705 abbreviations
LRGliquefied refinery gases
LSELoad serving entity
LSFLoad Shift Factor
lsfoLow sulfur fuel oil
LWRlight water reactor
MAACMid Atlantic Area Council (US- geographically within PJM)
MADRIMid Atlantic Distributed Resources Initiative (US)
MAINMid America Interconnected Network (US)
MAOPMaximum allowable operating pressure
MAPPMid Continent Area Power Pool (US)
MBDmillion barrels per day
MBOEDOne million barrels of oil equivalent(EU)
MBRMarket based Rates
MBSMacro economic Budget Support
McfRoman numeral "M" for one thousand cubic feet (measurement of natural gas)
MDDMaximum Daily Delivery Obligations
MDDQMaximum Daily Delivery Quantity
MDMMeter Data Management
MDQMaximum Daily Quantities
MECSManufacturing Energy Consumption Survey
MEDREPMediterranean Renewables Energy Partnership
MEFmodified energy factor (clothes washers)
MERMaximum efficient rate
MERCMobile Emission Reduction Credit (MERC) (US)
MFVModified fixed variable rate
MINHERSMortgage Industry National Home Energy Rating Systems Standards
MISOMidwest Independent Transmission System Operator, Inc. A Regional Transmission Organization. (US)
MLPMaximum lawful price
MLRAMajor Land Resource Areas
MMUsed to denote million in gas usage
MMbbl/done million barrels of oil per day
MMBtu1 million British thermal units, same as dekatherm
MMCMarket Monitoring Center
MMCFone million cubic feet (measurement of natural gas)
MMCFDone million cubic feet per day
MMGALone million gallons
MMGAL/Done million gallons per day
MMSMineral Management Service (US)
MMSTone million short tons
MODFLOWmodel of groundwater flow
MOXmixed oxide fuel (nuclear)
MPGMiles per gallon
MROMidwest Reliability Organization (US)
MSAmetropolitan statistical area
MSHAMine Safety and Health Administration (US)
mslMean sea level
MSWMunicipal solid waste
Mtone million tons (ambiguous as to whether short tons or metric tons)
MTBEmethyl tertiary butyl ether
MTEFMedium Term Expenditure Framework