A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z

A

 

AMP: Automated mitigation procedures



ARR: Auction revenue rights



ATC: Available transfer capability



AZ-NM-SNV: Arizona-New Mexico-Southern Nevada (NERC subregion)


B

 

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Bcf: Billion cubic feet



Bcfd: Billion cubic feet per day



BPA: Bonneville Power Administration



Btu: British thermal unit


C

 

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CAISO: California independent system operator



CA-MX: California-Mexico (NERC subregion)



CAP: Capacity Market Programs



CC: Combined cycle



CCRO: Committee of Chief Risk Officers



CDD: Cooling degree days



CERA: Cambridge Energy Research Associates



CERS: California Energy Resources Scheduling



CFTC: Commodity Futures Trading Commission



COB: California-Oregon Border



COOP: Cooperative



CT: Combustion turbine


D

 

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DA: Day-ahead



DCA: Designated congestion area



DEC: Decremental (energy)



DEMO: Division of Energy Market Assessments (FERC/OE division)



DOE: Department of Energy



DPL: Delmarva Peninsula



DTH: Decatherms or Dekatherm (ten therms)


E

 

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ECAR: East Central Area Reliability Coordination Agreement (NERC region)



EFP: Exchange of futures for physical



EFS: Exchange of futures for swaps



EIA: Energy Information Administration



EPA: Environmental Protection Agency



EQR: Electric Quarterly Report



ERCOT: Electric Reliability Council of Texas (NERC region)



ESP: Electric service providers


F

 

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FERC: Federal Energy Regulatory Commission



FRCC: Florida Reliability Coordinating Council (NERC region)



FTR: Financial transmission right


G

 

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GISB: Gas Industry Standards Board



GW: Gigawatt (one billion watts)



GWh: Gigawatt-hour (one billion watt-hours)




H

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HVDC: High voltage direct current



HDD: Heating degree days


I

 

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I/C: Interruptible/Curtailable Services



ICAP: Installed capacity


ICE: IntercontinentalExchange



IM: Instant messaging



IMM: Independent market monitor



INC: Incremental (energy)



INP: Indian Point (nuclear plant in NYISO)



IOU: Investor-owned utility



IPP: Independent power producer



IRP: Integrated resource plan/planning



ISDA: International Swap Dealers Association



ISO: Independent system operator



ISO-NE: Independent System Operator-New England


J

 

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JOA: Joint operating agreement


K

 

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kW: One thousand watts

 


kWh: Kilowatt-hour (one thousand watt-hours)


L

 

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LANL: Los Alamos National Laboratory



LBMP: Locational-based marginal price



LBNL: Lawrence Berkeley National Laboratory



LDC: Local distribution company



LIPA: Long Island Power Authority



LMP: Locational marginal price/pricing



LNG: Liquefied natural gas



LSE: Load-serving entity


M

 

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MISO: Midwest Independent System Operator



MMBtu: Million British thermal units



MMcf: Million cubic feet



MMcfd: Million cubic feet per day



MMG: Market Monitoring Group (in ISO-NE)



MMU: Market monitoring unit



MRO: Midwest Reliability Organization (NERC region; successor to Mid-Continent Area Power Pool, or MAPP)



MW: Megawatt (one million watts)



MWh: Megawatt-hour (one million watt-hours)

 

N

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NAESB: North American Energy Standards Board



NBP: National balancing point
  NOx Budget Trading Program


NEMA: Northeast Massachusetts



Nepool: New England Power Pool



NERC: North American Electric Reliability Council



NGX: Natural Gas Exchange (in Canada)



NOAA: National Oceanic and Atmospheric Administration



NOx: Nitrogen Oxide



NP-15: North of Path 15 (in CAISO)



NPC: National Petroleum Council



NPCC: Northeast Power Coordinating Council (NERC region, geographically includes ISO-NE and NYISO)



NREL: National Renewable Energy Laboratory



NWPP: Northwest Power Pool (NERC subregion)



NY: New York



NYC: New York City



NYISO: New York independent system operator



Nymex: New York Mercantile Exchange



NYPP: New York Power Pool



NYSERDA: New York State Energy Research and Development Authority


O

 

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O&M: Operations and maintenance



OCS: Outer Continental Shelf



OE: Office of Enforcement (FERC)



OECD: Organization of Economic Cooperation and Development



OPEC: Organization of Petroleum Exporting Countries



OOM: Out of market



OOS: Out of sequence



OTAG: Ozone Transportation Assessment Group



OTC: Over the counter


P

 

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PA: Public power authority
      Programmatic Agreement



P/E Ratio: Price/Earnings Ratio



PJM: PJM Interconnection



PPA: Power purchase agreement



PSC: Public service commission



PTC: Production tax credit



PUSH: Peaking Unit Safe Harbor



PX: Power Exchange (now defunct; in CAISO)


Q

 

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R

 

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REC: Renewable energy credit



RFC: ReliabilityFirst Corp. (NERC region)



RMPA: Rocky Mountain Power Area (NERC subregion)



RMR: Reliability must run



RPS: Renewable portfolio standard



RSI: Residual supply index



RT: Real time



RTEP: Regional Transmission Expansion Plan



RTO: Regional transmission organization



RTS: Real-time scheduling


S

 

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SBC: System benefit charge



SCADA: Supervisory control and data analysis



SCE: Southern California Edison



SEMA: Southeast Massachusetts



SERC: SERC Reliability Corp. (formerly Southeastern Electric Reliability Council, a NERC region that includes Entergy, Southern, TVA and VACAR)



SIP: NOx state implementation plan



SO2: Sulfur dioxide



SP-15: South of Path 15 (in CAISO)



SPP: Southwest Power Pool (NERC region)



SWCT: Southwest Connecticut


T

 

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TLR: Transmission loading relief



Transco: Transmitting Utility



TOU: Time of use pricing or rate



TVA: Tennessee Valley Authority (NERC subregion)


U

 

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V

 

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VACAR: Virginia-Carolinas area (NERC subregion)



VIU: Vertically integrated utility



VRD: Virtual regional dispatch


W

 

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W: Watt



WECC: Western Electricity Coordinating Council (NERC Region)



Wh: Watt-hour



WTI: West Texas intermediate crude oil



WUMS: Wisconsin-Upper Michigan subregion


X

 

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Y

 

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Z

 

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ZP-26: Zone at Path 26 (in CAISO)

 

This page was last updated on August 31, 2020