| Term | Description |
|---|
| 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 Heat Rate | The prevailing Pool price divided by the prevailing gas price. |
| 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. |
| 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 | Measuring of the amount of electric energy consumed by a customer. |
| 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 Administratoris 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. |