Keystone Solar
979 Deaver Rd., Quarryville, PA 17566Plant Summary Information
Keystone Solar is ranked #31 out of 66 solar farms in Pennsylvania in terms of total annual net electricity generation.
Keystone Solar generated 2.2 GWh during the 3-month period between February 2026 to May 2026.
| Plant Name | Keystone Solar |
|---|---|
| Utility Name | Altus Power America Management, LLC |
| Location | Lancaster County, PA |
| Initial Operation Date | September 2012 |
| Last Update | May 2026 |
| Annual Generation | 7.1 GWh |
| Annual Consumption | 26.8 k MMBtu |
| Ranked #7,355 out of 13,081 Power Plants Nationwide | |
| Ranked #2,846 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #179 out of 250 Pennsylvania Power Plants | |
| Ranked #31 out of 66 Pennsylvania Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Keystone Solar, LLC (2013 to 2021) Altus Power America Management, LLC (2022 to 2025) |
Map of Keystone Solar
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Keystone Solar.
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 May 2026 |
| Initial Operation Date | September 2012 |
| Annual Generation | 7.1 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 |
|---|---|---|---|
| #2836 | SR Warren, LLC | Franklin, KY | 7.2 GWh |
| #2837 | Watervliet PV | Watervliet, MI | 7.2 GWh |
| #2838 | Water Street Solar | Randolph, ME | 7.2 GWh |
| #2839 | Arthur Solar, LLC | Tabor City, NC | 7.1 GWh |
| #2840 | Sullivan Solar, LLC | Sullivan, IN | 7.1 GWh |
| #2841 | Samarcand Solar Farm, LLC | Biscoe, NC | 7.1 GWh |
| #2842 | St. Pauls Solar 1, LLC | St. Pauls, NC | 7.1 GWh |
| #2843 | Saratoga Solar LLC | Milton, NY | 7.1 GWh |
| #2844 | Blanchard Road 1 Community Solar | Clayton, NY | 7.1 GWh |
| #2845 | Amazon JFK8 Solar Project | Staten Island, NY | 7.1 GWh |
| #2847 | Tides Lane Farm | Louisburg, NC | 7.1 GWh |
| #2848 | Mass Midstate Solar 1 | Warren, MA | 7.1 GWh |
| #2849 | Fisher Road Solar | Dartmouth, MA | 7.1 GWh |
| #2850 | Seagrove | Seagrove, NC | 7.1 GWh |
| #2851 | Iron Horse Solar 4, LLC | North Billerica, MA | 7.1 GWh |
| #2852 | Athens AT01 | Athens, ME | 7.1 GWh |
| #2853 | Talco Solar Project | Talco, TX | 7.1 GWh |
| #2854 | Ft. Churchill PV | Yerington, NV | 7.1 GWh |
| #2855 | Glenville Solar (CSG) | Glenville, NY | 7.1 GWh |
| #2856 | Yanceyville Farm | Blanch, NC | 7.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Keystone Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Conowingo | Darlington, MD | 1.6 TWh | 14.3 mi |
| Dart Container Corp | Leola, PA | 50.6 GWh | 15.8 mi |
| Ephrata PA BTM | Lancaster, PA | 291.0 MWh | 22.8 mi |
| Essential Power Rock Springs LLC | Rising Sun, MD | 407.7 GWh | 10.3 mi |
| Frey Farm Landfill | Conestoga, PA | 15.3 GWh | 13.6 mi |
| Holtwood | Holtwood, PA | 833.4 GWh | 6.3 mi |
| IKEA Perryville 460 | Perryville, MD | 3.2 GWh | 22.5 mi |
| L&S Sweetners | Leola, PA | 22.3 GWh | 16.4 mi |
| Lanchester Generating Station | Narvon, PA | 13.4 GWh | 22.3 mi |
| Marlboro Mushrooms Solar Field | West Grove, PA | 1.3 GWh | 20.8 mi |
| Martin Limestone Solar Array | New Holland, PA | 1.5 GWh | 19 mi |
| Mason Solar One LLC | Elkton, MD | 1.9 GWh | 19.9 mi |
| Meeting House | North East, MD | 3.8 GWh | 18.3 mi |
| Mount Joy Wire | Mount Joy, PA | 5.1 GWh | 21.8 mi |
| Peach Bottom | Delta, PA | 22.0 TWh | 7.5 mi |
| PPL Frey Farm Landfill Wind | Conestoga, PA | 3.5 GWh | 14.2 mi |
| Safe Harbor | Conestoga, PA | 860.6 GWh | 10 mi |
| SECCRA Community Landfill | West Grove, PA | 2.0 GWh | 20.1 mi |
| Wildcat Point Generation Facility | Conowingo, MD | 3.2 TWh | 10.3 mi |
| York Energy Center | Delta, PA | 8.9 TWh | 9.7 mi |