Telephone Flat is a geothermal power plant in California.
| Plant Name | Telephone Flat |
|---|---|
| Operator | Calpine Corporation |
| City | N/A |
| County | Siskiyou County |
| State | California |
| ZIP | 96097 |
| Coordinates | 41.56330, -121.57080 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| 1 | Geothermal | Geothermal | 49.9 MW | Cancelled | — |
| NERC Region | WECC |
|---|---|
| Balancing Authority | California Independent System Operator |
Geothermal plants tap heat from underground reservoirs to spin steam turbines. They provide carbon-free baseload power with very high capacity factors, but they only work where hot rock is accessible — primarily in the western U.S.