| Acciona Energy North America | First Solar | NRECA |
| AES Wind | GE Energy Consulting | NREL |
| Alberta Electric System Operator | Golden Spread Electric Cooperative | Omaha Public Power District |
| Algonquin Power | Great River Energy | ONYX InSIght |
| Allete Clean Energy | Greenview Strategic Consulting | Otter Tail Power Company |
| Alliant Energy | Grid Strategies LLC | Pacific Hydro Pty LLC |
| Amec Foster Wheeler | GridLab | Pacific Northwest National Laboratory |
| Anderson Optimization | Hawaii Natural Energy Institute | Patriot Renewables |
| Australian Energy Market Operator Ltd | Hawaiian Electric Company | Pattern Operators LP |
| Avangrid Renewables | Helman Analytics | PJM Interconnection |
| Basin Electric Power Cooperative | Holy Cross Energy | Polaris Systems Optimization |
| BC Hydro | Hydro Quebec | Portland General Electric |
| Bonneville Power Administration | Idaho Winds | Public Service Co. of New Mexico |
| BP Wind | Illinois Rural Electric Cooperative | Puget Sound Energy |
| Brattle Group | Imperial College London | Record Hill Wind LLC |
| Brucke Engineering PLLC | Independent Electricity System Operator | Red Electrica de Espana |
| California Energy Commission | Innergex Renewable Energy Inc. | RENEW Energy |
| California Independent System Operator | Innogy Renewables US LLC | Sacramento Municipal Utility District |
| CAMS | Intertek AIM | Sandia National Labratories |
| CD Arevon USA, Inc. | Invenergy | ScottMadden |
| Clean Line Energy Partners | Iowa Lakes Electric Cooperative | Sempra Renewables |
| Clean Power Research | Iowa State University / Electric Power Research Center | Sharply Focused |
| Clearway Energy Group | ISO New England | Shell Wind Energy |
| Cogentrix Energy | ITC Transmission/ITC Holdings | Shermco Industries |
| ConEdison Development | ITOCHU Techno-Solutions Corporation | SKF USA, Inc. |
| ConnectGen LLC | Jo-Carroll Energy | Smart Wire Grid |
| Consorcio Eolico Amayo, S.A. | Karlsruhe Institute of Technology (KIT) | Solcast (Solar & Storage Modelling Pty Ltd) |
| Consumers Energy | KU Leuven Research and Development | Southern Company Services |
| ConWX ApS | Lawrence Berkeley National Laboratory | Southwest Power Pool |
| Costa Rica Operaciones y Mantenimiento, S.A (CROMSA) | Leeward Asset Management, LLC | Stem |
| CPV Keenan II Renewable Energy Company, LLC | LINES – Thayer School of Engineering | Strategen |
| Dairyland Power Cooperative System | Longroad Energy Services | Technical University of Denmark |
| DE Shaw | Los Angeles Dept of Water and Power | Tenaska Wind Holdings |
| Diamond WTG | Madison Gas & Electric | Tri-State G&T Association |
| DNV GL | Manitoba Hydro | Tucson Electric Power |
| DTE Energy | Maxar | U.S. Department of Energy |
| Duke Renewables | MidAmerican Energy/PacifiCorp | UL |
| E.ON Climate & Renewables | Midcontinent Independent System Operator | Union of Concerned Scientists |
| EDF Renewables | Minnesota Power | University College Dublin |
| Edison Electric Institute | Missouri River Energy Services | University of Minnesota, St. Anthony Falls Laboratory |
| EirGrid | NAES/White Creek Wind | University of Tokyo |
| Electranix | National Center for Atmospheric Research | University of Vermont |
| Electric Power Engineers, Inc. | Natural Resources Canada | University of Western Ontario Canada |
| Electric Power Systems, Inc. | NaturEner | Vaisala |
| Enbridge Renewable Energy Infrastructure LP | Nebraska Public Power District | Vestas |
| Enel Green Power | Nergica | Vibrant Clean Energy |
| ENERCON Canada | New York Independent System Operator | WEC Energy Group |
| Energinet.dk | NextEra Analytics | WEG Transformers USA Inc |
| energy & meteo systems | NextEra Energy | WEPROG ApS |
| ENGIE Canada | NOAA Earth System Research Laboratory | WES Engineering Inc. |
| EPRI | North American Electric Reliability Corporation | Westar Energy |
| ERCOT | Northeast Branch of State Grid Corporation of China | Western Electricity Coordinating Council |
| Erie Shores Wind Farm | Northern Arizona University | Xcel Energy |
| Exelon Generation | Northland Power | XM S.A.E.S.P |
| Fire Island Wind | Novatus Energy |
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