Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Bowie State Solar | Terraform Arcadia | Bowie, MD | PJM Interconnection, LLC (PJM) | 342.0 MWh | Feb 2018 | Dec 2025 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Jul 2022 | Dec 2025 | Solar |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 123.0 GWh | Jun 2004 | Aug 2026 | Natural Gas |
| Berlin | Town of Berlin - (MD) | Berlin, MD | PJM Interconnection, LLC (PJM) | 59.0 MWh | May 1961 | Dec 2025 | Distillate Fuel Oil : 57.7% Natural Gas : 42.3% |
| Gateway Solar | Luminace Solar MC, LLC | Berlin, MD | PJM Interconnection, LLC (PJM) | 14.4 GWh | Feb 2019 | Dec 2025 | Solar |
| GWCC PV Solar Farm | GWCC PV Solar Farm | Beltsville, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Dec 2014 | 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 |
| 4622 Mercedes Dr Solar, LLC | SRC Partnership 13, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2023 | Dec 2025 | Solar |
| Fairview Farms | Madison Energy Investments LLC | Bel Air, MD | PJM Interconnection, LLC (PJM) | 48.8 GWh | Nov 2024 | Aug 2026 | Solar |
| White Marsh Mall | White Marsh Mall | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.0 GWh | Nov 2015 | Dec 2024 | Solar |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.0 TWh | Apr 1984 | Aug 2026 | Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1% |
| White CSG | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Dec 2019 | 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 |
| CPG - Duke 5300A Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2022 | Dec 2025 | Solar |
| CPG - Duke 5300B Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Nov 2022 | Dec 2025 | Solar |
| CPG - Duke 5900 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Nov 2022 | Dec 2025 | Solar |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 371.6 GWh | Jan 1956 | Aug 2026 | Distillate Fuel Oil : 92.8% Natural Gas : 7.2% |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 316.5 GWh | Oct 1984 | Aug 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| CPG - Duke 6000 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Nov 2022 | Dec 2025 | Solar |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 41.6 GWh | May 1955 | Aug 2026 | Natural Gas : 89.9% Residual Fuel Oil : 10.1% |
| 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 | May 2025 | Solar |
| Lion One | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | 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 |
| Back River Waste Water Treatment | Mayor and City Council of Baltimore City - (MD) | Baltimore, MD | PJM Interconnection, LLC (PJM) | 594.0 MWh | Dec 2008 | Dec 2024 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 21.5 GWh | May 1990 | Aug 2026 | Distillate Fuel Oil : 98.3% Natural Gas : 1.7% |
| Chalk Point Power | Chalk Point Power, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 2.9 TWh | Jul 1964 | Aug 2026 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
| Annapolis Solar Park, LLC | Novis Renewables, LLC | Annapolis, MD | PJM Interconnection, LLC (PJM) | 22.9 GWh | Jul 2018 | 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 |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Sep 2018 | Dec 2025 | Solar |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Sep 2018 | 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 August 2026 generation numbers.| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Talbot County, MD | # 23 | 3 | 12.7 GWh |
| Kent County, MD | # 22 | 6 | 23.0 GWh |
| Carroll County, MD | # 21 | 4 | 24.4 GWh |
| Worcester County, MD | # 20 | 5 | 34.3 GWh |
| Wicomico County, MD | # 19 | 11 | 44.7 GWh |
| Frederick County, MD | # 18 | 11 | 71.3 GWh |
| Howard County, MD | # 17 | 26 | 73.8 GWh |
| Baltimore County, MD | # 16 | 31 | 74.9 GWh |
| Washington County, MD | # 15 | 20 | 75.7 GWh |
| Caroline County, MD | # 14 | 2 | 129.9 GWh |
| Dorchester County, MD | # 13 | 8 | 153.4 GWh |
| Somerset County, MD | # 12 | 7 | 161.2 GWh |
| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Allegany County, MD | # 11 | 5 | 200.3 GWh |
| Queen Anne's County, MD | # 10 | 10 | 316.6 GWh |
| Baltimore city, MD | # 9 | 11 | 375.9 GWh |
| Garrett County, MD | # 8 | 24 | 794.4 GWh |
| Montgomery County, MD | # 7 | 18 | 833.3 GWh |
| Harford County, MD | # 6 | 20 | 1.9 TWh |
| Cecil County, MD | # 5 | 10 | 3.4 TWh |
| Anne Arundel County, MD | # 4 | 13 | 3.5 TWh |
| Charles County, MD | # 3 | 6 | 4.0 TWh |
| Prince George's County, MD | # 2 | 42 | 8.2 TWh |
| Calvert County, MD | # 1 | 3 | 14.9 TWh |