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 Oversight (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)