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