PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/58091
EIA plant 58091
Quarryville · Lancaster · PA
Keystone Solar
Operated by Altus Power America Management, LLC
Published location
Where is Keystone Solar?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
39.861111, -76.221111
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 223 MWh |
| 2 | 592 MWh |
| 3 | 659 MWh |
| 4 | 664 MWh |
| 5 | 717 MWh |
| 6 | 565 MWh |
| 7 | 833 MWh |
| 8 | 769 MWh |
| 9 | 621 MWh |
| 10 | 788 MWh |
| 11 | 577 MWh |
| 12 | 360 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| KSTN | Solar Photovoltaic | SUN | 5 | OP |
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Identity, technology and limitations
EIA plant ID
58091
Sector
IPP Non-CHP
Water source
Unavailable
Data edition
2024-final