Keystone Solar
979 Deaver Rd., Quarryville, PA 17566Plant Summary Information
Keystone Solar is ranked #26 out of 61 solar farms in Pennsylvania in terms of total annual net electricity generation.
Keystone Solar generated 1.5 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Keystone Solar |
|---|---|
| Utility Name | Altus Power America Management, LLC |
| Location | Lancaster County, PA |
| Initial Operation Date | September 2012 |
| Last Update | Dec 2025 |
| Annual Generation | 7.4 GWh |
| Annual Consumption | 26.5 k MMBtu |
| Ranked #7,165 out of 12,613 Power Plants Nationwide | |
| Ranked #2,585 out of 6,463 Solar Power Plants Nationwide | |
| Ranked #169 out of 243 Pennsylvania Power Plants | |
| Ranked #26 out of 61 Pennsylvania Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Keystone Solar, LLC (2013 to 2021) Altus Power America Management, LLC (2022 to 2024) |
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Monthly Net Generation for Keystone Solar
Monthly Plant Fuel Consumption for Keystone Solar
Keystone Solar Details
| Summary Information | |
|---|---|
| Plant Name | Keystone Solar (58091) |
| Plant Address | 979 Deaver Rd., Quarryville, PA 17566 |
| Utility | Altus Power America Management, LLC (60281) |
| Latitude, Longitude | 39.86111, -76.22111 |
| Generation Dates on File | Sep 2012 to Dec 2025 |
| Initial Operation Date | September 2012 |
| Annual Generation | 7.4 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 | QF13-15-000 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | RFC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | PPL Electric Utilities Corp (14715) PA |
| Grid Voltage | 12.00 kV |
| Energy Storage | No |
Generator KSTN Details Operating September 2012
| 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 | September 2012 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 182 |
| Tilt Angle | 25 |
| DC Net Capacity | 6 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Keystone Solar 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 |
|---|---|---|---|
| #2575 | Neal Energy Center Solar | Salix, IA | 7.4 GWh |
| #2576 | Cicero Energy Storage 2 LLC | East Syracuse, NY | 7.4 GWh |
| #2577 | Gato Montes Solar, LLC | Tucson, AZ | 7.4 GWh |
| #2578 | Starratt Solar | Jacksonville, FL | 7.4 GWh |
| #2579 | River Valley LLC (NY) (CSG) | Olean, NY | 7.4 GWh |
| #2580 | Ahoskie | Ahoskie, NC | 7.4 GWh |
| #2581 | Westhampton | Westhampton, MA | 7.4 GWh |
| #2582 | Norwich Solar and Energy Storage CSG | Norwich, NY | 7.4 GWh |
| #2583 | Stanford | Stanfordville, NY | 7.4 GWh |
| #2584 | Church Road Solar LLC | Angier, NC | 7.4 GWh |
| #2586 | Melinda Solar | Henderson, NC | 7.4 GWh |
| #2587 | Porter Solar | New Bern, NC | 7.4 GWh |
| #2588 | East Brookfield Adams Road Solar LLC CSG | East Brookfield, MA | 7.4 GWh |
| #2589 | Foreman's Hill Community Solar | Red Wing, MN | 7.4 GWh |
| #2590 | Syncarpha Palmer, LLC | Palmer, MA | 7.4 GWh |
| #2591 | New Marlborough | New Marlborough, MA | 7.4 GWh |
| #2592 | Webster Holdco Solar CSG | Webster, MN | 7.4 GWh |
| #2593 | Elizabeth Mines Solar 1 | So. Strafford, VT | 7.4 GWh |
| #2594 | White Rock Road LLC | Westerly, RI | 7.4 GWh |
| #2595 | Knapp East (CSG) | Akron, NY | 7.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Keystone Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Conowingo | Darlington, MD | 1.5 TWh | 14.3 mi |
| Dart Container Corp | Leola, PA | 50.1 GWh | 15.8 mi |
| Ephrata PA BTM | Lancaster, PA | 309.0 MWh | 22.8 mi |
| Essential Power Rock Springs LLC | Rising Sun, MD | 179.0 GWh | 10.3 mi |
| Frey Farm Landfill | Conestoga, PA | 15.6 GWh | 13.6 mi |
| Holtwood | Holtwood, PA | 866.1 GWh | 6.3 mi |
| IKEA Perryville 460 | Perryville, MD | 3.2 GWh | 22.5 mi |
| L&S Sweetners | Leola, PA | 22.8 GWh | 16.4 mi |
| Lanchester Generating Station | Narvon, PA | 18.6 GWh | 22.3 mi |
| Marlboro Mushrooms Solar Field | West Grove, PA | 1.3 GWh | 20.8 mi |
| Martin Limestone Solar Array | New Holland, PA | 1.6 GWh | 19 mi |
| Mason Solar One LLC | Elkton, MD | 1.8 GWh | 19.9 mi |
| Meeting House | North East, MD | 3.9 GWh | 18.3 mi |
| Mount Joy Wire | Mount Joy, PA | 641.9 MWh | 21.8 mi |
| Peach Bottom | Delta, PA | 21.9 TWh | 7.5 mi |
| PPL Frey Farm Landfill Wind | Conestoga, PA | 3.4 GWh | 14.2 mi |
| Safe Harbor | Conestoga, PA | 1.0 TWh | 10 mi |
| SECCRA Community Landfill | West Grove, PA | 124.0 MWh | 20.1 mi |
| Wildcat Point Generation Facility | Conowingo, MD | 3.3 TWh | 10.3 mi |
| York Energy Center | Delta, PA | 8.8 TWh | 9.7 mi |