134th largest plant in Idaho · 11132nd nationally
Rock Creek Ii is a hydroelectric power plant in Idaho with a nameplate capacity of 1.9 MW. It generates roughly 5.8k MWh per year — enough to power about 551 average U.S. homes.
Its capacity factor of 35% reflects intermittent or peaking operation.
| Plant Name | Rock Creek Ii |
|---|---|
| Operator | Hydroland Omega Llc |
| City | Twin Falls |
| County | Twin Falls County |
| State | Idaho |
| ZIP | 83301 |
| Coordinates | 42.62072, -114.53149 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | Water | 1.9 MW | Operating | 1990 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Idaho Power Company |
Hydroelectric plants spin turbines using falling or flowing water — typically from a dam-impounded reservoir. They are dispatchable, long-lived, and emission-free at the point of generation, though large reservoirs can disrupt rivers and ecosystems and methane can be released from flooded vegetation.