Battery storage facilities don't generate electricity — they store it. They charge from the grid (often from solar during the day) and discharge during peak demand or to firm up renewables. EIA classifies them as power plants because they connect to the grid like one.
| Plant | State | Capacity | Operator |
|---|---|---|---|
| Menifee Power Bank | California | 620 MW | Nova Power, Llc |
| Eleven Mile Solar Center | Arizona | 600 MW | Eleven Mile Solar Center, Llc |
| Sun Streams 3 | Arizona | 430 MW | Sun Streams Pvs, Llc |
| Smt Ironman Battery Storage Plant | Texas | 304 MW | Smt Ironman Bess Llc |
| Atrisco Energy Storage | New Mexico | 300 MW | Atrisco Energy Storage Llc |
| Vikings Energy Farm | California | 287 MW | Vikings Energy Farm, Llc |
| Tanzanite Storage | Texas | 283 MW | Tanzanite Energy Storage Llc |
| Sierra Estrella Energy Storage | Arizona | 250 MW | Sierra Estrella Energy Storage, Llc |
| Libra Storage | Texas | 236 MW | Libra Storage Llc |
| Sunlight Storage Ii | California | 230 MW | Sunlight Storage Ii |
| Callisto I Energy Center | Texas | 223 MW | Callisto I Energy Center |
| Ebony Energy Storage | Texas | 208 MW | Ebony Energy Storage, Llc |
| Citadel Battery Storage Plant | Texas | 204 MW | Citadel Bess Llc |
| Cathode (Hinson) Bess | California | 200 MW | Southern California Edison Co |
| Dickens | Texas | 200 MW | Engie North America |
| Hydra | Texas | 200 MW | Engie North America |
| Paleo | Texas | 200 MW | Engie North America |
| Condor Energy Storage Llc | California | 200 MW | Condor Energy Storage Llc |
| Pike County Energy Storage | Indiana | 200 MW | Aes Indiana |
| Anemoi Energy Storage | Texas | 200 MW | Anemoi Energy Storage, Llc |
| Sundial (Troutdale) Bess | Oregon | 200 MW | Troutdale Grid, Llc |
| Pavo | Texas | 175 MW | Engie North America |
| Longbow Bess, Llc | Texas | 174 MW | Longbow Bess, Llc |
| Longhorn Storage | Texas | 165 MW | Longhorn Storage Llc |
| Borden County Bess | Texas | 150 MW | Borden County Battery Energy Storage System Llc |
| Myrtle Storage | Texas | 150 MW | Myrtle Storage, Llc |
| Danish Fields Storage | Texas | 150 MW | Danish Fields Storage, Llc |
| Agave | Arizona | 150 MW | Arizona Public Service Co |
| Chillingham Storage | Texas | 150 MW | Chillingham Storage Llc |
| Starr Solar Ranch | Texas | 136 MW | Lightsource Renewable Energy Asset Management, Llc |
| Lone Star Solar | South Carolina | 132 MW | Lone Star Solar |
| Tumbleweed Energy Storage | California | 125 MW | Tumbleweed Energy Storage, Llc |
| Gftx Bess | Texas | 125 MW | Giga Texas Energy Llc |
| Connolly Bess | Texas | 125 MW | Bt Connolly Storage, Llc |
| Sun Valley Storage | Texas | 123 MW | Sun Valley Storage Llc |
| Aes Maui Kuihelani Solar Hybrid | Hawaii | 120 MW | Aes Distributed Energy |
| Wigeon Whistle Battery Storage Plant | Texas | 120 MW | Wigeon Whistle Bess Llc |
| Beaumont Bess | California | 117 MW | Terra-Gen Operating Co-Bess 2 |
| Hemmingway Bess | Idaho | 116 MW | Idaho Power Co |
| Separator (Etiwanda) Bess | California | 113 MW | Southern California Edison Co |
| Ho'ohana Solar 1 | Hawaii | 104 MW | Ho'ohana Solar 1 Llc |
| St. Gall Energy Storage I | Texas | 103 MW | St. Gall Energy Storage I |
| Al Pastor Battery Storage Plant | Texas | 100 MW | Al Pastor Bess Llc |
| Tx10 Hummingbird Storage | Texas | 100 MW | Key Capture Energy |
| Tx15 Limousin Oak Storage | Texas | 100 MW | Key Capture Energy |
| Cald Bess | California | 100 MW | Cald Bess Llc |
| Brazos Bend Bess, Llc | Texas | 100 MW | Cypress Creek Renewables |
| Angelo Storage | Texas | 100 MW | Angelo Storage, Llc |
| Great Kiskadee Storage | Texas | 100 MW | Great Kiskadee Storage, Llc |
| Caballero | California | 99.7 MW | Caballero Ca Storage Llc |
| Acid Bess | California | 97.0 MW | Malaga Bess Llc |
| Superstition Energy Storage | Arizona | 90.0 MW | Superstition Energy Storage, Llc |
| Placerita Ess | California | 88.0 MW | Terra-Gen Operating Co-Bess 2 |
| Aes Es Alamitos 2 Llc | California | 82.0 MW | Aes Clean Energy |
| Westwing | Arizona | 82.0 MW | Aes Clean Energy |
| Bottleneck Energy Storage | California | 80.0 MW | Vesi 12 Llc |
| Constable Bess | Oregon | 75.0 MW | Portland General Electric Co |
| Inland Empire Energy Storage | California | 70.0 MW | Strata Manager, Llc |
| Mossy Branch Battery Facility | Georgia | 65.0 MW | Georgia Power Co |
| San Jacinto Grid, Llc | California | 65.0 MW | San Jacinto Grid, Llc |
| Franklin Battery Storage | Idaho | 60.0 MW | Idaho Power Co |
| Sagebrush Solar 2 Ess 59 | California | 59.0 MW | Terra-Gen Operating Co-Bess 2 |
| Tortolas | Texas | 50.0 MW | Engie North America |
| Lockhart Ess, Llc | California | 45.0 MW | Terra-Gen Operating Co-Solar |
| Black Mesa Bess | Idaho | 40.0 MW | Idaho Power Co |
| Sagebrush Solar 2 Ess 40 | California | 40.0 MW | Terra-Gen Operating Co-Bess 2 |
| International Battery Substation (Ibss) | Alaska | 40.0 MW | Chugach Electric Assn Inc |
| Prairie Center Energy Llc | Colorado | 35.4 MW | Whetstone Power Operations Llc |
| Santa Paula Energy Storage Llc | California | 30.0 MW | Santa Paula Energy Storage, Llc |
| Holtville | California | 30.0 MW | Greenbacker Renewable Energy Corporation |
| Cascade Energy Storage, Llc | California | 25.0 MW | Engie North America |
| Aes West Oahu Solar Hybrid | Hawaii | 25.0 MW | Aes Distributed Energy |
| West Ford Flat | California | 25.0 MW | West Ford Flat Energy Storage |
| Melrose Bess | California | 20.0 MW | San Diego Gas & Electric Co |
| Justin Court Energy Storage | New Jersey | 20.0 MW | Vesi 23 Llc |
| Montague Energy Storage | New Jersey | 20.0 MW | Vesi 34 Llc |
| Coffee Creek Bess | Oregon | 17.0 MW | Portland General Electric Co |
| Mclauchin | North Carolina | 15.0 MW | North Carolina El Member Corp |
| Slocum Energy Storage | Michigan | 14.0 MW | Dte Electric Company |
| Bear Canyon | California | 13.0 MW | Bear Canyon Energy Storage |
| Inertia Energy Storage | Texas | 13.0 MW | Inertia Energy Storage Llc |
| Rattlesnake Ridge Battery Storage | Colorado | 11.8 MW | United Power, Inc |
| Davis Battery Storage | Colorado | 11.8 MW | United Power, Inc |
| Bromley Battery Storage | Colorado | 11.8 MW | United Power, Inc |
| Keenesburg Battery Storage | Colorado | 11.8 MW | United Power, Inc |
| Sierra Energy Storage, Llc | California | 10.0 MW | Engie North America |
| Hecate Energy Desert Storage 1 Llc | California | 10.0 MW | Hecate Energy Desert Storage 1 Llc |
| Carris Storage I | California | 10.0 MW | Hecate Grid Carris Storage 1 Llc |
| Paradise Energy Storage | California | 10.0 MW | San Diego Gas & Electric Co |
| Clairemont Energy Storage | California | 10.0 MW | San Diego Gas & Electric Co |
| Elliott Energy Storage | California | 10.0 MW | San Diego Gas & Electric Co |
| Boulevard Energy Storage | California | 10.0 MW | San Diego Gas & Electric Co |
| Pala Gomez Creek Bess | California | 10.0 MW | San Diego Gas & Electric Co |
| Archie Horne | North Carolina | 10.0 MW | North Carolina El Member Corp |
| Butler | North Carolina | 10.0 MW | North Carolina El Member Corp |
| Ffp - Ny Varano | New York | 10.0 MW | Ffp Ny Goshen Project2, Llc |
| Crockett Bess | Texas | 10.0 MW | Prologis Logistics Services Incorporated Bess |
| Century Bess | Texas | 10.0 MW | Prologis Logistics Services Incorporated Bess |
| Liggett Switch | Texas | 10.0 MW | Prologis Logistics Services Incorporated Bess |
| Farmersville (Tx) | Texas | 9.9 MW | Hen Infrastructure, L.l.c. |