Penstemon Solar Project
3960 Tjossem Road, Ellensburg, WA 98926Plant Summary Information
Penstemon Solar Project is ranked #5 out of 9 solar farms in Washington in terms of total annual net electricity generation.
Penstemon Solar Project generated 1.2 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Penstemon Solar Project |
|---|---|
| Utility Name | Altus Power America Management, LLC |
| Location | Kittitas County, WA |
| Initial Operation Date | January 2022 |
| Last Update | Dec 2025 |
| Annual Generation | 11.2 GWh |
| Annual Consumption | 38.7 k MMBtu |
| Ranked #6,060 out of 13,081 Power Plants Nationwide | |
| Ranked #1,865 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #109 out of 131 Washington Power Plants | |
| Ranked #5 out of 9 Washington Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operators |
TUUSSO Energy, LLC (2018 to 2020) Greenbacker Renewable Energy Corporation (2021 to 2024) Altus Power America Management, LLC (2025 to 2025) |
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Monthly Net Generation for Penstemon Solar Project
Monthly Plant Fuel Consumption for Penstemon Solar Project
Penstemon Solar Project Details
| Summary Information | |
|---|---|
| Plant Name | Penstemon Solar Project (62069) |
| Plant Address | 3960 Tjossem Road, Ellensburg, WA 98926 |
| Utility | Altus Power America Management, LLC (60281) |
| Latitude, Longitude | 46.95931, -120.50905 |
| Generation Dates on File | Jan 2022 to Dec 2025 |
| Initial Operation Date | January 2022 |
| Annual Generation | 11.2 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | QF17-342 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Puget Sound Energy (PSEI) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Puget Sound Energy Inc (15500) WA |
| Grid Voltage | 12.00 kV |
| Energy Storage | No |
Generator PENST Details Operating January 2022
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 5 MW |
| Summer Capacity | 5 MW |
| Winter Capacity | 5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 2022 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 60 |
| DC Net Capacity | 6.7 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Penstemon Solar Project Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1855 | Gaston II | Swansea, SC | 11.3 GWh |
| #1856 | BD Solar Hancock LLC | Augusta, ME | 11.3 GWh |
| #1857 | Slayton Settlement Road Solar CSG | Lockport, NY | 11.3 GWh |
| #1858 | RE Bruceville 3 LLC | Elk Grove, CA | 11.3 GWh |
| #1859 | Washington Solar | Reidsville, NC | 11.3 GWh |
| #1860 | CBEP Solar 5, LLC | Johnstown, CO | 11.3 GWh |
| #1861 | NLRED 5MW | North Little Rock, AR | 11.3 GWh |
| #1862 | West Pemberton | Pemberton Twp, NJ | 11.3 GWh |
| #1863 | Tyto Solar | Fitchburg, WI | 11.3 GWh |
| #1864 | Riverside Renewable Energy LLC | Gloucester City, NJ | 11.2 GWh |
| #1866 | Barnwell Solar | Barnwell, SC | 11.2 GWh |
| #1867 | Angela Solar Project | Alpaugh, CA | 11.0 GWh |
| #1868 | Alamogordo Solar Energy Center | Alamogordo, NM | 11.1 GWh |
| #1869 | Bovine | Wallis, TX | 11.1 GWh |
| #1870 | Quakertown Solar Farm, LLC | Franklin Twp. / Pitts, NJ | 11.1 GWh |
| #1871 | TPE Irish Road Solar, LLC | Chatham, VA | 11.1 GWh |
| #1872 | GE 19th Hole | Johnstown, NY | 11.0 GWh |
| #1873 | Fairfield Lee Solar, LLC Community Solar | Fairfield, VA | 11.0 GWh |
| #1874 | CBEP Solar 1, LLC | Sterling, CO | 11.0 GWh |
| #1875 | Butterfield Solar Farm | Durant, OK | 11.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Penstemon Solar Project.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Camas Solar Project | Ellensburg, WA | 10.7 GWh | 0 mi |
| Cowiche | Tieton, WA | 3.4 GWh | 21.4 mi |
| Crystal Mountain | Greenwater, WA | 775.0 MWh | 45.6 mi |
| Goose Prairie Solar | Moxee, WA | 178.5 GWh | 32.3 mi |
| Orchard Avenue 1 | Yakima, WA | 2.9 GWh | 26.3 mi |
| Packwood | Packwood, WA | 73.8 GWh | 56.1 mi |
| PEC Headworks | Moses Lake, WA | 17.7 GWh | 32 mi |
| Priest Rapids | Mattawa, WA | 4.9 TWh | 35.8 mi |
| Quincy Chute | Quincy, WA | 32.6 GWh | 59 mi |
| Rock Island | Wenatchee, WA | 2.6 TWh | 33.1 mi |
| Rocky Reach | Wenatchee, WA | 6.2 TWh | 40.9 mi |
| Roza | Yakima, WA | 38.2 GWh | 23.6 mi |
| Sagebrush Power Partners | Ellensburg, WA | 277.0 GWh | 14.8 mi |
| Swauk Wind LLC | Thorp, WA | 2.9 GWh | 16.9 mi |
| Tieton Dam Hydro Electric Project | Rimrock, WA | 24.2 GWh | 35.9 mi |
| Urtica Solar Project | Ellensburg, WA | 11.4 GWh | 13.3 mi |
| Vantage Wind Energy LLC | Ellensburg, WA | 253.2 GWh | 15.4 mi |
| Wanapum | Beverly, WA | 5.3 TWh | 26.1 mi |
| Weeks Falls | North Bend, WA | 10.7 GWh | 62.7 mi |
| Wild Horse | Ellensburg, WA | 603.3 GWh | 15.2 mi |