Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| White Marsh Solar | Nautilus Solar Solutions | White Marsh, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Nov 2020 | Dec 2023 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Oct 2020 | Dec 2023 | Solar |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2020 | Dec 2023 | Solar |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Oct 2020 | Dec 2023 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.4 GWh | Jul 2022 | Dec 2023 | Solar |
| Todd Solar | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 43.5 GWh | Jun 2021 | Dec 2023 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2021 | Dec 2023 | Solar |
| City of Bowie | Tesla Inc. | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | May 2021 | Dec 2023 | Solar |
| Bomber CSG | Hampstead Solar, LLC | Hampstead, MD | PJM Interconnection, LLC (PJM) | 9.0 GWh | Nov 2021 | Dec 2023 | Solar |
| Hollins Ferry CSG | ICFTS MD Solar, LLC | Halethorpe, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2021 | Dec 2023 | Solar |
| MD - CS - Potomac Edison Co - GA25 TPE (Community Solar) | Distributed Solar Development, LLC | Accident, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | May 2022 | Dec 2023 | Solar |
| MD - CS - BGE - PR24 TPE | Distributed Solar Development, LLC | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Aug 2022 | Dec 2023 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2021 | Dec 2023 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2022 | Dec 2023 | Solar |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Aug 2021 | Dec 2023 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Apr 2022 | Dec 2023 | Solar |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | May 2021 | Dec 2023 | Solar |
| Rockdale | Conductive Power | Williamsport, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Sep 2019 | Dec 2023 | Solar |
| Brookville Smart Bus Depot Microgrid | AlphaStruxure Service Co LP | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | Sep 2022 | Dec 2023 | Solar : 95.1% Natural Gas : 4.9% |
| WMATA - Naylor Rd. Metro | MN8 Energy LLC | Temple Hills, MD | PJM Interconnection, LLC (PJM) | 29.0 MWh | Oct 2023 | Dec 2023 | Solar |
| WMATA - S. Ave. Carport (East) (CSG) | MN8 Energy LLC | Hillcrest Heights, MD | PJM Interconnection, LLC (PJM) | 956.0 MWh | Jun 2023 | Dec 2023 | Solar |
| KDC Solar TC Little Patuxent WWTP LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 981.0 MWh | Sep 2022 | Dec 2023 | Solar |
| KDC Solar TC George Howard LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Sep 2022 | Dec 2023 | Solar |
| KDC Solar TC Blandair Park LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 1.1 GWh | Sep 2022 | Dec 2023 | Solar |
| Friendship I | Greenbacker Renewable Energy Corporation | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Mar 2023 | Dec 2023 | Solar |
| Friendship II | Greenbacker Renewable Energy Corporation | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2023 | Dec 2023 | Solar |
| Federalsburg Energy Storage 1 LLC | Convergent Energy and Power LP | Federaslburg, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Oct 2021 | Dec 2023 | Solar : 50.0% Electricity used for energy storage : 50.0% |
| CPG - Duke 5300A Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 5300B Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 5900 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 6000 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2022 | Dec 2023 | Solar |
| KDC Solar CV Ascend One LLC | KDC Solar CV Ascend One LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 761.0 MWh | Apr 2023 | Dec 2023 | Solar |
| KDC Solar CV Cedar Lane Park LLC | KDC Solar CV Cedar Lane Park LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 647.0 MWh | Oct 2023 | Dec 2023 | Solar |
| KDC Solar CV Central MD Regional Transit | KDC Solar CV Central MD Regional Transit LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 568.0 MWh | Apr 2023 | Dec 2023 | Solar |
| KDC Solar CV Animal Control LLC | KDC Solar CV Animal Control LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 634.0 MWh | Oct 2023 | Dec 2023 | Solar |
| KDC Solar CV O'Donnell Property LLC | KDC Solar CV O'Donnell Property LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 636.0 MWh | Jun 2023 | Dec 2023 | Solar |
| Holly Spring Meadows | Standard Solar | District Heights, MD | PJM Interconnection, LLC (PJM) | 656.0 MWh | Jun 2023 | Dec 2023 | Solar |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 12.3 GWh | Mar 2022 | Dec 2023 | Solar |
| FFP - MD Foxhall | FFP MD Freeland Project1, LLC | Freeland, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | Jul 2023 | Dec 2023 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Jul 2023 | Dec 2023 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 98.0 MWh | Oct 2023 | Dec 2023 | Solar |
| AES Warrior Run Cogeneration Facility | AES WR Ltd Partnership | Cumberland, MD | PJM Interconnection, LLC (PJM) | 726.4 GWh | Jul 1999 | Jun 2024 | Bituminous Coal : 99.8% |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 218.0 GWh | Jan 1956 | Feb 2025 | Distillate Fuel Oil : 87.3% Natural Gas : 12.7% |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.8 TWh | Apr 1984 | Mar 2025 | Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2% |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 169.9 GWh | Dec 1971 | Mar 2025 | Natural Gas : 82.5% Distillate Fuel Oil : 17.5% |
| Chalk Point Power | Lanyard Power Holdings, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 1.1 TWh | Jul 1964 | Mar 2025 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
| Dickerson Power | Lanyard Power Holdings, LLC | Dickerson, MD | PJM Interconnection, LLC (PJM) | 129.2 GWh | May 1959 | Mar 2025 | Natural Gas : 97.8% Distillate Fuel Oil : 2.2% |
| Morgantown Generating Plant | Lanyard Power Holdings, LLC | Newburg, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | May 1970 | Mar 2025 | Distillate Fuel Oil |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 1.5 TWh | Feb 1928 | Mar 2025 | Water |
| Easton | Easton Utilities Comm | Easton, MD | PJM Interconnection, LLC (PJM) | 202.0 MWh | Oct 1954 | Mar 2025 | Distillate Fuel Oil |
| Easton 2 | Easton Utilities Comm | Easton, MD | PJM Interconnection, LLC (PJM) | 921.0 MWh | Feb 1978 | Mar 2025 | Distillate Fuel Oil |
| Calvert Cliffs Nuclear Power Plant | Constellation Nuclear | Lusby, MD | PJM Interconnection, LLC (PJM) | 14.7 TWh | Apr 1975 | Mar 2025 | Nuclear |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 296.0 GWh | Oct 1984 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 1987 | Mar 2025 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 293.5 GWh | Apr 1995 | Mar 2025 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9% |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 51.4 GWh | May 1955 | Mar 2025 | Natural Gas : 92.0% Residual Fuel Oil : 8.0% |
| Brandywine Power Facility | KMC Thermo, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 550.7 GWh | Jul 1996 | Mar 2025 | Natural Gas : 94.5% Distillate Fuel Oil : 5.5% |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 155.9 GWh | Jun 2004 | Mar 2025 | Natural Gas |
| CPV St Charles Energy Center | CPV Maryland LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 3.9 TWh | Jan 2017 | Mar 2025 | Natural Gas |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 104.0 GWh | Jul 2011 | Mar 2025 | Wind |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 26.0 GWh | Jul 2011 | Mar 2025 | Wind |
| Criterion | Criterion Power Partners LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 258.5 GWh | Nov 2010 | Mar 2025 | Wind |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 17.7 GWh | Jun 2012 | Mar 2025 | Solar |
| Central Utility Plant at White Oak | GSA Metropolitan Service Center | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 78.1 GWh | Oct 2003 | Mar 2025 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 30.0 GWh | Aug 2013 | Mar 2025 | Solar |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 120.2 GWh | Nov 2014 | Mar 2025 | Wind |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 90.8 GWh | Oct 2015 | Mar 2025 | Wind |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.2 TWh | Mar 2018 | Mar 2025 | Natural Gas |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 139.5 GWh | Feb 2018 | Mar 2025 | Solar |
| Keys Energy Center | PSEG Keys Energy Center, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.9 TWh | Jun 2018 | Mar 2025 | Natural Gas |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 23.1 GWh | Jan 2016 | Mar 2025 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 7.3 GWh | Apr 2016 | Mar 2025 | Solar |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Mar 2014 | Mar 2025 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | May 1990 | Mar 2025 | Distillate Fuel Oil |
| Macy's MD Joppa Solar Project | Northstar Macy's Maryland 2015, LLC | Joppa, MD | PJM Interconnection, LLC (PJM) | 343.0 MWh | Feb 2016 | Mar 2025 | Solar |
| Bluegrass Solar | Bluegrass Solar, LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 158.9 GWh | Sep 2022 | Mar 2025 | Solar |
| Ripley | Conductive Power | La Plata, MD | PJM Interconnection, LLC (PJM) | 50.8 GWh | Mar 2023 | Mar 2025 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on March 2025 generation numbers.| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Calvert County, MD | # 1 | 2 | 14.7 TWh |
| Prince George's County, MD | # 2 | 34 | 6.6 TWh |
| Charles County, MD | # 3 | 6 | 3.9 TWh |
| Cecil County, MD | # 4 | 7 | 3.4 TWh |
| Anne Arundel County, MD | # 5 | 9 | 3.1 TWh |
| Harford County, MD | # 6 | 18 | 1.8 TWh |
| Allegany County, MD | # 7 | 4 | 725.5 GWh |
| Montgomery County, MD | # 8 | 18 | 676.2 GWh |
| Garrett County, MD | # 9 | 12 | 628.6 GWh |
| Baltimore city, MD | # 10 | 11 | 358.6 GWh |
| Queen Anne's County, MD | # 11 | 9 | 196.9 GWh |
| Somerset County, MD | # 12 | 7 | 153.0 GWh |
| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Washington County, MD | # 13 | 19 | 77.3 GWh |
| Baltimore County, MD | # 14 | 25 | 59.8 GWh |
| Frederick County, MD | # 15 | 11 | 58.4 GWh |
| Dorchester County, MD | # 16 | 6 | 55.8 GWh |
| Wicomico County, MD | # 17 | 7 | 43.6 GWh |
| Howard County, MD | # 18 | 21 | 36.8 GWh |
| Carroll County, MD | # 19 | 4 | 24.7 GWh |
| Kent County, MD | # 20 | 6 | 18.3 GWh |
| Worcester County, MD | # 21 | 4 | 13.6 GWh |
| Talbot County, MD | # 22 | 3 | 3.4 GWh |
| Caroline County, MD | # 23 | 2 | 2.6 GWh |