705 abbreviations
Abbreviation Meaning
NREPA National Resource and Environmental Protection Act (US)
NRI National Rivers Inventory (US)
NSA Noise sensitive area
NTAC Northwest Transmission Assessment Committee (US)
NUG Non Utility Generator
NURE national uranium resource evaluation (US)
NYDER New York Department of Environmental Resources
NYISO New York Independent System Operator, Inc. (US)
NYMEX New York Mercantile Exchange
NYPSC New York Public Service Commission
NYSERDA New York State Energy Research and Development Authority
O&M Operation and Maintenance Expenses
O3 Ozone
OASIS Open Access Same-Time Information System
OATT Open Access Transmission Tariff (US)
OCS Outer Continental Shelf (oil)
OCSLA Outer Continental Shelf Lands Act (oil)
ODS oxygen depletion sensor
OECD Organization for Economic Cooperation and Development
OEM original equipment manufacturers
OFO Operational Flow Order
OMP Operation and Maintenance Plan
Ontario IESO Ontario Independent Electricity System Operator (Canada)
OPEC Organization of Petroleum-Exporting Countries (oil)
OPRG oxygenated fuels program reformulated gasoline (oil)
ORNL Oak Ridge National Laboratory (U.S.) (nuclear)
OSHA U.S. Department of Labor Occupational Safety and Health Administration
OTAG Ozone Transport Assessment Group
OTDF Outage Transfer Distribution Factor
OTEC ocean thermal energy conversion (electricity)
PA Planning Authority
PA Programmatic Agreement
PADD Petroleum Administration for Defense Districts (US)
PBR pebble bed reactor (nuclear)
PBR performance based rates (electricity)
PBR Performance based regulation
PCB polychlorinated biphenyl
PCM Project Cycle Management
PCT Programmable Communicating Thermostat (electricity)
PD Preliminary Determination
PDC Phasor data concentrator. See description in phasor measurement unit article. (electricity)
PDCI Pacific Direct Current Intertie (US) (electricity)
PEM Proton Exchange Membrane
PFC perfluorocarbons
PG&E Pacific Gas & Electric (US) (electricity)
PGA Purchased gas adjustment
PHA Production Handling Agreement
PHFFU Plant held for future use
PIDX Petroleum Industry Data Exchange (oil)
PIER Public Interest Energy Research (CEC)