| 5 Lakes Energy | Energy Strategies | Northland Power |
| Acciona Energy North America | Energynautics GmbH | NRECA |
| Achillea Research Inc. | EnerNex | NREL |
| AEP Renewables | ENGIE Canada | NYSERDA |
| AES Wind | EPRI | Omaha Public Power District |
| Alaska Center for Energy and Power | ERCOT | Onward Energy |
| Algonquin Power | Evergy | ONYX InSight |
| Allete Clean Energy | Organization of MISO States | |
| Alliant Energy | Fire Island Wind | Ørsted Onshore North America LLC |
| Ameren | Form Energy | Pacific Gas & Electric |
| American Clean Power Association | Fukushima Renewable Energy Institute, AIST (FREA) | Pacific Northwest National Laboratory |
| American Electric Power | General Electric International, Inc. (GEII) | Patriot Renewables |
| Ampacimon | German Aerospace Center (DLR) | Pattern Operators LP |
| Amprion GmbH | GHD | PEI Energy Corporation |
| Analog Devices | Go2Power Consulting | Pine Gate Renewables |
| Anderson Optimization | Golden Spread Electric Cooperative | PJM Interconnection |
| Apex Clean Energy | Great Plains Institute | Polaris Systems Optimization |
| Arevon Energy | Great River Energy | Portland General Electric |
| Argonne National Laboratory | Greenview Strategic Consulting | PSC Specialists Group, Inc. |
| Arizona Public Service | Grid Strategies LLC | PSEG Long Island |
| Ascend Analytics | Grid United | Public Service Co. of New Mexico |
| Aspenall Energies (Delaware), LLC | GridLab | Puget Sound Energy |
| Aurecon Australasia Pty Ltd | Hawaii Natural Energy Institute | Ralph O’Connor Sustainable Energy Institute – Johns Hopkins University |
| Australian Energy Market Operator Ltd | Hawaiian Electric Company | Record Hill Wind LLC |
| Avangrid Renewables | Hitachi Energy USA Inc. | ReliabilityFirst |
| Aypa Power | Holy Cross Energy | RENEW Energy |
| Basin Electric Power Cooperative | Hydro Quebec | Resource Insight, Inc. |
| BC Hydro | ICF | Rio Energy |
| Berkshire Hathaway Energy | Idaho National Laboratory | RWE Renewables |
| Bonneville Power Administration | Imperial College London | Sacramento Municipal Utility District |
| BP Wind | Independent Electricity Consultants, LLC | Salt River Project |
| Brattle Group | Independent Electricity System Operator | Sandia National Laboratories |
| California Energy Commission | Innergex Renewable Development USA, LLC | ScottMadden |
| California Independent System Operator | Interstate Renewable Energy Council | Scout Clean Energy |
| CAMS | Intertek AIM | Sempra Infrastructure |
| Camus Energy | Invenergy | SERC Reliability Corp. |
| Canadian Renewable Energy Association | Iowa Lakes Electric Cooperative | Sharply Focused |
| Capital Power | Iowa State University / Electric Power Research Center | Shell International Exploration & Production |
| Clean Power Research | ISO New England | Shell Wind Energy |
| Clearway Energy Group | ITOCHU Techno-Solutions Corporation | Siemens Technology Corp. USA |
| Con Edison | J-POWER | Sinton Instruments |
| ConnectGen LLC | KU Leuven Research and Development | Skyline Renewables |
| Conrad Technical Services | Lancium | Solcast (Solar & Storage Modelling Pty Ltd) |
| Constellation | Lawrence Berkeley National Laboratory | Solphi Engineering PLLC |
| Consumers Energy | Leeward Asset Management, LLC | Southern Company Services |
| Costa Rica Operaciones y Mantenimiento, S.A (CROMSA) | Longroad Energy Services | Southwest Power Pool |
| CPV Keenan II Renewable Energy Company, LLC | Los Angeles Dept of Water and Power | Strategen |
| Cubico Sustainable Investments | Madison Gas & Electric | Sunflower Electric Power Corporation |
| Cummins | Manitoba Hydro | Sustainable Power Systems, Inc. |
| CustomerFirst Renewables | Market Surveillance Administrator | Swift Current Management Services |
| Customized Energy Solutions | Maxar | Tabors Caramanis Rudkevich |
| DE Shaw | Midcontinent Independent System Operator | Telos Energy |
| Deutsche Windtechnik Inc | Midwest Reliability Organization | Tennessee Valley Authority |
| DNV GL | Minnesota Power | Texas Regional Entity |
| DTE Energy | Missouri River Energy Services | TransAlta |
| Duke Renewables | Mitsubishi Electric Power Products, Inc. | TransGrid Solutions |
| Ed Smeloff | Monash University | Transpower NZ Ltd |
| EDF Renewables | NAES/White Creek Wind | Tri-State G&T Association |
| Edison Electric Institute | National Center for Atmospheric Research | Tucson Electric Power |
| Edison Energy | National Grid ESO | U.S. Department of Energy |
| EDP Renewables | National Grid Renewables | Union of Concerned Scientists |
| EirGrid | Natural Resources Canada | University of Tokyo |
| Electranix Corporation | Nebraska Public Power District | Vector Limited |
| Electric Power Engineers, Inc. | New Leaf Energy Inc. | VEIR |
| Electric Power Systems, Inc. | New York Independent System Operator | Vibrant Clean Energy |
| EMTP | NextEra Analytics | WEC Energy Group |
| Enbridge Renewable Energy Infrastructure LP | NextEra Energy | WEG Transformers USA Inc |
| encoord | NextUp Renewables LLC | WES Engineering Inc. |
| Enel Green Power | NOAA Earth System Research Laboratory | Western Electricity Coordinating Council |
| Energy & Environmental Economics | North American Electric Reliability Corporation | Western Interconnection Regional Advisory Body (WIRAB) |
| energy & meteo systems | Northeast Branch of State Grid Corporation of China | World Resources Institute |
| Energy Exemplar LLC | Northeast Power Coordinating Council | Xcel Energy |
| Energy Forecasting Solutions | Northern Arizona University | XM S.A.E.S.P |
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