Interconnection queue › California › Geothermal
Snapshot of 2026-08-09 · 16 projects
16 geothermal projects are in the interconnection queue with a California location, totalling 1,457 MW across the 16 that publish a capacity.
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| ISO | Projects | Capacity |
|---|---|---|
| CAISO | 16 | 1,457 MW |
| Status | Projects |
|---|---|
| WITHDRAWN | 14 |
| ACTIVE | 2 |
| County | Projects | Capacity |
|---|---|---|
| SONOMA | 6 | 286 MW |
| INYO | 5 | 215 MW |
| LAKE | 2 | 102 MW |
| CHURCHILL/PERSHING | 1 | 364 MW |
| IMPERIAL | 1 | 470 MW |
| LASSEN | 1 | 20 MW |
The 12 highest-capacity rows in this page's exact scope, ordered by the capacity the ISO published. Projects without a published capacity are not ranked here and remain included in the totals above.
| Project | ISO | County | MW | Status | Queue date | Proposed operation |
|---|---|---|---|---|---|---|
| BLACK ROCK 1,2,3,4, & 5,6 | CAISO | IMPERIAL | 470 | WITHDRAWN | 2011-03-31 | not published |
| TGP NNP | CAISO | CHURCHILL/PERSHING | 364 | WITHDRAWN | 2010-07-31 | not published |
| COSO 2 SWAP (COSO FINANCE PARTNERS) | CAISO | INYO | 95 | WITHDRAWN | 2010-07-31 | not published |
| NAVY 1 | CAISO | INYO | 75 | WITHDRAWN | 2006-10-31 | not published |
| GEYSERS UNIT 11 RECONNECTION | CAISO | SONOMA | 74 | WITHDRAWN | 2015-04-30 | not published |
| MAYACAMAS GEOTHERMAL | CAISO | SONOMA | 53 | ACTIVE | 2021-04-15 | not published |
| BOTTLE ROCK POWER | CAISO | LAKE | 52 | ACTIVE | 2005-09-13 | not published |
| NEW GEYSERS | CAISO | SONOMA | 50 | WITHDRAWN | 2007-03-14 | not published |
| BINKLEY POWER PROJECT | CAISO | LAKE | 50 | WITHDRAWN | 2008-05-30 | not published |
| CPN WILD HORSE GEOTHERMAL | CAISO | SONOMA | 42 | WITHDRAWN | 2010-02-01 | not published |
| WGP GEYSERS | CAISO | SONOMA | 35 | WITHDRAWN | 2015-02-23 | not published |
| WESTERN GEOPOWER UNIT 1 | CAISO | SONOMA | 32 | WITHDRAWN | 2007-03-05 | not published |
| ISO | We last read | Source last changed | Source |
|---|---|---|---|
| CAISO | 2026-08-09 | 2026-08-09 | source file |
Compiled from each ISO's own published interconnection queue report. Queue position is not a permit, a contract, or a guarantee that a project will be built; most projects in every queue are eventually withdrawn. Figures are reproduced as published, are provided for informational purposes only, and carry no warranty of accuracy or completeness. Always verify against the ISO's own report before relying on any figure.