Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Herbert Farm Solar | SMECO Solar LLC | Hughesville, MD | PJM Interconnection, LLC (PJM) | 6.5 GWh | Oct 2012 | Dec 2025 | Solar |
| Hollins Ferry CSG | ICFTS MD Solar, LLC | Halethorpe, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2021 | Dec 2025 | Solar |
| Holly Spring Meadows | Standard Solar | District Heights, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Jun 2023 | Dec 2025 | Solar |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2020 | Dec 2025 | Solar |
| IGS Solar I - BWI2 | Madison Energy Holdings LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jan 2017 | Dec 2025 | Solar |
| IGS Solar I - BWI5 | CleanCapital Holdings | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Nov 2016 | Dec 2024 | Solar |
| IKEA College Park 411 | IKEA Property Inc | College Park, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Jan 2012 | Dec 2025 | Solar |
| IKEA Perryville 460 | IKEA Property Inc | Perryville, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Jan 2013 | Dec 2024 | Solar |
| Jade Meadow LLC | Jade Meadow LLC | Midland, MD | PJM Interconnection, LLC (PJM) | 32.1 GWh | Feb 2024 | Dec 2025 | Solar |
| Jones Farm Solar | Urban Grid Solar | Millington, MD | PJM Interconnection, LLC (PJM) | 124.2 GWh | May 2025 | May 2026 | Solar |
| KDC Solar CV Animal Control LLC | KDC Solar CV Animal Control LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Oct 2023 | Dec 2025 | Solar |
| KDC Solar CV Ascend One LLC | KDC Solar CV Ascend One LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Apr 2023 | Dec 2025 | Solar |
| KDC Solar CV Cedar Lane Park LLC | KDC Solar CV Cedar Lane Park LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Oct 2023 | Dec 2025 | Solar |
| KDC Solar CV Central MD Regional Transit | KDC Solar CV Central MD Regional Transit LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Apr 2023 | Dec 2025 | Solar |
| KDC Solar CV O'Donnell Property LLC | KDC Solar CV O'Donnell Property LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Jun 2023 | Dec 2025 | Solar |
| KDC Solar TC Blandair Park LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Sep 2022 | Dec 2025 | Solar |
| KDC Solar TC George Howard LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Sep 2022 | Dec 2025 | Solar |
| KDC Solar TC Little Patuxent WWTP LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Sep 2022 | Dec 2024 | Solar |
| Kelso Community Solar I | Kelso Community Solar I LLC | Essex, MD | PJM Interconnection, LLC (PJM) | 747.0 MWh | Jun 2025 | Dec 2025 | Solar |
| Kelso Community Solar II | Kelso Community Solar II LLC | Essex, MD | PJM Interconnection, LLC (PJM) | 901.0 MWh | Jun 2025 | Dec 2025 | Solar |
| Kent County-Kennedyville | Terraform Arcadia | Kennedyville, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | Jul 2012 | Dec 2025 | Solar |
| Kent County - Worton Complex | Terraform Arcadia | Worton, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Jun 2012 | Nov 2025 | Solar |
| Key | Parkway Generation Keys Energy Center LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.4 TWh | Jun 2018 | May 2026 | Natural Gas |
| Kirby Road Solar, LLC | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | May 2021 | Dec 2025 | Solar |
| LeGore Bridge Solar Center | LeGore Bridge Solar Center, LLC | Keymar, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Nov 2025 | Dec 2025 | Solar |
| Lion One | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | Dec 2025 | Solar |
| Livingston Crossing (CSG) | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 1.0 GWh | Jun 2025 | Dec 2025 | Solar |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 19.9 GWh | Jan 2016 | May 2026 | Solar |
| Macy's MD Joppa Solar Project | Northstar Macy's Maryland 2015, LLC | Joppa, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Feb 2016 | May 2026 | Solar |
| Maryland Bioenergy Center (Jessup) | Bioenergy DevCo | Jessup, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Aug 2022 | Dec 2025 | Natural Gas |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.8 GWh | Aug 2013 | May 2026 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2020 | Dec 2025 | Solar |
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 716.0 MWh | Nov 2010 | Dec 2025 | Solar |
| MD BALTIMORE 4851 HOLABIRD AVE | PFMD LL Baltimore LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 825.0 MWh | Jun 2025 | Dec 2025 | Solar |
| MD CDG 001 | MD CDG 001 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | Dec 2025 | Solar |
| MD CDG 002 | MD CDG 002 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | Dec 2025 | Solar |
| MD - CPG - Ten Oaks | Solar DG MD Ten Oaks LLC | Glenelg, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Sep 2024 | Dec 2025 | Solar |
| MD - CS - BGE - PR24 TPE | Distributed Solar Development, LLC | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Aug 2022 | Dec 2025 | Solar |
| MD - CS - Potomac Edison Co - GA25 TPE ( | Distributed Solar Development, LLC | Accident, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | May 2022 | Dec 2025 | Solar |
| MD - CS - Potomac Edison Co - GA29 TPE | Forefront Power, LLC | Friendsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Dec 2020 | Dec 2024 | Solar |
| MD JESSUP 7950 OCEANO AVE | PFMD LL Jessup LLC | Jessup, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | Aug 2024 | Dec 2025 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Jul 2022 | Dec 2025 | Solar |
| MD - WL Gore - Appleton | Solar DG MD Appleton, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Feb 2025 | Dec 2025 | Solar |
| MD - WL Gore - Cherry Hill | Solar DG MD Cherry Hill, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 4.4 GWh | Feb 2025 | Dec 2025 | Solar |
| MEBA | Altus Power America Management, LLC | Easton, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Oct 2014 | Dec 2025 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 2023 | Dec 2025 | Solar |
| Millersville LFG | LES Operations Services LLC | Severn, MD | PJM Interconnection, LLC (PJM) | 20.9 GWh | Jun 2012 | Dec 2025 | Landfill Gas |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jan 2018 | Dec 2025 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2020 | Dec 2025 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Apr 2022 | Dec 2025 | Solar |
| MO33 CSG | TPE MD MO33 LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2022 | Dec 2025 | Solar |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Oct 2017 | Dec 2025 | Solar |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 229.0 GWh | Apr 1995 | May 2026 | Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Natural Gas : 2.1% |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | May 2018 | Dec 2025 | Solar |
| Morgantown Generating Plant | Lanyard Power Holdings, LLC | Newburg, MD | PJM Interconnection, LLC (PJM) | 22.4 GWh | May 1970 | May 2026 | Distillate Fuel Oil |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 16.8 GWh | Jun 2012 | May 2026 | Solar |
| Mustang One | Nautilus Solar Solutions | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Jan 2024 | Dec 2025 | Solar |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 123.4 GWh | Jun 2004 | May 2026 | Natural Gas |
| NIST Solar | Luminace Solar MC, LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 6.1 GWh | Nov 2018 | Dec 2025 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 19.2 GWh | May 1990 | May 2026 | Distillate Fuel Oil |
| Oaks Landfill - ANEM | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2024 | Dec 2025 | Solar |
| Oaks Landfill CS 1 | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | Dec 2025 | Solar |
| Oaks Landfill CS 2 | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | Dec 2025 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2021 | Dec 2025 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2021 | Dec 2025 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2022 | Dec 2025 | Solar |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Sep 2019 | Dec 2025 | Solar |
| P52ES 1755 Henryton Rd Phase 1 LLC CSG | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | May 2021 | Dec 2025 | Solar |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | May 2021 | Dec 2025 | Solar |
| Parker Place | Nautilus Solar Solutions | Salisbury, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Mar 2024 | Dec 2025 | Solar |
| Perdue Salisbury Photovoltaic | Terraform Arcadia | Salisbury, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | Aug 2011 | Dec 2025 | Solar |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 361.2 GWh | Dec 1971 | May 2026 | Natural Gas : 72.8% Distillate Fuel Oil : 27.2% |
| Pfeffers | Terraform Arcadia | Kingsville, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Apr 2016 | Dec 2025 | Solar |
| Philadelphia | Constellation Power Source Generation, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 9.3 GWh | Jul 1970 | Dec 2025 | Distillate Fuel Oil |
| Pinesburg Solar LLC | Madison Energy Holdings LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Apr 2020 | Dec 2025 | Solar |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2020 | Dec 2025 | Solar |
| Queen Anne's County | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2013 | Dec 2025 | Solar |
| Ripley | MN8 Energy LLC | La Plata, MD | PJM Interconnection, LLC (PJM) | 47.6 GWh | Mar 2023 | May 2026 | Solar |
| Rock Hall | Terraform Arcadia | Rock Hall, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Rockdale | Altus Power America Management, LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Sep 2019 | Nov 2025 | Solar |
| Rockfish Solar LLC | Rockfish Solar LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 13.8 GWh | Jul 2015 | Dec 2025 | Solar |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 24.8 GWh | Jul 2011 | May 2026 | Wind |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 99.2 GWh | Jul 2011 | May 2026 | Wind |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Aug 2021 | Dec 2025 | Solar |
| Sheriff Road | Sheriff Rd Solar LLC | Hyattsville, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Mar 2020 | Dec 2025 | Solar |
| Smith Island | A & N Electric Coop | Ewell, MD | PJM Interconnection, LLC (PJM) | 108.0 MWh | Nov 1969 | Dec 2025 | Distillate Fuel Oil |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | May 2021 | Dec 2025 | Solar |
| Sod Run WTP A | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2015 | Dec 2025 | Solar |
| Sol Phoenix | Greenbacker Renewable Energy Corporation | Capitol Heights, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Dec 2019 | Dec 2024 | Solar |
| Solar Hagerstown | Greenbacker Renewable Energy Corporation | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 15.9 GWh | Oct 2020 | Dec 2024 | Solar |
| Spectrum Solar Hybrid | Spectrum Solar LLC | Oxon Hill, MD | PJM Interconnection, LLC (PJM) | 10.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Apr 2015 | Dec 2025 | Solar |
| Spruce - WCMD - Resh I | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Feb 2016 | Dec 2025 | Solar |
| Spruce - WCMD - Rubble I | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2015 | Dec 2025 | Solar |
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Oct 2015 | Dec 2025 | Solar |
| Synergen Panorama, LLC CSG | Altus Power America Management, LLC | Fort Washington, MD | PJM Interconnection, LLC (PJM) | 8.3 GWh | Jun 2019 | Dec 2025 | Solar |
| Ten Oaks | Nautilus Solar Solutions | Clarksville, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2024 | Dec 2025 | Solar |
| THD Baltimore DC - 5830 Project Tiger | Distributed Solar Development, LLC | Edgemere, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Dec 2020 | Dec 2025 | Solar |
| THD Baltimore DCs - 5829 Project Lion | Distributed Solar Development, LLC | Edgemere, MD | PJM Interconnection, LLC (PJM) | 6.1 GWh | Dec 2020 | Dec 2025 | Solar |
| The Clorox Company | Tesla Inc. | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jul 2016 | Dec 2025 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Allegany County, MD | # 11 | 5 | 195.8 GWh |
| Anne Arundel County, MD | # 5 | 12 | 3.4 TWh |
| Baltimore city, MD | # 9 | 11 | 380.5 GWh |
| Baltimore County, MD | # 17 | 29 | 70.0 GWh |
| Calvert County, MD | # 1 | 3 | 14.9 TWh |
| Caroline County, MD | # 21 | 2 | 17.8 GWh |
| Carroll County, MD | # 20 | 4 | 24.4 GWh |
| Cecil County, MD | # 4 | 9 | 3.7 TWh |
| Charles County, MD | # 3 | 6 | 3.8 TWh |
| Dorchester County, MD | # 13 | 7 | 93.8 GWh |
| Frederick County, MD | # 16 | 11 | 70.9 GWh |
| Garrett County, MD | # 8 | 16 | 701.4 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Harford County, MD | # 6 | 19 | 2.0 TWh |
| Howard County, MD | # 15 | 25 | 74.2 GWh |
| Kent County, MD | # 22 | 6 | 17.3 GWh |
| Montgomery County, MD | # 7 | 18 | 780.3 GWh |
| Prince George's County, MD | # 2 | 40 | 8.0 TWh |
| Queen Anne's County, MD | # 10 | 9 | 310.4 GWh |
| Somerset County, MD | # 12 | 7 | 158.0 GWh |
| Talbot County, MD | # 23 | 3 | 14.2 GWh |
| Washington County, MD | # 14 | 20 | 77.4 GWh |
| Wicomico County, MD | # 18 | 8 | 44.5 GWh |
| Worcester County, MD | # 19 | 5 | 34.3 GWh |