113th largest plant in Washington · 6987th nationally
Penstemon Solar Project is a solar power plant in Washington with a nameplate capacity of 5.0 MW. It generates roughly 10.4k MWh per year — enough to power about 987 average U.S. homes.
Its capacity factor of 24% reflects intermittent or peaking operation.
| Plant Name | Penstemon Solar Project |
|---|---|
| Operator | Greenbacker Renewable Energy Corporation |
| City | Ellensburg |
| County | Kittitas County |
| State | Washington |
| ZIP | 98926 |
| Coordinates | 46.95931, -120.50905 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| PENST | Solar Photovoltaic | Solar | 5.0 MW | Operating | 2022 |
| NERC Region | WECC |
|---|---|
| Balancing Authority | Puget Sound Energy |
Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.