United States › Grid › Interconnection queues
OCTARY USA · INTERCONNECTION QUEUESBattery storage interconnection queue in the USA — page 8
Before a new power plant or battery can connect to the US grid, it joins a queue for studies and an interconnection agreement. Most requests never get built. This shows every request: active, built and withdrawn.
Requests shown2,226417.8 GW
Active in queue417.8 GW2,226 requests
Agreement signed76.1 GW459 requests
Withdrawn3,516554.5 GW never built
Map
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In studyAgreement signedUnder constructionBuiltSuspendedWithdrawn
Requests
2,226 requests · page 8 of 45
| Project | Capacity | Status |
|---|---|---|
| Battery storage project J4075, St. Landry Parish County Battery storage |
300 MW | In study |
| Battery storage project Q82, Los Angeles County Battery storage |
300 MW | In study |
| Battery storage project AI1-018, Spotsylvania County Battery storage |
300 MW | In study |
| Battery storage project GEN-2021-006, Labette County Battery storage |
300 MW | In study |
| Battery storage project J3216, Peoria County Battery storage |
300 MW | In study |
| Battery Storage Battery storage |
300 MW | In study |
| Battery storage project Q107, Kern County Battery storage |
300 MW | In study |
| Battery storage project J3417, Macon County Battery storage |
300 MW | In study |
| Battery storage project J2423, Columbia County Battery storage |
300 MW | In study |
| Tahoe Battery storage |
300 MW | Agreement signed |
| Battery storage project Company 219, Clark County Battery storage |
300 MW | Paused / redesign |
| Carmine Battery storage |
292 MW | In study |
| Battery Storage Battery storage |
290 MW | In study |
| Baker Branch BESS Battery storage · Mockingbird Storage Center, LLC |
287 MW | In study |
| Battery storage project AI1-187, Hunterdon County Battery storage |
280 MW | In study |
| Battery storage project GEN-2024-170, Cass County Battery storage |
280 MW | In study |
| Battery storage project G0724, Curry County Battery storage |
280 MW | In study |
| Unicorn BESS Battery storage · Unicorn Energies |
279 MW | In study |
| Pathfinder Storage Battery storage |
268 MW | Agreement signed |
| Battery storage project IC-1271, Cherokee County Battery storage |
265 MW | Agreement signed |
| Battery storage project IC-906, Cherokee County Battery storage |
265 MW | Agreement signed |
| Leopard BESS Battery storage · Bobcat Energy Center, LLC |
264 MW | Agreement signed |
| Battery storage project Q2510, Maricopa County Battery storage |
264 MW | In study |
| Battery storage project GEN-2025-SR28, Beaver County Battery storage |
263 MW | In study |
| J90 Energy Storage Battery storage |
261 MW | Agreement signed |
| Ochoa Energy Storage Battery storage · Ochoa Energy Storage LLC |
260 MW | In study |
| Battery storage project 897163, Wayne County Battery storage · Duke Energy Progress, LLC - HF Lee Energy - Storage |
260 MW | Agreement signed |
| Battery storage project AJ1-014, Will County Battery storage |
260 MW | In study |
| Battery storage project PP00027, Wayne County Battery storage |
260 MW | In study |
| Battery storage project IC-1144, Bartow County Battery storage |
260 MW | Paused / redesign |
| Jay Flat BESS Battery storage · Jay Flat BESS LLC |
259 MW | In study |
| Fika Battery storage |
259 MW | In study |
| Zeitgeist K Energy Center Battery storage |
258 MW | In study |
| Battery storage project E0017, Lincoln County Battery storage · Union Electric Company d/b/a Ameren Missouri |
258 MW | In study |
| First Capitol BESS Battery storage · First Capitol BESS, LLC |
258 MW | Agreement signed |
| Horsepower BESS Battery storage · Horsepower BESS, LLC |
258 MW | In study |
| Drake BESS Battery storage · Mallard Energy Storage LLC |
257 MW | Agreement signed |
| Masava Storage Battery storage · Savannah Oaks Solar Project, LLC |
257 MW | In study |
| Annapurna Battery storage |
257 MW | In study |
| Captiva Energy Storage Battery storage |
257 MW | Agreement signed |
| Shepard Energy Storage Battery storage · Shepard Energy Storage LLC |
257 MW | Agreement signed |
| Saddlehorn Energy Storage Battery storage · Saddlehorn, LLC |
257 MW | In study |
| Van Zandt Energy Storage Battery storage · Rocky Mountain Energy Holdings, LLC |
257 MW | In study |
| Rex Storage Battery storage · Rex BESS, LLC |
256 MW | In study |
| Bell County Morgan Storage Battery storage · DM-BCTRM, LLC |
256 MW | In study |
| Delamar Energy Storage 2 Battery storage |
256 MW | In study |
| Hastings Park BESS Battery storage · Brazos Roots BESS, LLC |
256 MW | Agreement signed |
| Commerce Energy Storage 3 Battery storage |
256 MW | Agreement signed |
| Almande Energy Storage Battery storage |
256 MW | In study |
| Delamar Energy Storage Battery storage |
256 MW | Agreement signed |
Page 8 of 45
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Capacity in the queue by state
Click a state to drill down.
AK–ME–VT39MWNH–WA8.9GWID3GWMT1.1GWND2.1GWMN7.7GWIL17GWWI2.6GWMI15GWNY11GWRI205MWMA5.9GWOR23GWNV14GWWY929MWSD700MWIA3.3GWIN10GWOH1.8GWPA1.9GWNJ3.7GWCT347MWCA54GWUT5.8GWCO3.4GWNE2.5GWMO5.8GWKY1.7GWWV30MWVA9.9GWMD3.1GWDE350MWAZ12GWNM6.2GWKS5.7GWAR2GWTN747MWNC4GWSC2.2GWDC–OK11GWLA3GWMS1.9GWAL1.5GWGA7.3GWHI–TX138GWFL1.8GW
By grid region
ISO/RTO markets and the non-ISO West and Southeast.
- ERCOT (Texas)724 · 133.4 GW
- West (non-ISO utilities)352 · 82.2 GW
- MISO (Midcontinent)305 · 55.0 GW
- CAISO (California)175 · 48.7 GW
- SPP (Southwest Power Pool)198 · 31.4 GW
- PJM (Mid-Atlantic, Midwest)248 · 29.6 GW
- Southeast (non-ISO utilities)109 · 19.4 GW
- NYISO (New York)84 · 11.1 GW
- ISO-NE (New England)31 · 6,907 MW
Requests by year joined
Capacity of requests in this view, by the year they entered the queue. Click a year.
20112025
Source: Rand, J. et al., Queued Up, Lawrence Berkeley National Laboratory, data through end of 2025. Compiled from the queues of the 7 ISO/RTOs and dozens of non-ISO utilities. A request is a proposal to connect, not a commitment to build: historically most are withdrawn. Capacity is the requested interconnection size; hybrids include the storage component. Transmission lines · Planned power plants (EIA)