| 5 Lakes Energy | EnerNex | NREL |
| Acciona Energy North America | ENGIE Canada | NYSERDA |
| Achillea Research Inc. | EPRI | Omaha Public Power District |
| AEP Renewables | ERCOT | Onward Energy |
| AES Wind | Evergy | ONYX InSight |
| Alaska Center for Energy and Power | Fire Island Wind | Organization of MISO States |
| Algonquin Power | Form Energy | Pacific Northwest National Laboratory |
| Allete Clean Energy | Fukushima Renewable Energy Institute, AIST (FREA) | Patriot Renewables |
| Alliant Energy | General Electric International, Inc. (GEII) | Pattern Operators LP |
| American Clean Power Association | German Aerospace Center (DLR) | PEI Energy Corporation |
| American Electric Power | GHD | Pine Gate Renewables |
| Amprion GmbH | Golden Spread Electric Cooperative | PJM Interconnection |
| Analog Devices | Great River Energy | Polaris Systems Optimization |
| Anderson Optimization | Greenview Strategic Consulting | Portland General Electric |
| Apex Clean Energy | Grid Strategies LLC | PSC Specialists Group, Inc. |
| Arevon Energy | Grid United | PSEG Long Island |
| Argonne National Laboratory | GridLab | Public Service Co. of New Mexico |
| Arizona Public Service | Hawaii Natural Energy Institute | Puget Sound Energy |
| Ascend Analytics | Hawaiian Electric Company | Ralph O’Connor Sustainable Energy Institute – Johns Hopkins University |
| Aspenall Energies (Delaware), LLC | Hitachi Energy USA Inc. | Record Hill Wind LLC |
| Aurecon Australasia Pty Ltd | Holy Cross Energy | ReliabilityFirst |
| Australian Energy Market Operator Ltd | Hydro Quebec | RENEW Energy |
| Aypa Power | ICF | Resource Insight, Inc. |
| Basin Electric Power Cooperative | Idaho National Laboratory | Rio Energy |
| BC Hydro | Imperial College London | RWE Renewables |
| Berkshire Hathaway Energy | Independent Electricity Consultants, LLC | Sacramento Municipal Utility District |
| Bonneville Power Administration | Independent Electricity System Operator | Salt River Project |
| Brattle Group | Innergex Renewable Development USA, LLC | Sandia National Laboratories |
| California Energy Commission | Intertek AIM | ScottMadden |
| California Independent System Operator | Invenergy | Scout Clean Energy |
| CAMS | Iowa Lakes Electric Cooperative | Sharply Focused |
| Camus Energy | Iowa State University / Electric Power Research Center | Shell International Exploration & Production |
| Canadian Renewable Energy Association | ISO New England | Shell Wind Energy |
| Capital Power | ITOCHU Techno-Solutions Corporation | Siemens Technology Corp. USA |
| Clean Power Research | J-POWER | Sinton Instruments |
| Con Edison | KU Leuven Research and Development | Skyline Renewables |
| ConnectGen LLC | Lancium | Solcast (Solar & Storage Modelling Pty Ltd) |
| Conrad Technical Services | Lawrence Berkeley National Laboratory | Solphi Engineering PLLC |
| Constellation | Leeward Asset Management, LLC | Southern Company Services |
| Consumers Energy | Longroad Energy Services | Southwest Power Pool |
| Costa Rica Operaciones y Mantenimiento, S.A (CROMSA) | Los Angeles Dept of Water and Power | Strategen |
| CPV Keenan II Renewable Energy Company, LLC | Madison Gas & Electric | Sunflower Electric Power Corporation |
| Cubico Sustainable Investments | Market Surveillance Administrator | Sustainable Power Systems, Inc. |
| Cummins | Maxar | Swift Current Management Services |
| CustomerFirst Renewables | Midcontinent Independent System Operator | Tabors Caramanis Rudkevich |
| Customized Energy Solutions | Minnesota Power | Telos Energy |
| DE Shaw | Missouri River Energy Services | Tennessee Valley Authority |
| Deutsche Windtechnik Inc | Mitsubishi Electric Power Products, Inc. | Texas RE |
| DNV GL | Monash University | TransAlta |
| DTE Energy | NAES/White Creek Wind | TransGrid Solutions |
| Duke Renewables | National Center for Atmospheric Research | Transpower NZ Ltd |
| EDF Renewables | National Grid Renewables | Tri-State G&T Association |
| Edison Energy | Natural Resources Canada | Tucson Electric Power |
| EDP Renewables | Nebraska Public Power District | U.S. Department of Energy |
| EirGrid | New Leaf Energy Inc. | Union of Concerned Scientists |
| Electranix Corporation | New York Independent System Operator | University of Tokyo |
| Electric Power Engineers, Inc. | NextEra Analytics | Vector Limited |
| Electric Power Systems, Inc. | NextEra Energy | VEIR |
| EMTP | NextUp Renewables LLC | Vibrant Clean Energy |
| Enbridge Renewable Energy Infrastructure LP | NOAA Earth System Research Laboratory | WEC Energy Group |
| encoord | North American Electric Reliability Corporation | WEG Transformers USA Inc |
| Energy & Environmental Economics | Northeast Branch of State Grid Corporation of China | WES Engineering Inc. |
| energy & meteo systems | Northeast Power Coordinating Council | Western Electricity Coordinating Council |
| Energy Exemplar LLC | Northern Arizona University | Western Interconnection Regional Advisory Body (WIRAB) |
| Energy Forecasting Solutions | Northland Power | World Resources Institute |
| Energy Strategies | NRECA | Xcel Energy |
| Energynautics GmbH | XM S.A.E.S.P |
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