California · Geothermal
Proposed geothermal projects in California
There are 6 proposed geothermal projects in California's interconnection queue, totaling 459.4 MW of requested capacity. The largest is Queue GI-2023-174 at 157 MW, and the median planned online year is 2029.
6
Proposed projects
459.4 MW
Requested capacity
76.6 MW
Average project size
2029
Median planned online year
All proposed geothermal projects in California
| Type | ||||
|---|---|---|---|---|
| Queue GI-2023-174 GI-2023-174 | Geothermal | 157 MW | 2023 | 2029 |
| Queue GI-2023-176 GI-2023-176 | Geothermal | 157 MW | 2023 | 2029 |
| MAYACAMAS GEOTHERMAL 1859 | Geothermal | 53 MW | 2021 | 2030 |
| Queue GI-2020-130 GI-2020-130 | Geothermal | 50 MW | 2020 | 2028 |
| Queue GI-2023-177 GI-2023-177 | Geothermal | 33 MW | 2023 | 2026 |
| BOTTLE ROCK POWER 81 | Geothermal | 9.4 MW | 2005 | 2027 |
Browse California's full interconnection queue. Compare with operating capacity: 32 operating geothermal plants in California. Nationwide: Geothermal plants nationwide.
Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition) (data as of December 31, 2025).