| ACEEE | American Council for an Energy Efficient Economy (often referred to as "AC-triple-E") | |
| AERO | Alternative Energy Resources Organization | |
| aMW | Average megawatt, or the amount of energy represented by 1 megawatt (MW) used or generated for a whole year. | |
| ASE | Alliance to Save Energy | |
| ATNI | Affilitated Tribes of Northwest Indians | |
| AWEA | American Wind Energy Association | |
| AWEC | Alliance Of Western Energy Consumers | |
| B2H | Boardman to Hemmingway (transmission line) | |
| BBP | Byrd Barr Place | |
| BEF | Bonneville Environmental Foundation | |
| BEV | Battery Electric Vehicle | |
| BGA | BlueGreen Alliance | |
| BiOp | Biological Opinion (issued by federal agencies under the Endangered Species Act) | |
| BIPOC | Black Indigenous and People of Color | |
| BLM | Bureau of Land Management | |
| BPA | Bonneville Power Administration | |
| BPC | Building Performance Center (at the Opportunity Council in Bellingham) | |
| Btu | British thermal unit | |
| C-PACER | Commercial Property Assessed Clean Energy and Resilience | |
| C&I | Commercial & Industrial | |
| CAA | Community action agency | |
| CAC | Community Action Center (of Whitman County) | |
| CAISO | California Independent System Operator | |
| CAP | Community action program | |
| CBSA | Commercial Building Stock Assessment | |
| CCA | Community choice aggregation | |
| CCC | Coalition of Communities of Color (Oregon) | |
| CEAP | Clean Energy Action Plan | |
| CEIP | Clean Energy Implementation Plan | |
| CEP | Community Energy Project | |
| CETA | Clean Energy Transformation Act (Washington State) | |
| CEWO | Clean Energy Works Oregon | |
| CFL | Compact fluorescent light/lamp | |
| CHP | Combined heat and power (cogeneration) | |
| CNG | Cascade Natural Gas | |
| Co-op | Cooperative (utility) | |
| CO2 | Carbon dioxide | |
| COU | Consumer-owned utility | |
| CPP | Critical peak period | |
| CRAG | Conservation Resources Advisory Group | |
| CRITFC | Columbia River Inter-Tribal Fish Commission (an organization representing the four 1855 treaty tribes that have rights to Columbia River fishing) | |
| CRSO | Columbia River Systems Operations | |
| CS | Climate Solutions | |
| CUB | Citizens' Utility Board (of Oregon) | |
| CVR | Conservation voltage reduction (a type of energy efficiency for distribution lines) | |
| DCFC | Direct Current Fast Charger. Fastest electric vehicle charging level. | |
| DER | Distributed Energy Resource | |
| DNR | Department of Natural Resources (WA) | |
| DNRC | Department of Natural Resources and Conservation (Mont.) | |
| DOE | US Department of Energy | |
| DOE | U.S. Department of Energy | |
| DR | Demand Response | |
| DRP | Distribution Resource Planning | |
| DSI | Direct service industry | |
| DSM | Demand-side management (sometimes used to refer to all conservation measures, but more often used to indicate interruptible power arrangements to deal with peak use) | |
| DSP | Distribution System Planning | |
| DVR | Distribution Voltage Regulation (similar to CVR but only activate during peak demand periods) | |
| EDAM | Extended Day Ahead Market (proposed addition to EIM) | |
| EE | Energy Efficiency | |
| EEaS | Energy Efficiency as a Service | |
| EERS | Energy efficiency resource standard | |
| EFSC | Energy Facility Siting Council (Oregon) | |
| EFSEC | Energy Facility Site Evaluation Council (Washington State) | |
| EIA | Energy Information Administration (US) | |
| EIM | Energy imbalance market (operated by CAISO, including most western utilities) | |
| EITEs | "energy-intensive, trade-exposed" industries | |
| EIS | Environmental impact statement | |
| EM&V | Evaluation, measurement and verification | |
| EMO | Ecumenical Ministries of Oregon | |
| EPA | Environmental Protection Agency (US) | |
| EPS | Emissions performance standard | |
| EPUD | Emerald People’s Utility District (Lane County, Ore.) | |
| ERWH | Electric Resistance Water Heater | |
| ESA | Endangered Species Act | |
| ESCO | Energy service company | |
| ETO | Energy Trust of Oregon | |
| EULR | End Use Load Research | |
| EV | Electric Vehicle | |
| EVSE | Electric Vehicle Suppy Equipment | |
| EVSP | Electric Vehicle Service Provider | |
| EWEB | Eugene Water and Electric Board (Ore.) | |
| FERC | Federal Energy Regulatory Commission | |
| GHG | Greenhouse gas | |
| Gigawatt (GW) | One billion watts; 1 million kW; 1000 MW | |
| Gigawatt hour (GWh) | One billion watt hours; 1 million kWh; 1000 MWh | |
| GRC | General rate case | |
| HDV | Heavy Duty Vehicle | |
| HPWH | Heat Pump Water Heater | |
| HRC | Human Resource Council | |
| HVAC | Heating, ventilation and air conditioning | |
| ICE | Internal Combustion Engine | |
| ICEA | Idaho Clean Energy Association | |
| ICL | Idaho Conservation League | |
| ICNU | Industrial Customers of Northwest Utilities | |
| IDWR | Idaho Department of Water Resources | |
| IGCC | Integrated gasification combined-cycle (a type of coal plant that separates CO2) | |
| INL | Idaho National Laboratory | |
| IOU | Investor-owned utility | |
| IPC | Idaho Power Company | |
| IPP | Independent power producer | |
| IPUC | Idaho Public Utilities Commission | |
| IRP | Integrated resource plan | |
| IRPTAG | Integrated resource plan technical advisory group | |
| IRU | Idaho Rivers United | |
| ISO | Independent system operator | |
| Kilowatt (kW) | One thousand watts | |
| Kilowatt hour (kWh) | One thousand watt hours | |
| L1 | Level 1 electric vehicle charger. Slowest charging level. | |
| L2 | Level 2 electric vehicle charger. | |
| LBNL | Lawrence Berkeley National Laboratories | |
| LCP | Least-cost plan or planning | |
| LDC | Local distribution company (gas utility) | |
| LDV | Light Duty Vehicle | |
| LED | Light-emitting diode | |
| LEED | Leadership Energy and Environmental Design (U.S. Green Building Code Council certification program) | |
| LIHEAP | Low Income Home Energy Assistance Program (federal) | |
| LIHI | Low Impact Hydropower Institute (certifies qualified hydro projects as low impact) | |
| LION | Low-Income Organizing Network | |
| LIRA | Low-Income Rate Assistance program | |
| LNG | Liquefied natural gas | |
| LSE | Load-serving entity (electric utility) | |
| LSRD | Lower Snake River dams | |
| LWV | League of Women Voters | |
| MDU | Montana-Dakota Utilities | |
| MDV | Medium Duty Vehicle | |
| MEETS | Metered Energy Efficiency Transaction Structure | |
| MEIC | Montana Environmental Information Center | |
| MMBtu | 1 million British thermal units | |
| MOU | Memo of understanding | |
| MPSC | Montana Public Service Commission | |
| MREA | Montana Renewable Energy Association | |
| MSW | Municipal solid waste | |
| Muni | Municipality (used in reference to city-run utilities) | |
| MW | One million watts; 1000 kW | |
| MWa | Megawatt average | |
| MWh | One million watt hoursl; 1000 kWh | |
| NARUC | National Association of Regulatory Utility Commissioners | |
| NBI | New Buildings Institute | |
| NCAT | National Center for Appropriate Technology | |
| NE | Non-emitting | |
| NEEA | Northwest Energy Efficiency Alliance | |
| NEEC | Northwest Energy Efficiency Council | |
| NEPA | National Environtmental Policy Act | |
| NERC | North American Electric Reliability Corporation | |
| NMFS | National Marine Fisheries Service (now called NOAA Fisheries) | |
| NOAA | National Oceanic and Atmospheric Administration | |
| NOPR | Notice of proposed rulemaking | |
| NPCC | Northwest Power and Conservation Council | |
| NRC | Nuclear Regulatory Commission | |
| NRDC | National Resources Defense Council | |
| NREL | National Renewable Energy Laboratories | |
| NTIB | Necessary to Implement the Budget | |
| NWE | NorthWestern Energy | |
| NWEC | NW Energy Coalition | |
| NWIFC | Northwest Indian Fisheries Commission | |
| NWIGU | Northwest Industrial Gas Users | |
| NWN | NW Natural | |
| NWPCC | Northwest Power and Conservation Council | |
| NWPPA | Northwest Public Power Association | |
| ODFW | Oregon Department of Fish and Wildlife | |
| ODOE | Oregon Department of Energy | |
| OEC | Oregon Environmental Council | |
| OEF | Oregon Energy Fund | |
| OEM | Original Equipment Manufacturer, commonly used to refer to automobile manufacturers | |
| OIC | Opportunities Industrializiation Center (of Washington) | |
| OPAL | Organizing People / Activating Leaders (non profit in Oregon) | |
| OPUC | Oregon Public Utility Commission | |
| OSE | Office of Sustainability and Environment (City of Seattle) | |
| OSEIA | Oregon Solar Energy Industries Association | |
| PACE | Property Assessed Clean Energy | |
| PBR | Performance-Based Regulation or Ratemaking | |
| PCEF | Portland Clean Energy Fund | |
| PECI | Portland Energy Conservation, Inc. | |
| PEIA | Pacific Energy Innovation Association | |
| PEV | Plug-in Electric Vehicle | |
| PGE | Portland General Electric | |
| PGP | Public Generating Pool | |
| PHEV | Plug-in Hybrid Electric Vehicle | |
| PNUCC | Pacific Northwest Utilities Conference Committee | |
| PPA | Power purchase agreement | |
| PPC | Public Power Council | |
| PSARA | Puget Sound Advocates for Retirement Action | |
| PSCCU | Puget Sound Cooperative Credit Union | |
| PSE | Puget Sound Energy | |
| PSR | Physicians for Social Responsibility | |
| PTC | Production Tax Credit | |
| PUC | Public utility commission | |
| PUD | Public utility district | |
| PUHCA | Public Utilities Holding Company Act | |
| PURPA | Public Utility Regulatory Policy Act of 1978 | |
| PV | Photovoltaic (solar cell) | |
| Q1 / Q2 | Quarter 1 / Quarter 2 | |
| QF | Qualifying Facility - an electric generating facility receiving a utility contract under the Public Utility Regulatory Policy Act (PURPA) | |
| R&D | Research and development | |
| RA | Resource Adequacy | |
| RAP | Regulatory Assistance Project | |
| RBSA | Residential Building Stock Assessment | |
| RD&D | Research, development and demonstration | |
| RE | Renewable Energy | |
| REC | Renewable energy credit | |
| RES | Renewable energy standard | |
| RFP | Request for proposal | |
| RHA | Renewable Hydrogen Alliance | |
| RNW | Renewable Northwest | |
| ROE | Return on equity | |
| ROR | Rate of return | |
| RPP | Resource Procurement Plan | |
| RPS | Renewable portfolio standard | |
| RTO | Regional transmission organization | |
| SBC | System benefits charge (also referred to as a public purpose charge) | |
| SBCC | State Building Code Council (Wash.) | |
| SBUA | Small Business Utility Advocates | |
| SC | Sierra Club | |
| SCC | Social cost of carbon | |
| SCCAP | South Central Community Action Partnership | |
| SCGHG | Social cost of greenhouse gas | |
| SCL | Seattle City Light | |
| SEIA | Solar Energy Industries Association | |
| SEICAA | Southeast Idaho Community Action Agency | |
| SEPA | State Environmental Policy Act | |
| SNAP | Spokane Neighborhood Action Program | |
| SO2 | Sulfur dioxide | |
| SOS | Save our Wild Salmon | |
| SW | Solar Washington | |
| SZ | Shift Zero | |
| T&D | Transmission and distribution | |
| TCO | Total Cost of Ownership | |
| TE | Transportation Electrification | |
| TEP | The Energy Project | |
| TOU | Time of Use rates = rates that vary by time of day and day of the week | |
| TSO | Transmission system operator | |
| UCS | Union of Concerned Scientists | |
| USB | Universal system benefits (Mont.) | |
| USW | United Steelworkers of America | |
| UTC | Utilities and Transportation Commission (Wash.) | |
| V2G | Vehicle-to-Grid refers to vehicles capable of receiving power to the onboard battery from the electrical grid and vice-versa. | |
| VMT | Vehicle Miles Traveled | |
| WAP | Weatherization Assistance Program | |
| WASEIA | Washington Solar Energy Industries Association | |
| WCGGWI | West Coast Governors’ Global Warming Initiative | |
| WEC | Washington Environmental Council | |
| WECC | Western Electricity Coordinating Council | |
| WPPSS | Washington Public Power Supply System (now called Energy Northwest) | |
| WPUDA | Washington Public Utility Districts Association | |
| WSCAP | Washington State Community Action Partnership | |
| WSU | Washington State University | |
| WUTC | Washington Utilities and Transportation Commission | |
| WX | Weatherization | |
| ZEV | Zero Emission Vehicle | |