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Links & Resources : Glossary of Terms

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    Glossary of Terms

    Privacy Statement

    Market Surveillance Administrator

    Utilities Consumer Advocate

    Alberta REAs

    Affiliate Links

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A

Account Number
A number created to be used for billing purposes for each site. Each number is unique and is associated with the bill payee.
Accounting Period
The month that data is process through the company's accounting system.
Actual Usage Cost ($/MWh)
Usage cost is calculated from Usage MWh divided by Usage Charge. This cost represents your average cost for energy consumed. This number is comparable to Pool Price, in that Pool Price represents a flat load profile cost.
Address
The mailing address of the payee.
Administration Charge
A monthly charge levied to recover a Wire Service Providers and/or retailers and/or billing agents costs for customer service, billing, communication and in some cases, other charges related to management of the energy supply portfolio such as risk, pool trading charges, etc.
ADOE
Alberta Department of Energy.
AE
ATCO Electric Limited.

B

Balancing Pool
The Balancing Pool plays a prominent role in managing the Power Purchase Arrangements of several major power plants. Primary roles:
  • To manage the financial accounts arising from the transition to a competitive generation market on behalf of electricity consumers, and
  • To meet any obligations and responsibilities associated with both sold and unsold Power Purchase Arrangements (PPAs).
 

C

Capacity

The maximum sustainable amount of electric energy that can be carried or delivered at any instant; measured in Watts. A term that can be applied to a transmission system or to a piece of equipment such as a generating unit, electric service or appliance.

Capacity Factor

For any equipment, the ratio of the average load during a defined time period to the rated capacity.

CEA

Canadian Electricity Association.

Code of Conduct Regulation

The Regulation governing the relationship between a Wire Owner and its affiliated retailer and the release and exchange of customer information. The Code seeks to ensure that: retailers and consumers have equal access to regulated services; that the Wire Owner protects the confidentiality of consumers information; that Retailers have equal access to information disclosed by Wire Owners; and that consumers are dealt with fairly.

Cogeneration

The simultaneous production of thermal (steam) and electric energy; the electric energy used for industrial plant use and/or sale and the heat for buildings and industrial processes.

Congestion

Congestion occurs when the transmission system cannot accommodate all transactions that would normally occur among consumer based on merit order dispatch due to physical or engineering limitations. The physical limitations are determined by the physical capacities of the transmission components. The engineering limitations are expressed through the application of accepted reliability operating criteria.

Consumer Utilities Advocate

Alberta's Office of the Utilities Consumer Advocate established to help monitor and protect the interests of Alberta 's residential, farm and small business consumers of electricity and natural gas as we all adjust to the changes arising from Alberta 's restructured energy marketplace. The primary goals of the UCA are:

  • To help consumers help themselves;
  • To inform and empower them in Alberta 's restructured energy markets; and
  • To facilitate their representation at regulatory hearings and other proceedings.
  • Consumption

    The consumption has four components: 1. LSA consumption (metered, profiled and estimated consumption) 2. Loss consumption 3. WSP consumption (adjustments to match WSI) 4. UFE consumption Charges are calculated for each component for a site using the hourly pool price. This process is repeated for each hour in the billing month for a site. The RISS charges are compared to the Pool statement. Any differences are allocated back to the sites based on consumption. Charges for GST, Spot Trading, Uplift and Rebate are allocated back to the sites based on consumption.

    Consumption (kWh) Status

    Describes the type of Meter Reading.

    Contact Name

    An individual's name that may be contacted regarding the account.

    Contract Adjustment

    A contract adjustment is the net amount of the Energy Contract and of the sale back of any unused energy from the Energy Contract at the hourly pool price.

    Contract Unit of Measure (UOM)

    Contract unit of measure, could be: DOLR - Dollar, KW - Kilowatt, KWH - Kilowatt hour.

    Conventional Generation

    Electricity that is produced at a generating station where the prime movers are driven by gases or steam produced by burning fossil fuels.

    CSE

    Cumulative Switch Estimate.

    Current

    The flow of electricity in a conductor. Current is measured in amperes.

    Current Balance

    The cost for supplying the capacity (demand) and electrical energy(consumption) for the billing period.

    Current Demand

    Metered demand for current billing period.

    Current Meter Dial Reading

    The current dial reading taken from the meter.

    Current Reading Datetime

    Date and time of the current reading. The standard Date format has been defined as: YYYYMMDDHHMMSS.

    Customer Choice

    The ability of a consumer to choose a retailer and switch from one retailer to another.

    Crowsnest Pass - 1060

    ENMAX - 1020

    D

    Daily Consumption Meter (DCM)

    Daily cumulative meter consumption to Retailers and Settlement.

    Daily Interval Meter Readings (DIM)

    Daily Interval Meter Readings to Retailers and Settlement.

    Daily Load Chart

    Load is a general term referring to size and represents average consumption rate (units are MW). Daily average load is calculated by total daily consumption divided by 24 hour period. The Daily Load chart shows what your consumption trend has been over the past couple of months. The peak/min trend lines mark out the band of variability of the load on a daily basis.

    Daily Load Factor Chart

    Load factor is the ratio of average load divided by max load. Load factor represents how consistently close to full load equipment is being operated at. A load factor that falls under 75% mean a large site has dropped in load that day.

    Daylight Savings Time

    Times refer to times on the prevailing clock, standard or daylight time depending on the season. Clock adjustments for daylight savings follow the standard used by the Pool. Specifically, at the time of the springtime change, the hour ending 2AM does not exist. Hour ending 3AM follows hour ending 1AM. At the time of the fall time change, hour ending 2AM occurs twice, with the second denoted by an asterisk (*). For transactions using this convention, an "Hour Ending" field will exist that contains an asterisk following the hour 02 value (i.e. 02*).

    DC

    Direct Connect.

    DCM

    Daily Cumulative Meter (DCM) load represent smaller sites that have cumulative meters (less than 500 KW).  Cumulative meters do not have time of use measurement.  Hourly profile is calculated during the load settlement process. See Benchmark Report for profile classes.

    DCM

    Daily Cumulative Meter read.

    DEC

    De-Energize Completion.

    De-energized Site

    A connected site that is not currently consuming power.

    DEF

    De-Energize Failure.

    Demand

    The rate of consumption over time to reach maximum load.

    Delta Usage (kwh)

    Budget usage - Actual usage ("0" if no budget value provided).

    Demand (kVA) Status

    Describes the type of Meter Reading.

    Demand (kVAh) Status

    Describes the type of Meter Reading.

    Demand (kVAR)Status

    Describes the type of Meter Reading.

    Demand (kVARh) Status

    Describes the type of Meter Reading.

    Demand (kW) Status

    Describes the type of Meter Reading.

    Demand Charge

    The component of a two-part price for electricity that is based on a customer's highest power demand reached in a specified period, usually a month, regardless of the quantity of energy used e.g., $2.00 per kilowatt per month). The other component of the two-part price is the energy charge.

    Demand Sales

    A producer agrees to make generating capacity available to a buyer when it is called upon or 'demanded'.

    DER

    De-Energize Request.

    DFO

    Distribution Facility Owner.

    DG

    Distribution Connected Generator, means a generating unit that is interconnected with an electric distribution system.

    Difference

    A differencing settlement system is one that calculates settlement only for those customers who choose a new supplier.

    DIM

    Daily Interval Meter Readings sent every 15 minutes to Retailers and Settlement.

    Direct Current

    (DC) Current that flows continuously in the same direction (as opposed to alternating current). The current supplied from a battery is direct current.

    Distribution (Electric Distribution System)

    The plant, works equipment, systems and services necessary to distribute electric energy in a service area at a voltage of 25,000 volts or less.

    Dispatch

    A direction from the AESO to a pool participant to cause, permit or alter the exchange of electric energy or ancillary services.

    Distribution Access Service

    The service required to transport electric energy by means of an electric distribution system to customers or from distributed generation to the interconnected electric system.

    Distributed Generation

    A generating unit that is interconnected with an electric energy distribution system.

    DRA

    Deposit Reserve Account (also referred to as a Deposit Account or Deposit Reserve) Funds generally used for capital system upgrades and improvements.

    DSN

    De-Select Notification.

    DSO

    Distribution System Operator. A contractor authorized by the wire owner of an electric distribution system to perform certain operating and maintenance functions on behalf of the Wires Owner.

    DSR

    De-Select Request. This is a transaction that is sent by the retailer to the LSA to notify of a site that is going to be de-enrolled.

    DT

    Distribution Tariff. The rates and the terms and conditions that a distribution facility owner charges for providing service to its customers.

    E

    EBT

    Electronic Business Transaction.

    EEMA

    Electric Energy Marketing Agency (Alberta).

    Electric Energy

    Measured in Watt and commonly expressed in:

    • KiloWatt-hours
    • MegaWatt -hours
    • GigaWatt -hours
    ENC

    Energize Notification Completion.

    End Read Date Time

    The end date and time for the reading. The standard format has been defined as: YYYYMMDDHHMISS.

    Energized Site

    A connected site that is currently consuming power.

    Energy Breakdown Chart

    The Energy Breakdown chart segregates the settled energy into the base components. Usage represents that energy consumed (metered). Loss and UFE are non-consumption (settled) components. The percentage of Loss and UFE relative to total energy depends on the make-up of your load. TA and Direct connect sites are not allocated  Loss or UFE. Large industrial loads are allocated approximately 1% Loss and small oil field loads are allocated approximately 6-7% Loss.  The average Loss for FORTIS and ATCO is about 3.8%. UFE is allocated equally to all load types at the hourly Zone UFE percent. Zone UFE varies between -2% and +2%, depending on Zone. Refer to Benchmark Reports for Loss and UFE statistics.

    Energy Charge

    Cost of consumption of actual energy used.

    Energy Charge Adjustment

    Adjustment to RISS energy charge to balance to the Power Pool statement. Differences are allocated based on relative consumption.

    Energy Contract

    The contract negotiated between the retailer and customer which includes the type of hedge being purchased, block size (MWh) and what what cost. There are two types of Energy Contracts: map and third party. An Energy Contract is a pre-purchased load at a fixed price bought either directly from the Pool or from a third party.Map contracts are managed by the Power Pool. Any contracts not managed by the Power Pool are referred to as Third Party Contracts. Third party contract charges do not appear on the Power Pool invoice.

    ENF

    Energize Notification Failure. This is a transaction sent from the wire owner to the retailer notifying them that the site could not be energized for a particular reason.

    ENR

    Energize Notification Request. This is a transaction send from the retailer to the wire owner request a site be energized.

    EPSS

    Electrical Power Supervision System.

    Estimate (kwh)

    Where gaps exist, or where DCMs do not cover the entire billing period, an estimation is done to calculate the hourly consumption. The RISS estimate is compared to the LSAs WSI hourly consumption and differences are allocated to sites based on their consumption. In general DIM hourly settlements are not adjusted, only DCM and estimated settlements are adjusted. This process is undertaken for each hour. Losses are allocated to sites based on their hourly consumption. Direct connect sites are not allocated losses. Once the estimation of consumption is complete it will match the LSAs WSI transaction.

    Estimation Methodology

    Reference code to estimation methodology used by the LSA to create consumption estimates for this site.  U - Usage Factor  A - Average Daily Usage.

    EUA

    Electric Utilities Act, governing the electricity industry in Alberta.

    EUB

    Alberta Energy and Utilities Board - a regulatory body with the responsibility to oversee the economic, orderly and efficient development and operation, in the public interest, of hydro energy and the generation and transmission of electric energy in Alberta.

    Exception

    When an error requiring special attention has occurred. To raise an exception means the act of detection of the problem and flagging the problem for remediation whether by automated or human means.

    F

    FERC

    The Federal Energy Regulatory Commission, the federal energy regulatory agency in the United States.

    Final Adjustment Charge

    Final adjustment charge is the cost difference between Interim and Final settlement. Final settlement occurs 7 months after the month of consumption.

    Force Majeure

    A suspension of the energy market by the system controller pursuant to the rules of the Power Pool, as amended, restated or replaced from time to time.

    Final Settlement Run

    The Final Settlement Run is seven months after the initial.

    Forward Contract

    A Forward Contract is the portion of the monthly consumption that is based on a prepurchased fixed price.

    Forward Contract Charge

    Allocated Forward Contract charges for energy.

    G

    Generating Unit

    The component of a power plant that produces, from any source, electric energy and ancillary services, and includes facilities that are necessary for the safe, reliable and economic operation of the generating unit.

    Generation (MWh)

    The process by which thermal, mechanical, chemical or nuclear energy is converted into electrical energy, using an energy source, which may include natural gas, coal, nuclear fuel, wind, water (hydroelectric), biomass (waste products), solar heat, or any other means of converting basic energy contained in an energy source to electric energy.

    Generator

    The producer of electric energy.

    Giga

    One billion.

    GigaJoule (GJ)

    One billion Joules or a thousand Mega Joules.

    GigaJoule (GJ)

    One billion Joules or a thousand Mega Joules.

    GigaWatt

    A measure of capacity equal to one million kilowatts or one billion Watts.

    GigaWatt - hours

    Equivalent to 1 million Kilowatts or one billion Watts supplied, produced or used for one hour.

    global

    A global settlement system is one that handles all Customers (site Ids) the same way, regardless of whether they switch from the default or regulated rate provider.

    GRA

    General Rate Application. An application made by an investor owned utility to the EUB in seeking to change its electricity rates. Sometimes called GTA or General Tariff Application.

    GRID

    A network of electric energy transmission lines and connections.

    GXP

    Grid Exit Point. This method is also referred to as the system residual profile, or the net system load shape (NSLS). The shape of the total load at the point of distribution, minus the (possibly loss-adjusted) total of interval-metered loads, is taken as the load profile for all Customers within the point of delivery (POD). The method can also be applied at the distribution system or load isolation zone level rather than at individual distribution points.

    GST

    Federal Goods and Services Tax.

    H

    Heat Rate

    A measure of electric energy system efficiency; the amount of natural gas required to generate one MegaWatt-hour of electric energy.

    Hedging

    The practice of speculating on the price for a future commodity to avoid exposure to the risk of unacceptably large variations in real time price movements. There is usually a price to be paid for purchasing a future commodity at a negotiated / market price; the price charged for the commodity commonly includes an extra charge to protect the seller against the risk of losing money through selling a commodity that he may have to purchase in the future at a price that is possibly higher than the price at which he contracts to provide it for.

    Hertz (Hz)

    The unit of frequency for alternating current. Formerly called cycles per second. The standard frequency for power supply in North America is 60 Hz.

    Hierarchical Tree

    All Report windows display a hierarchical tree on the left. The tree is dynamically built based on your companys data. The tree can be expanded and collapsed by clicking on the plus or minus signs. The hierarchical tree is where you choose what data or nodes you want to include in the report. You choose a node by clicking in the box beside it. Selection of a higher-level node will select all the nodes underneath it.

    Horse Power

    Unit of power equal to 746 Watts.

    Hour ending (HE)

    Hour Ending or "HE" means the 60 minute period ending that hour. For example, HE 24 includes the time between 23:00 and 24:00.

    I

    Initial Daily Settlement

    Initial daily settlement is a calculation of load settlement conducted within a short time after the day of flow, such as one to two days. Initial daily settlement, by virtue of its timing, does not use consumption information from cumulative (monthly, bimonthly, or longer) meter readings, nor does it use interval data retrieved on a monthly basis.

    Initial Monthly Settlement

    Initial monthly settlement is a calculation of load settlement for the preceding month.

    Interconnected Electric System

    All electric energy transmission facilities and all distribution systems in Alberta (or any other jurisdiction or combination of jurisdictions) that are interconnected.

    Interim Adjustment Charge

    Interim adjustment charge is the cost difference between Interim and Initial settlement. Interim settlement occurs 3 months after the month of consumption.

    Interim Settlement Run

    The Interim Settlement Run is three months after the Initial Settlement Run. Interval Period. The number of minutes between readings. DIM Report = 15 minutes. WSI Report = 60 minutes.

    Interval End Time

    Date and end time of the interval the settlement data is for. The standard Date format has been defined as: YYYYMMDDHHMISS.

    Interval (Time-of-Use) Meter

    A meter that measures at intervals of 60 minutes or less the amount of electric energy consumed by a customer and satisfies the standards for revenue collection under the Electricity and Gas Inspection Act (Canada) and the Weights and Measures Act (Canada).

    Investor Owned Utility (IOU)

    A utility whose stock is usually publicly trade and which is organized as tax-paying business and financed by the sale of securities in the capital market. It is regulated and achieves allowed rate of return.

    Interval Period

    The number of minutes between readings. DIM Report = 15 minutes. WSI Report = 60 minutes.

    IPCCAA

    IIndustrial Power Consumers Association of Alberta is an organization of large industrial customers whose mission is to take a leadership role in ensuring that a competitive marketplace exists for electrical services. It comprises companies from such key industries as oil and gas, forest products, petrochemicals and steel.

    IPP

    Independent Power Producer. A privately owned power generating facility which may be connected to a utility system to supply electricity for domestic or export markets.

    IPPSA

    The Independent Power Producers' Society of Alberta - representing competitive power producers, wholesale and retail marketers, suppliers, engineering firms, consultants and contractors.

    ISO

    Independent System Operator.

    J

    Joule

    Unit of work or energy equal to the work done by a force of one Newton acting through a distance of one meter.

    K

    kV

    abbreviation for kilovolt and equal to 1000 volts.

    kVa

    Abbreviation for kilovolt-ampere, unit of electrical power (Demand for the interval period) equal to 1000 volt-amperes.

    kVah

    kilovolt-ampere hour (Consumption) for the interval period.

    kVAr

    abbreviation for kilovar. A unit of ac reactive power equal to 1000 vars.

    kVarh

    kilovolt-ampere Reactive hour (Consumption) for the interval period.

    kW

    abbreviation for kilowatt. A unit of power equal to 1000 watts. One thousand Watt s flow of electric energy is required to light 10 100-watt light bulbs or equivalent to 1.34 horse power.

    kWh

    abbreviation for Kilowatt-hour. This is the normal quantity used for metering and billing electricity customers. The price for a kwh varies from approximately 5 cents to 15 cents. At 100% conversion efficiency, one kWh is equivalent to about 4 fluid ounces of gasoline, 3 cubic feet natural gas, or 1/4 pound coal. An average household will use between 800 - 1300 kWh per month depending upon geographical area.

    L

    Last Meter Dial Reading

    The previous dial reading taken from the meter.

    Last Reading Datetime

    Date and time of last reading.  The standard Datetime format has been defined as: YYYYMMDDHHMISS.

    LDCs

    Local Distribution Companies.

    Line Loss & Ufe ($)

    The line loss and UFE monthly charge is the sum of the energy at the hourly power pool price.

    Line Loss & Ufe (kwh)

    Line Loss is a settlement amount of energy allocated to sites at a fixed rate.  Loss factors differ between load types (called loss groups). Unaccounted for Energy (UFE) is a settlement amount allocated to sites and represents energy not accounted for by meters and losses.  UFE is calculated hourly by the LSA for each Zone and the amount is distributed evenly to all sites for that hour (except for TA and direct connect sites).

    LL

    Load Limiter - a device that allows for a limited amount of electricity to flow to a residential customer.

    Load Profile

    A load profile is a series of load or consumption amounts for each interval over a particular time period. The intervals are one hour, so that the profile may be considered either as average load (kW) or total consumption (kWh) for each interval. The profile may be expressed either as the average per Customer or as the total load for each interval.

    Load Profile Shape

    A load profile shape is a normalized load profile. Specifically, the energy consumption in each interval (hour) is expressed as a fraction of the total energy consumption for the time span of the profile.

    Load Research Shape

    A Yes (Y) or No (N) flag noting a customer in the load research sample.

    Load Shedding

    Removal of pre-selected customer demand from a power system, as a result of the occurrence of an abnormal condition, in an effort to maintain the integrity of the system and minimize overall customer outages.

    Load Settlement

    Calculation by LSA of the consumption at each unit of the settlement interval (hourly) for each retailer operating within each settlement zone.

    Load Settlement Access

    Load Settlement Access is the fee charged by an LSA per a site for determining its load settlement.

    Load Settlement Agent (LSA)

    The party conducting load settlement calculations for a particular zone. The LSAs currently operating within Alberta are ATCO; ENMAX; EPCOR; FORTIS; Lethbridge; Crowsnest Pass; Red Deer; Ponoka; Fort MacLeod; Cardston.

    Local Access Fee

    The Franchise Fee paid by utilities to local governments in lieu of access to municipal right-of-way and property taxes on linear property.

    Loss

    Loss is the electrical energy used to move electricity over the distribution system to the Customer. The loss percentage varies by profile class and by wire service provider (WSP). Typically it is 2.5% - 6.5%.

    Loss Group Code

    The site's Loss Group code assigned by the Wire Service Provider. Loss Group codes have specific loss calculations.

    Loss kWh

    Settled loss allocation for the site for the day.

    LSA

    Load Settlement Agent - The party conducting load settlement calculations for a particular zone. The LSA's currently operating within Alberta are ATCO; ENMAX; EPCOR; AQUILA; Lethbridge; Crowsnet Pass; Red Deer; Ponoka; Fort MacLeod; Cardston.

    M

    MAAT

    Month-at-a-time Settlement.

    MAP

    Market Achievement Plan provides the opportunity for Alberta consumers, retailers and marketers to buy electricity contracts associated with the unsold Power Purchase Agreements (PPAs) that are held by the Balancing Pool.

    Market Liquidity

    A situation in which there are sufficient numbers of credit-worthy buyers and sellers and therefore sufficient trading volumes to permit discovery of a credible price in the market for a given time period.

    Market Participants

    Means any person that supplies, generates, transmits, distributes, trades, exchanges, purchases or sells electricity and/or associated services.

    Market Signal

    Price movements that may cause a market participant to respond by taking some action.

    Mass Retail Market

    The residential and small commercial retail market, comprising consumers with annual consumption at a single site of less than 250 MWh.

    Max kVA

    Demand in Kilovolt Amps for period.

    Max kW

    Kilowatt demand for period. Report column heading: MAX_KW.

    Max Reading (Voltamp)

    Used to derive the demand in kVA. Example: If max reading = 100 and the multiplier = 200, kVA = (100 x 200)/1000. kVA = 20.

    Max Reading (Watt)

    Used to derive the demand in kW. Example: If max reading = 100 and the multiplier = 200, kW = (100 x 200)/1000.kW = 20.

    MCN

    Meter Change Notification (exclusive to ATCO).

    MDM

    MDM is the entity responsible for collecting meter data, correcting and validating interval meter data, storing historic data and reporting load and consumption data and times to appropriate parties.

    MDM ID

    A 4-digit number uniquely representing each Meter Data Management Company operating within Alberta. MDM IDs are prefixed with a "2". Report column heading: MDM_ID. Sender (the MDM responsible to read the meter).

    MDM ID 2010

    ATCO

    MDM ID 2020

    ENMAX

    MDM ID 2030

    EPCOR

    MDM ID 2040

    FORTIS

    MDM ID 2050

    Lethbridge

    MDM ID 2060

    Crowsnest Pass

    MDM ID 2070

    Red Deer

    MDM ID 2080

    Ponoka

    MDM ID 2090

    Fort MacLeod

    MDM ID 2100

    Cardston

    MDM ID 2110

    SouthAlta REA

    MDM ID 2120

    Rocky REA

    MDM ID 2121

    Horseguard REA

    MDM ID 2130

    Central REA

    MDM ID 2140

    Battle River REA

    MDM ID 2150

    Barrhead REA

    MDM ID 2151

    Duffield REA

    MDM ID 2153

    Wild Rose REA

    MDM ID 2154

    Yellowhead REA

    MDM ID 2155

    North Parkland Power REA

    MDM ID 2156

    Sion REA

    MDM ID 2160

    Manning REA

    MDM ID 2165

    Lakeland REA

    MDM ID 2170

    MIDAS

    MDM ID 2180

    TransAlta

    MDM ID 2190

    Trackflow

    MDM ID 2195

    AltaLink

    MEA

    Municipal Electric Association.

    Measurement Data

    Measurement data is data that has been collected from meters,compensated & aggregated appropriately, and subjected to the required checks.

    Measurement Point Data

    The data associated with a metered measurement point.

    Measurement Point Definition Record

    The physical profile / design of the metering site. Also, the Transmission Administrator specification that defines the physical Record arrangement of the metering systems, as well as any algorithms used to manipulate the metering data to produce the measurement data associated with the measurement point to which the specification applies.

    Mega

    One million.

    MegaWatt - hours

    Equivalent to 1 million Watt or 1,000 Kilowatts supplied, produced or used for one hour.

    Merit Order

    A list of the supply offers and demand bids for each hour of the day, compiled by AESO schedulers.

    Meter

    The apparatus that measures active energy or reactive energy or both, including an internal recorder, or clock, which is normally tested as part of the apparatus.

    Meter Data Manager (MDM)

    MDM is the entity responsible for collecting meter data, correcting and validating interval meter data, storing historic data and reporting load and consumption data and times to appropriate parties.

    Metering

    Measuring of the amount of electric energy consumed by a customer.

    Meter Multiplier

    The formula that compensates for the physical attributes of the site, or the wires characteristics that affect the meter. Ex: if the site meter rolls over 2x/month, the rollover is 2.

    Meter Number

    The unique number representing a meter.

    Meter Reading Type

    Describes the type of meter reading: ME = Actual from meter; CA = Calculated; VE = Result from a VEE process (Verification, Edit,
    Estimation); ES = Estimate.

    Metering Data

    The data associated with a metering Point.

    Metering Point

    The physical site or address of a meter.

    Metering system

    The devices required for metering a site, including meter, CT/PT and communications.

    Min Load

    Minimum load is the minimum hourly consumption in a day.

    Minimum Demand

    Contracted minimum demand for the site(s).

    Miscellaneous Charge

    Miscellaneous charges include all other distribution charges that appear on the REA's invoice to its customers such as association dues, billing fees, deposit reserves, idle charges, and operating and maintenance fees.

    Monthly Billing Summary Report

    Monthly billing summary of site level detail, based on a given accounting period.

    MSA

    The Market Surveillance Administrator is a statutory corporation established by the Electric Utilities Act, appointed by the Minister of Energy and accountable to the Chair of the Energy and Utilities Board, whose mandate is to carry out surveillance and investigation regarding all aspects of Alberta's electricity markets to ensure that the market is functioning in a fair, efficient and openly competitive manner, to investigate, discourage and to recommend penalties in cases of market abuse.

    MSP

    Meter Service Provider, the entity that provides services to the meters.

    MVA

    Mega volt amp, or 1000 kVA.

    MW

    Megawatt is a unit of electrical power equal to one million watts or one thousand kilowatts.

    MWh

    Megawatt-hour is one million watt-hours of electric energy. A unit of electrical energy which equals one megawatt of power used for one hour.

    N

    NEB

    National Energy Board, the federal energy regulatory agency in Canada.

    NERC

    National Electricity Regional Council.

    Net Exports

    Total exports minus total imports.

    Net System Load Shape (NSLS)

    This method is also referred to as the system residual profile, or the grid exit point (GXP) residual. The shape of the total load at the point of distribution, minus the (possibly loss-adjusted) total of interval-metered loads, is taken as the load profile for all Customers within the point of delivery (POD). The method can also be applied at the distribution system or load isolation zone level rather than at individual distribution points.

    Non-Usage Energy Charge

    Non-Usage energy charges include Loss, UFE & spot trading charges.

    Notice Period

    The period of time before a consumer can switch to another retailer after giving notice to his current retailer.

    NRC

    National Research Council.

    Nuclear Power

    Power generated at a station where the steam to drive the turbines is produced by an atomic process, rather than by burning a combustible fuel such as coal, oil or gas.

    O

    Off Peak

    The period during a day, week, month or year when the load being delivered by a natural gas or electric system is not at or near the maximum volume delivered by that system for a similar period of time. (night vs. day).

    Ohm

    A unit of electrical resistance. A circuit resistance of one ohm will pass a current of one ampere with a potential difference of one.

    On Peak

    Electricity supplied during a period of high system demands as specified by the supplier.

    Other Charges

    Other Charges includes late payment penalties, meter read fees, NSF charges, rental deposits, balance transfers, bad debt write offs, reconnection fees, yardlight rental fees, and refunds.  The Other Charges' amount will not match the actual cost on the report as these are by billing month and have not been prorated to the production period.

    Overload

    The operation of electrical equipment above its normal full-load rating.

    Overall Cost

    Overall cost is calculated from total charge for the month divided by consumption. This number represents the average price paid for delivered energy after netting out generation.

    P

    PA

    Point of Distribution Interchange.

    PBR

    Performance Based Rates - a concept of providing incentives to improve productivity while sharing the gains between customers and shareholders.

    PDI

    Point-of-Distribution-Interchange. A conceptual point of interchange between distribution systems areas.

    PDS

    Point-of-Distribution-Supply. A conceptual point of supply onto a distribution system. A PDS is the point at which energy is deemed to be supplied on the distribution system. This is the interconnection point between a distributed generator and a distribution system.

    Peak Demand

    The maximum load during a specified period of time.

    Peak Load

    Peak load is the maximum hourly consumption in a day (i.e. the maximum load consumed or produced by a unit or group of units in a stated period of time).

    Percent(%) of Total Load

    Percent (%) of Total Load is the fraction of the total corporate monthly consumption.

    PFAM

    The Post-Final Settlement Adjustment mechanism (PFAM) is a process for correcting errors in settlement results after the financially-binding Final settlement.

    PFAM Indicator

    The PFAM indicator will show a -1 if the RISS number is higher than the WSD number, it will show 0 if the RISS number is equal to the WSD number and will show +1 if the RISS number is lower than the WSD number.

    PFEC

    The Pre-Final Error Correction (PFEC) is a process for correcting errors in settlement results before the Final settlement is run.

    PICA

    Public Institutional Consumers of Alberta.

    PILOT

    Payment In Lieu of Income Tax - Payments by municipally-owned or other tax-exempt entities which are exempt from federal and provincial income taxes with the objective of creating a level playing field with investor-owned competitors.

    POD

    Point-of-Delivery. A conceptual point of delivery from the Transmission System. A POD is the point at which energy is deemed to be delivered from the transmission system to the distribution system. A POD is a collection of one or more Administrator's measurement point definition records.

    POE

    Point-of-Exchange. A conceptual point of exchange with non-AIES control areas at transmission voltages. A POE is a collection of PODs and POSs aggregated according to a fixed formula to create a real or virtual point of energy delivery or receipt from outside the transmission system. Refers to BC and Saskatchewan tie lines which supply imports and exports to or from Alberta.

    POI

    Point-of-Interconnection. See Point-of-Exchange (POE).

    POS

    Point-of-Supply. The point at which energy is deemed to be supplied to the transmission system.

    Pool

    The Power Pool of Alberta (PPoA).

    Pool Charge

    Allocated power pool spot trading charge and uplift. (uplift for 2001 only)

    Pool Price

    The price for electric energy during a hour, established and reported by the AESO in accordance with the AESO rules, for electric energy exchanged through the Power Pool.

    Pool Rebate

    Allocated Power Pool Rebate (2001 only)

    Pool Settlement Date & Payment

    All financial settlements of the Final Pool Statements occur on the 20th business day following the end of each production period, unless the due date has changed due to prior late payments. Pool participants must arrange for payment of amounts owing, as stated on the Final Pool Statement, to be electronically transferred into the appropriate AESO bank account. All amounts owed to pool participants by the AESO will be transferred on this date as well.

    Postage Stamp Transmission Tolls

    Transmission rates are averaged so that consumers pay the same transmission rate regardless of their location or distance from generation facilities.

    Power

    The rate at which work is performed or that energy is transferred. Electric power is commonly measured in watts or kilowatts. A power of 746 watts is equivalent to 1 horsepower.

    Power Factor

    The ratio of real power to apparent power delivered in an ac electrical system or load. Its value is always in the range of 0.0 to 1.0 or 0% to 100%. Note: (1.0) indicates that the current is in phase with the voltage and that reactive power is zero.

    Power Marketer

    A company engaged in buying and selling electric energy.

    Power Pool

    Operated by the AESO, it is a market providing the exchange of energy and financial settlement for the exchange of electric energy.

    Power Pool ID

    The Power Pool ID is 3000.

    Power Purchase Agreement Auction

    Auction of Power Purchase Agreements and of derivative contracts associated with Power Purchases Agreements, managed by the Balancing Pool.

    PPA

    Power Purchase Agreement. A legal agreement as described in Regulation for the purposes of selling electric energy from generating plants built prior to 1996 to a buyer of the electric energy and must include a determination of the manner in which excess electric energy produced by the generating unit is to be exchanged by the purchaser of the PPA through the Power Pool for the benefit of the owner of the generating unit.

    Preliminary Pool Statement

    Available on the AESO's Web site on the 5th business day after the end of each production period. Log onto the AESO Web site using a digital certificate to retrieve the Preliminary Pool Statement. A preliminary statement is provided so that pool participants have an opportunity to review the information and contact the AESO if there is a discrepancy prior to the Final Pool Statement being issued. This is not the statement that is paid.

    Price Cap

    A maximum price for electric energy or related services, set by a government or regulatory agency.

    Price Volatility

    The rate of change of price over time.

    Profile Cutoff Date

    Date and time specifying the last point at which data is included for profile generation.

    Profile Segmentation

    The method by which sites are divided into profiling classes.

    Profiling Cap

    Also known as threshold, the Profiling Cap is the size level above which a site is required to have interval-metering data.

    Profiling Class

    A group of sites that will be settled using a common load profile. The customer's load profiling class.

    Q

    Quad

    Quadrillion (10 to the 15th power).

    QF

    Qualifying Facility. A cogeneration or small power production facility that meets certain ownership, operating, and efficiency criteria established by the Federal Energy Regulatory Commission (FERC) pursuant to the Public Utility Regulatory Policies Act (PURPA).

    Quality or grade of coal

    An informal classification of coal relating to its suitability for use for a particular purpose. Refers to individual measurements such as heat value, fixed carbon, moisture, ash, sulfur, major, minor, and trace elements, coking properties, petrologic properties, and particular organic constituents. The individual quality elements may be aggregated in various ways to classify coal for such special purposes as metallurgical, gas, petrochemical, and blending usages.

    Quantity wires charge

    A fee for moving electricity over the transmission and/or distribution system that is based on the quantity of electricity that is transmitted.

    R

    RAM

    Retailers Adjustment to Market when a retailer has been over/under billed in a particular zone, they may send in a PFEC which  results in RAM charges being allocated to all other retailers in a particular zone.

    RDC

    Revoke De-Energize Confirmation. This transaction cancels the previously sent DEC.

    RDR

    Revoke De-Energize Request. This transaction cancels the previously sent DER.

    RDS

    Regulated Default Supply, formally the Regulated Rate Option (RRO) The rate offered by the distribution facility owner for customers/members who have not chosen a competitive retailer.

    REA

    Rural Electrification Association - a not-for-profit cooperative, incorporated or continued under the Rural Utilities Act, which owns an electric distribution system and supplies electric energy to members in a rural region of Alberta .

    Reactive Power

    The portion of electricity that establishes and sustains the electric and magnetic fields of alternating current equipment.

    Rebate Amount

    Government rebate amount. Applies to 2001 only.

    Record Status CA - Cancelled

    CA - Cancelled This code indicates that the receiver should cancel their version of this exact record. Sending this record eliminates confusion of the records purpose: especially when the replacement record may not cover the same period as this cancelled record.

    Reference number

    Reference number from EPSS.

    Regulated Default Supply

    The weighted monthly average price of actual weighted hourly average prices at which energy has been delivered at non-hedged prices during a given calendar month.

    Regulated Default Supply Regulation

    The regulation created under the Electric Utilities Act of 2003 that sets out the terms and conditions for regulated default supply of electric energy by a Wire Service Provider to a consumer who has not chosen a Retail Supplier.

    Regulated Default Supply Tariff Regulation

    The tariff for electric energy supply for consumers consuming less than 250,000 kWh of energy annually who come under the Regulated Default Supply Option under the EUB.

    Regulating reserve

    A type of ancillary service in which the seller's generating unit responds to electronic control signals from a remote master controller that cause the unit to rapidly raise or lower its electric energy output.

    Report Window

    Reports are displayed in a spreadsheet type format, on the right side of the Report Screen. You can customize the reports by sizing, sorting and rearranging columns. Size Columns by dragging the boundary of the column heading until the column is the width you want. Sort Columns by clicking in the column heading of the column you want sorted. Rearrange Columns by dragging the column head to the left or right.

    Reserve Generating Capacity

    The extra generating capacity required on any power system over and above the expected peak load. Such a reserve is required mainly for two reasons: (i) in case of an unexpected breakdown of generating equipment; (ii) in case the actual peak load is higher than forecast.

    Result Resource

    Daily site usage kWh was calculated using: \\"M\\" - DIM or DCM containing any hour of Settlement Data. \\"E\\" - LSA - generated consumption estimate.

    Retailer

    A retail supplier of electricity to an end-use site that supplies billing and settlement services.

    Retailer Adjustment to Market (RAM)

    RAM is the billing method by which money is collected from all affected parties to pay for RSA claims.

    Retailer Energy Grand Total (MWh)

    Total of the consumption, line loss and UFE for the Retailer in MWh for the Power Pool.

    Retailer Fee

    Flat fee per site charged by the power supplier.

    Retailer ID

    Recipient (Retailer currently associated to the Site).

    Retailer Loss Total (kWh)

    Total of the losses allocated to all of the Retailer's customers.

    Retailer of Record

    The single Retailer that the settlement system recognizes as serving a given site for a given day.

    Retailer Short Name

    Abbreviation of the retailer's name.

    Retailer Specific Adjustment (RSA)

    RSA charges are a payment to a party, in response to billing errors that occurred after Final (PFAM claims).

    Retailer UFE Total (kWh)

    Total of the UFE allocated to the Retailer's customers.

    Retailer Usage Total (kWh)

    Total of the consumption for all of the Retailer's customers.

    Rider

    Government approved charges.

    Rider Charge

    Rider Charges are cost recoveries of an LSA with a start and end dates that have been approved by the EUB.

    RISS

    Retailer Information Settlement System.

    ROC

    Request Off-Cycle Meter Read Completion.

    ROR

    Request Off-Cycle Meter Read.

    RRO

    Regulated Rate Option.

    RRR

    Regulation on Roles, Relationships and Responsibilities.

    RSA

    Retailer Specific Adjustment. - This transaction is to correct any PFAM disputes a retailer has made.

    RTO

    Regional Transmission Organization is chartered to facilitate the exchange of electric energy over large interconnected geographic areas; a concept developed and promoted by the U.S. Federal Energy Regulatory Commission.

    RUA

    Rural Utilities Act.

    RUC

    Request Update to Customer Infomation.

    S

    SC

    System Controller.

    Select Retailer Notification (SRN)

    The SRN notifies the Retailer of enrollment status. A code of 0000 indicates a successful enrollment.  For complete details on the SRN transaction codes, please see the System Settlement Code, available at http://www.aeso.ca/loadsettlement/settlementcode/371.html.

    Self-Generation

    Generation of electricity by a customer for their own use.

    Service Charge

    The current balance of fees payable to service provider.

    Settlement As At Date

    Date and time that all data used by this settlement run was in the settlement system. Supports reproducibility of settlement at a later time than the 'original' settlement run. This allows the same data to be used regardless of how many times a run is performed. The standard Date format has been defined as: YYYYMMDDHHMISS.

    Settlement ID

    A 4-digit number uniquely representing each Load Settlement Agent operating within Alberta. LSA IDs are prefixed with a "1".

    Settlement ID

    ATCO - 1010

    Settlement ID

    Cardston - 1100

    Settlement ID

    Crowsnest Pass - 1060

    Settlement ID

    EPCOR - 1030

    Settlement ID

    Fort MacLeod - 1090

    Settlement ID

    FORTIS - 1040

    Settlement ID

    Lethbridge - 1050

    Settlement ID

    Ponoka - 1080

    Settlement ID

    Red Deer - 1070

    Settlement Interval

    The settlement interval is the time increment at which distinct load estimates are calculated by load settlement systems and load amounts are settled financially by the Pool.

    Settlement Ready Data

    Data that is ready for use in settlement. Data shall be validated, estimated and edited as outlined in the standards, and aggregated or totalized to measurement point data as per the Measurement Point Definition records.

    Settlement Run Date

    Date and time settlement was initiated. This date does not indicate which date was used by the settlement run. The standard Date format has been defined as: YYYYMMDDHHMISS.

    Settlement System

    A settlement system is a computer system and associated operations and interfaces used to determine the load responsibility at each unit of the settlement interval, for each retail supplier operating within the settlement zone.

    Settlement Timing

    Settlement timing is the frequency at which load settlement is calculated and reported to the Pool and to retailers.

    Settlement Type

    The settlement type is the time interval at which distinct load estimates are calculated by load settlement systems and load amounts are settled financially by the Pool: I - Initial Daily Settlement; M - Initial Monthly Settlement; R - Reconciliation Settlement; F - Final Settlement.

    Settlement Zone

    The settlement zone is the collection of sites that are jointly settled by a settlement system and over which UFE is calculated and allocated. For example Alberta has 10 different zones.

    Short Term Trade

    Electricity trade of varying duration that involves only surplus electricity from existing generating and transmission facilities.

    Site

    A unique end-use service delivery point. This is the finest level at which settlement recognizes Retailer assignments, and receives consumption data.

    SIR

    Site ID Result.

    Site ID

    A Site ID possesses the following characteristics: 1. A Site ID can be enrolled by a Retailer; 2. Consumption is allocated at the Site ID; 3. Settlement occurs at the level of Site ID.

    Site Type Chart

    The Site Type Chart differentiates total load into size components. TA sites represent the very large sites connected to the transmission system. TA sites are on interval meters and are not charged for Loss or UFE. DIM load profile represents larger sites (over 500 KW) that have interval meters. DIM sites have lower loss factors and the hourly profile is determined by physical consumption. A large DIM load profile means there are few large sites making up most of your load, hourly profile is controllable and Loss is less significant. A large DCM load profile means you have many small sites, profile is fixed and Loss is more significant.

    Slamming

    A term used in the industry to indicate that another Retailer has taken the site without the knowledge of the original Retailer.

    SMC

    Site Metering Characterics.

    Socket

    A socket is a point at which a physical meter is installed. Settlement identifies sockets by the Socket ID. In many cases the Socket ID and the Site ID refer to the same point. However, there are some physical constructs that exist in Alberta where there is more than one Socket ID representing a Site ID.

    Socket ID

    A Socket ID is a point at which a physical meter is installed. In many cases the Socket ID and the Site ID refer to the same point. However, there are some physical constructs that exist in Alberta where there is more than one Socket ID representing a Site ID.

    SOLR

    Supplier of Last Resort.

    Source File Key_SRN

    The name of the file containing the SRN transaction.

    SPI

    Settlement Profile Information.

    Spinning Reserve

    A type of ancillary service in which unused capacity of a generating unit, when synchronized to the interconnected electrical system, is held in standby and in readiness to deliver electric energy upon receipt of instructions from the system controller.

    Spot Trading Charge

    A charge per MWh on energy bought and sold through the Power Pool at real time.

    SRN

    Select Retailer Notification. This is a transaction sent from the LSA to the retailer to notify the enrollment results.

    SRO

    Notify Old Retailer. This is a transaction send from the LSA to the old retailer notifying them they had lost the site to another retailer.

    SRW

    Settlement (LSA) Notify Wires and MDM. Notify the wires and MDM of a retailer switch.

    SRR

    Select Retailer Request. This is the transaction that a retailer sends to request a retailer switch from the LSA.

    SSI

    Settlement Summary Information.

    SSR

    Search Site ID Request.

    STC

    Spot Trading Charge.

    Statement Charge

    Consists of any number of charges that were not charged at the site level. For example: forward contract, map differences, miscellaneous charges such as digital certificates, etc.

    Stranded costs/investment

    Utility assets that would lose value in a competitive market.

    Supplemental Reserve

    A type of ancillary service in which unused capacity of a generating unit, which at the time may or may not be synchronized to the interconnected electrical system, is held on standby and in readiness to deliver electric energy upon receipt of instructions from the system controller.

    Surcharge Amount

    Includes uplift , spot trading charge and agency fees.

    Switch Date

    Date and time the site is enrolled with the Retailer.

    Switch Off Date

    RISS field used to capture when a Notify Old Retailer (SRO) transaction is received for the Retailer for a Site ID.

    System Access

    The charge based on Transmission (kwh) for the customer to have system access service from the ISO.

    System Access Flat

    The flat rate charge based on demand for the customer to have system access service from the ISO.

    System Interval Meters

    All interval meters that are defined by the Transmission Administrator to be part of the transmission system, and are used in determining the energy flows of the transmission system.

    System Level

    Hourly values for the distribution interchange, distributed generation, and border customer consumption that are needed to describe the total hourly energy flow on the AIES at the transmission level and the inputs and outputs to each and every distribution settlement zone for each hour.

    System Residual Profile

    Includes uplift , spot trading charge and agency fees. Report column heading: SURCHARGE_AMT. EPSS x-ref: at the point of distribution, minus the (possibly loss-adjusted) total of interval-metered loads, is taken as the load profile for all customers within the point of delivery (POD). The method can also be applied at the distribution system or load isolation zone level rather than at individual distribution points.

    T

    T&D

    Transmission and distribution administration and coordination of the transmission system for Alberta.

    TA

    Transmission Administrator. The entity designated by the Electrical Utilities Act (Alberta) and charged with the operation of the Alberta Interconnected Energy System. The Transmission Administrator ID is 4000.

    TA Site

    Transmission Administrator connected sites are very large sites connected directly to the transmission system.

    TAA

    Transmission Administrator Adjustment (TAA).

    Tariff

    A published volume of rate schedules and general terms and conditions under which a product or service will be supplied.

    Transformer

    An electromagnetic device for changing the voltage of alternating electricity.

    Transmission

    The process of transporting electric energy in bulk on high voltage lines from the generating facility to the local distribution company for delivery to retail customers.

    TFO

    Transmission Facility Owner - a term used by the AEUB to describe an electric transmission system wire owner.

    TFO Tariff

    Transmission Facility Owner Tariff - means charges related to the provision of transmission access service to retailers, regulated rate providers and direct connect consumers and recovered from the AESO.

    Total Charges

    Total charge for the month including all Pool charges (usage, settlement adjustments, RSA and RAM amounts and generation) and wire charges.

    Total Delivery Charge

    Charges associated with the delivery of energy to the meter. Delivery charges are invoiced by Wire Owners, not the Power Pool.

    Total Distribution Charges ($)

    The sum of Load Settlement Access, Rider and Miscellaneous charges.

    Total Energy (kWh)

    Total Energy is the sum of Usage, Line Loss and UFE.

    Total Energy Charges ($)

    Total Energy Charges is the sum of Total Gross Energy and the Contract Adjustment.

    Total Generation Charge

    Charge, or if negative payment, by Power Pool on generation asset. Charge includes generated energy at pool price and spot trading charges.

    Total Gross Energy ($)

    Total Gross Energy is the sum of Usage, Line Loss & UFE, Spot Trading and Retailer Fee charges.

    Total Pool Charge

    Total of all Pool related charges including Usage, settlement adjustments, RAM, RSA and generation.

    Total Transmission Charges ($)

    Total Transmission Charges appears on the tariff bill for transporting energy from the zone's generator to the retailer's wires. It is the sum of the System Access charge and the System Access Flat.

    Total Usage Cost

    Total Usage cost is the sum of consumption cost and delivery cost. This number represents the average cost for every mWh of energy you consume.

    TPG

    Trading Practices Guidelines.

    Transaction Date and Time

    The date and time the transaction was created. The standard Date format has been defined as: YYYYMMDDHHMISS.

    Transaction Status Code

    Used by the recipient to notify the sender of problems with the transaction.

    Transformer

    An electrical device for changing the voltage of alternating current.

    Transmission (kWh)

    The movement or transfer of electric energy over an interconnected group of lines and associated equipment between points of supply and points at which it is transformed for delivery to consumers or is delivered to other electric systems. Transmission is considered to end when the energy is transformed for distribution to the consumer.

    Transmission Administrator (TA)

    The entity designated by the Electrical Utilities Act (Alberta) and charged with the operation of the Alberta Interconnnected Energy System.

    Transmission Administrator (TA)ID

    The Transmission Administrator ID is 4000.

    Transmission circuit

    A conductor used to transport electricity from generating stations to load.

    Transmission Distribution Loss

    Electric energy lost due to the transmission and distribution of electricity. Much of the loss is thermal in nature.

    Transmission Electric System

    An interconnected group of electric transmission lines and associated equipment for moving or transferring electric energy in bulk between points of supply and points at which it is transformed for delivery over the distribution system lines to consumers or is delivered to other electric systems.

    Transmission Line

    A set of conductors, insulators, supporting structures, and associated equipment used to move large quantities of power at high voltage, usually over long distances between a generating or receiving point and major substations or delivery points.

    Transmission Network

    A system of transmission or distribution lines so cross-connected and operated as to permit multiple power supply to any principal point.

    Transmission Operations Coordinator

    The committee accountable to the AESO with membership made up of transmission facility owners, charged with the ongoing review and upgrading of all operating standards and guidelines for coordinated operation of the transmission system.

    TXN End Datetime

    RISS field to indicate when a transaction is no longer valid due to replacement by another transaction for the same settlement date.

    TXN

    End Datetime RISS field to indicate when a transaction is no longer valid due to replacement by another transaction for the same settlement date.

    Type

    Actual from meter; CA = Calculated; VE = Result from a VEE process (Verification, Edit, Estimation); ES = Estimate.

    U

    UCI

    Update Customer Information.

    UFE

    Unaccounted for Energy (UFE) is a settlement amount allocated to sites and represents energy not accounted for by meters and losses. UFE is calculated hourly by the LSA for each Zone and the amount is distributed evenly to all sites for that hour (except for TA and direct connect sites)UFE for each hour is the difference between (a) the system total load for the hour and (b) the sum of the estimated hourly loads at the Customer meters, plus their allocated losses. All references to UFE in the SSC refers to UFE on electric distribution systems..  See Benchmark Reports for Zone UFE.

    Unaccounted for Energy (UFE)

    A settlement amount allocated to sites and represents energy not accounted for by meters and losses. UFE is calculated hourly by the LSA for each Zone and the amount is distributed evenly to all sites for that hour (except for TA and direct connect sites)UFE for each hour is the difference between (a) the system total load for the hour and (b) the sum of the estimated hourly loads at the Customer meters, plus their allocated losses. All references to UFE in the SSC refers to UFE on electric distribution systems..  See Benchmark Reports for Zone UFE.

    Unbundled

    The separate pricing and provision of electricity service independent of equipment cost or charge.

    Unbundled Bill

    A bill which provides a breakdown of the various cost elements included in a customer invoice such as electric energy costs, transmission, distribution, retail charges and other service charges identified by the regulator.

    Unbundling

    Separating vertically integrated monopoly functions into their component parts for the purpose of separate service offerings.

    Unit Energy Cost

    The cost per megawatt of energy calculated by the Total Energy Charges divided by the Total Energy (MWh) consumed.

    Unit of Measurement. (UOM)
    A ampere
    A/m amperes per meter
    GW gigawatt
    GWh gigawatt-hour
    h hour
    hp horsepower
    Hz hertz
    kV kilovolt
    kVa kilovolt-ampere
    kVar kilovolt-ampere-reactive unit
    kVarh kilovar-hour
    kW kilowatt
    kWh kilowatt-hour
    kW-day kilowatt-day
    kW-year kilowatt-year
    kV/m kilovolts per meter
    MW megawatt
    MWh megawatt-hour
    ohm ohms
    V volt
    VA volt-ampere
    var volt-ampere reactive unit
    varh volt-ampere-reactive-hour
    V/m volts per meter
    W Watt
    Wh watt-hour
    Unit Price

    Total revenue derived from the sale of product during the reference month divided by the total volume sold; also known as the weighted average price. Total revenue should exclude all taxes but include transportation costs that were paid as part of the purchase price.

    Uplift

    An hourly payment made to importers when their energy is dispatched to meet system demand and sold into the pool at a price higher than the hourly pool price. An uplift hour cannot be confirmed until after the hour when the hourly pool price is determined. Once the pool price is posted, an importer can determine if the offer price of their dispatched block was greater than the pool price, in which case, uplift would be paid.

    Usage

    Usage is a load settlement term for the amount of energy consumed. Usage amounts are determined from meters or from connected load for non-metered sites. Amount of energy consumed on site is reported in mWh. Source of data is accumulative meters, interval meters and, in the absence of meter data, estimates.

    Usage Cost ($)

    Usage Cost is the cost of energy consumed at the hourly Power Pool price.

    Usage Delivery Cost

    This number is derived from all wires invoices for the month divided by Usage MWh. This number represents the average cost to deliver energy to your sites.

    Usage Pool Charge

    Cost of consumed energy at the pool price.

    Utility

    The name of the LSA.

    V

    VEE

    Validating, Editing and Estimation. These are the steps required for testing in order to produce settlement ready data.

    Vented

    Gas released into the air on the production site or at processing plants.

    Vented/Flared

    Gas that is disposed of by releasing (venting) or burning (flaring).

    Virtual Metering Point

    An effective point of measurement, that may or may not be physically locatable, where active energy or reactive energy is deemed to have been transferred through the point that is derived from one or more metering points.

    Volt

    The volt is the International System of Units (SI) measure of electric potential or electromotive force. A potential of one volt appears across a resistance of one ohm when a current of one ampere flows through that resistance. Reduced to SI base units, 1 V = 1 kg times m2 times s-3 times A-1 (kilogram meter squared per second cubed per ampere).

    Voltage

    The difference in electrical potential between any two conductors or between a conductor and ground. It is a measure of the electric energy per electron that electrons can acquire and/or give up as they move between the two conductors.

    Voltage Reduction

    Any intentional reduction of system voltage by 3 percent or greater for reasons of maintaining the continuity of service of the bulk electric power supply system.

    W

    Watt (W)

    The unit of electrical power equal to one ampere under a pressure of one volt. A Watt is equal to 1/746 horsepower.

    Watthour (Wh)

    The electrical energy unit of measure equal to one watt of power supplied to, or taken from, an electric circuit steadily for one hour.

    Wattmeter

    A device for measuring power consumption.

    WCI

    Wholesale Class Information (hourly for zone for profile and loss group).

    Weighed Pool Price

    An adjusted monthly average pool price based on the site's profile. It is calculated by the Total Gross Energy divided by the Total Energy (MWh).

    Wheeling

    The transmission of electric energy generated by one party to another using the transmission system of a third party. The wheeler does not own, generate or purchase the electricity being transported.

    Wholesale Competition

    A system whereby a distributor of power would have the option to buy its power from a variety of power producers, and the power producers would be able to compete to sell their power to a variety of distribution companies.

    Wholesale Electric Power Market

    The purchase and sale of electricity from generators to resellers (retailers), along with the ancillary services needed to maintain reliability and power quality at the transmission level.

    Wholesale Settlement Details (WSD)

    This transaction provides daily site-specific initial daily, initial monthly, interim and final settlement results to Retailers for energized sites enrolled to them. The site characteristics in this transaction are those characteristics in effect at the end of the settlement day.

    Wholesale Settlement Information (WSI)

    The wholesale settlement process flow is responsible for providing the settled load to the retailers, the Pool and the TA. The settled load is provided to retailers on a daily basis to let retailers know the usage of their customers. This will allow retailers to understand their current financial obligations and plan power purchases. The settled load is provided to the Pool daily (aggregated by the retailer) to inform the Pool of retailer commitments. The Pool uses this information to prepare an invoice for each retailer (i.e. consumption (in hourly intervals) multiplied by the hourly Pool price). The timing of such invoices is negotiated between the Pool and the retailer. To apply the distribution tariff for each site, the WSP requires the settled load, other load data and site information. The results are aggregated for each retailer operating within the settlement zone. The WSP uses this information to prepare an invoice for each retailer. The TA receives validated POD (point of delivery) data from the WSP (MDM) on a daily basis. Each day must be provided to the TA by noon of the following day. Changes can be provided to the TA for any day within one month up to the 9th business day of the following month. At that time, the previous month is considered closed. The reconciliation and final settlement processes will incorporate these changes. In some cases, the retailer is directly connected to the POD and must follow the same rules as the WSP (i.e. send POD data and receive invoice for payment). The TA performs a validation of the POD data prior to sending it to Settlement and the Pool (it is expected that the TA will provide POD data on the settled day +2). In addition to POD data, the TA sends POS

    Wind Energy

    Kinetic energy present in wind motion that can be converted to mechanical energy for driving pumps, mills, and electric power generators.

    Wind Farms

    A group of wind turbines interconnected to a common utility system through a system of transformers, distribution lines, and (usually) one substation. Operation, control, and maintenance functions are often centralized through a network of computerized monitoring systems, supplemented by visual inspection.

    Wind Turbine

    Wind energy conversion device that produces electricity; typically three blades rotating about a horizontal axis and positioned up-wind of the supporting tower.

    Wires Charge

    A broad term referring to fees levied on power suppliers or their customers for the use of the transmission or distribution wires.

    Wires Service Provider ID

    A 4-digit number that uniquely represents each Wires Service Provider operating within Alberta. WSP IDs are prefixed with a "0".

    WO

    Wires Owner. The owner of an electric distribution system

    WSD

    Wholesale Settlement Details.

    WSP

    Wires Service Provider. An entity that operates an electric distribution system. In most cases the Wires Owner and the Wires Service Provider are the same entity. However, some Wires Owners, particularly some REAs, have contracted with another Wires Owner to serve as Wires Service Provider for their Customers.

    WSP Consumption

    During a settlement run reconciliation process, unaccounted for consumption can occur.  In order to allocate this unaccounted for consumption fairly, we compare what is calculated for a site for a date, versus what the LSA has calculated for that site for that day.

    Wires Service Provider ID

    A 4 digit number that uniquely represents each Wires Service Provider operating within Alberta. WSP IDs are prefixed with a \\"0\\".

    WSS

    Wholesale Settlement Summary

    X

    No Results Found

    Y

    Year

    Calendar year.

    Z

    Zone ID

    A 4-digit number that uniquely represents each Settlement Zone operating within Alberta. A block of 500 each is allocated to ATCO, ENMAX, EPCOR and Fortis, and a block of 100 is allocated to other WSPs.

    Zone ID - ATCO

    0001 to 0500

    Zone ID - Cardston

    2501 to 2600

    Zone ID - Crowsnest Pass

    2101 to 2200

    Zone ID - ENMAX

    0501 to 1000

    Zone ID - EPCOR

    1001 to 1500

    Zone ID - Fort MacLeod

    2401 to 2500

    Zone ID - FORTIS

    1501 to 2000

    Zone ID - Lethbridge

    2001 to 2100

    Zone ID - Ponoka

    2301 to 2400

    Zone ID - Red Deer

    2201 to 2300

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