Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Calvert Cliffs Nuclear Power Plant | Constellation Nuclear | Lusby, MD | PJM Interconnection, LLC (PJM) | 14.9 TWh | Apr 1975 | May 2026 | Nuclear |
| Key | Parkway Generation Keys Energy Center LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.4 TWh | Jun 2018 | May 2026 | Natural Gas |
| CPV St Charles Energy Center | CPV Maryland LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 3.7 TWh | Jan 2017 | May 2026 | Natural Gas |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.2 TWh | Mar 2018 | May 2026 | Natural Gas |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.0 TWh | Apr 1984 | May 2026 | Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2% |
| Chalk Point Power | Chalk Point Power, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 2.6 TWh | Jul 1964 | May 2026 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 1.6 TWh | Feb 1928 | May 2026 | Water |
| Brandywine Power Facility | Alpha Generation Brandywine, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 816.7 GWh | Jul 1996 | May 2026 | Natural Gas : 95.8% Distillate Fuel Oil : 4.2% |
| Essential Power Rock Springs LLC | Essential Power Operating Services LLC | Rising Sun, MD | PJM Interconnection, LLC (PJM) | 407.7 GWh | May 2003 | Dec 2025 | Natural Gas |
| 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% |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 356.6 GWh | Jan 1956 | May 2026 | Distillate Fuel Oil : 93.4% Natural Gas : 6.6% |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 313.4 GWh | Oct 1984 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Dickerson Power | Dickerson Power, LLC | Dickerson, MD | PJM Interconnection, LLC (PJM) | 299.5 GWh | May 1959 | May 2026 | Natural Gas : 87.6% Distillate Fuel Oil : 12.4% |
| Criterion | Criterion Power Partners LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 258.7 GWh | Nov 2010 | May 2026 | Wind |
| 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% |
| Dans Mountain | Dans Mountain Wind Force, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 163.7 GWh | Apr 2025 | May 2026 | Wind |
| Bluegrass Solar | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 151.7 GWh | Sep 2022 | May 2026 | Solar |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 135.1 GWh | Feb 2018 | May 2026 | Solar |
| Jones Farm Solar | Urban Grid Solar | Millington, MD | PJM Interconnection, LLC (PJM) | 124.2 GWh | May 2025 | May 2026 | Solar |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 123.4 GWh | Jun 2004 | May 2026 | Natural Gas |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 112.9 GWh | Nov 2014 | 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 |
| CPV Backbone Solar | CPV Backbone Solar, LLC | Swanton, MD | PJM Interconnection, LLC (PJM) | 96.2 GWh | Nov 2025 | May 2026 | Solar |
| Central Utility Plant at White Oak | GSA Metropolitan Service Center | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 96.0 GWh | Oct 2003 | May 2026 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| UMCP CHP Plant | Trigen-Cinergy Solutions College Park | College Park, MD | PJM Interconnection, LLC (PJM) | 84.4 GWh | May 2003 | Dec 2024 | Natural Gas : 90.0% Distillate Fuel Oil : 10.0% |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 79.3 GWh | Oct 2015 | May 2026 | Wind |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 49.4 GWh | May 1955 | May 2026 | Natural Gas : 91.5% Residual Fuel Oil : 8.5% |
| Ripley | MN8 Energy LLC | La Plata, MD | PJM Interconnection, LLC (PJM) | 47.6 GWh | Mar 2023 | May 2026 | Solar |
| APG Combined Heat and Power Plant | US Dept of Army, Garrison, APG | Edgewood, MD | PJM Interconnection, LLC (PJM) | 47.1 GWh | Nov 2016 | Dec 2025 | Natural Gas |
| Egypt Road Solar | Urban Grid Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 44.3 GWh | Nov 2025 | May 2026 | Solar |
| Fairview Farms | Madison Energy Investments LLC | Bel Air, MD | PJM Interconnection, LLC (PJM) | 37.5 GWh | Nov 2024 | May 2026 | Solar |
| Jade Meadow LLC | Jade Meadow LLC | Midland, MD | PJM Interconnection, LLC (PJM) | 32.1 GWh | Feb 2024 | Dec 2025 | Solar |
| Todd Solar | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 31.5 GWh | Jun 2021 | Dec 2025 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.8 GWh | Aug 2013 | May 2026 | 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 |
| Annapolis Solar Park, LLC | Novis Renewables, LLC | Annapolis, MD | PJM Interconnection, LLC (PJM) | 22.9 GWh | Jul 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 |
| Millersville LFG | LES Operations Services LLC | Severn, MD | PJM Interconnection, LLC (PJM) | 20.9 GWh | Jun 2012 | Dec 2025 | Landfill Gas |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 19.9 GWh | Jan 2016 | May 2026 | Solar |
| Fort Detrick Solar PV | Montevue Lane Solar, LLC | Frederick, MD | PJM Interconnection, LLC (PJM) | 19.7 GWh | Jan 2016 | Dec 2025 | Solar |
| Eastern Landfill Gas LLC | NextEra Renewable Fuels, LLC | White Marsh, MD | PJM Interconnection, LLC (PJM) | 19.3 GWh | Sep 2006 | Dec 2025 | Landfill Gas |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 19.2 GWh | May 1990 | May 2026 | Distillate Fuel Oil |
| Wye Mills VNEM CSG | Tesla Inc. | Queen Anne, MD | PJM Interconnection, LLC (PJM) | 17.1 GWh | Jul 2016 | Dec 2025 | Solar |
| Costen Solar | Costen Solar LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 17.0 GWh | Jul 2024 | Dec 2025 | Solar |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 16.8 GWh | Jun 2012 | May 2026 | Solar |
| Cherrywood Solar I | Cherrywood Solar, LLC | Greensboro, MD | PJM Interconnection, LLC (PJM) | 16.5 GWh | - | May 2026 | Solar |
| Solar Hagerstown | Greenbacker Renewable Energy Corporation | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 15.9 GWh | Oct 2020 | Dec 2024 | Solar |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 14.4 GWh | Jun 1925 | Dec 2025 | Water |
| Gateway Solar | Luminace Solar MC, LLC | Berlin, MD | PJM Interconnection, LLC (PJM) | 14.4 GWh | Feb 2019 | Dec 2025 | Solar |
| Baker Point | Cypress Creek Renewables | Thurmont, MD | PJM Interconnection, LLC (PJM) | 14.1 GWh | Sep 2016 | Dec 2025 | Solar |
| Wicomico | Industrial Power Generating Company LLC | Salisbury, MD | PJM Interconnection, LLC (PJM) | 14.0 GWh | Apr 2007 | Dec 2025 | Landfill Gas : 93.6% Distillate Fuel Oil : 6.4% |
| Rockfish Solar LLC | Rockfish Solar LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 13.8 GWh | Jul 2015 | Dec 2025 | Solar |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 13.8 GWh | Jul 1987 | May 2026 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 11.8 GWh | Mar 2022 | Dec 2025 | Solar |
| Blue Star | Greenbacker Renewable Energy Corporation | Massey, MD | PJM Interconnection, LLC (PJM) | 11.5 GWh | Feb 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 |
| Biggs Ford Solar Center | Biggs Ford Solar Center, LLC | Walkersville, MD | PJM Interconnection, LLC (PJM) | 10.1 GWh | Jul 2025 | Dec 2025 | Solar |
| Bomber CSG | Hampstead Solar, LLC | Hampstead, MD | PJM Interconnection, LLC (PJM) | 9.6 GWh | Nov 2021 | 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 |
| Synergen Panorama, LLC CSG | Altus Power America Management, LLC | Fort Washington, MD | PJM Interconnection, LLC (PJM) | 8.3 GWh | Jun 2019 | Dec 2025 | Solar |
| Beech Road (CSG) | Nautilus Solar Solutions | Temple Hill, MD | PJM Interconnection, LLC (PJM) | 7.9 GWh | Jul 2024 | Dec 2025 | Solar |
| Easton 2 | Easton Utilities Comm | Easton, MD | PJM Interconnection, LLC (PJM) | 6.6 GWh | Feb 1978 | May 2026 | Distillate Fuel Oil |
| Herbert Farm Solar | SMECO Solar LLC | Hughesville, MD | PJM Interconnection, LLC (PJM) | 6.5 GWh | Oct 2012 | Dec 2025 | Solar |
| NIST Solar | Luminace Solar MC, LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 6.1 GWh | Nov 2018 | 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 |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 5.7 GWh | Apr 2016 | May 2026 | Solar |
| CNE at Cambridge MD | Luminace Solar Maryland II, LLC | Cambridge, MD | PJM Interconnection, LLC (PJM) | 5.6 GWh | Mar 2015 | Dec 2025 | Solar |
| Easton | Easton Utilities Comm | Easton, MD | PJM Interconnection, LLC (PJM) | 5.2 GWh | Oct 1954 | May 2026 | Distillate Fuel Oil |
| Parker Place | Nautilus Solar Solutions | Salisbury, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Mar 2024 | Dec 2025 | Solar |
| Vienna Operations | NRG Vienna Operations Inc | Vienna, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Dec 1967 | Dec 2024 | Residual Fuel Oil : 91.4% Distillate Fuel Oil : 8.6% |
| 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 |
| Friendship I | Altus Power America Management, LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 4.4 GWh | Mar 2023 | Dec 2025 | Solar |
| Friendship II | Altus Power America Management, LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 4.3 GWh | Mar 2023 | Dec 2025 | Solar |
| UMMS at Pocomoke | Luminace Solar Maryland II, LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 4.3 GWh | Jan 2013 | Dec 2025 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2022 | Dec 2025 | Solar |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Sep 2018 | Dec 2024 | Solar |
| FFP - MD Foxhall | FFP MD Freeland Project1, LLC | Freeland, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Jul 2023 | Dec 2025 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Jul 2022 | Dec 2025 | Solar |
| Chester Woods Point Solar, LLC CSG | Chester Woods Point Solar, LLC | Chester, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | May 2019 | Dec 2025 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Oct 2023 | 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 |
| Chaberton Solar Catherine | Pivot Energy | Cooksville, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Apr 2024 | 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 |
| MD - CS - Potomac Edison Co - GA29 TPE | Forefront Power, LLC | Friendsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Dec 2020 | Dec 2024 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 2023 | Dec 2025 | Solar |
| Burns Solar One LLC | Nautilus Solar Solutions | Reisterstown, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2020 | 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 |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | May 2021 | Dec 2025 | Solar |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Oct 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 |
| BTC2 Solar (CSG) | Nautilus Solar Solutions | Kingsville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Jun 2019 | Dec 2025 | Solar |
| Big Spring Solar (CSG) | AES Clean Energy | Clear Spring, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Oct 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 |
| Lion One | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | Dec 2025 | Solar |
| City of Bowie | Tesla Inc. | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | May 2021 | Dec 2025 | Solar |
| Sol Phoenix | Greenbacker Renewable Energy Corporation | Capitol Heights, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Dec 2019 | Dec 2024 | Solar |
| Oaks Landfill CS 2 | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | Dec 2025 | Solar |
| Ten Oaks | Nautilus Solar Solutions | Clarksville, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2024 | Dec 2025 | Solar |
| Oaks Landfill - ANEM | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2024 | 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 |
Browse Power Plants By Maryland Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Calvert County, MD | # 1 | 3 | 14.9 TWh |
| Prince George's County, MD | # 2 | 40 | 8.0 TWh |
| Charles County, MD | # 3 | 6 | 3.8 TWh |
| Cecil County, MD | # 4 | 9 | 3.7 TWh |
| Anne Arundel County, MD | # 5 | 12 | 3.4 TWh |
| Harford County, MD | # 6 | 19 | 2.0 TWh |
| Montgomery County, MD | # 7 | 18 | 780.3 GWh |
| Garrett County, MD | # 8 | 16 | 701.4 GWh |
| Baltimore city, MD | # 9 | 11 | 380.5 GWh |
| Queen Anne's County, MD | # 10 | 9 | 310.4 GWh |
| Allegany County, MD | # 11 | 5 | 195.8 GWh |
| Somerset County, MD | # 12 | 7 | 158.0 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Dorchester County, MD | # 13 | 7 | 93.8 GWh |
| Washington County, MD | # 14 | 20 | 77.4 GWh |
| Howard County, MD | # 15 | 25 | 74.2 GWh |
| Frederick County, MD | # 16 | 11 | 70.9 GWh |
| Baltimore County, MD | # 17 | 29 | 70.0 GWh |
| Wicomico County, MD | # 18 | 8 | 44.5 GWh |
| Worcester County, MD | # 19 | 5 | 34.3 GWh |
| Carroll County, MD | # 20 | 4 | 24.4 GWh |
| Caroline County, MD | # 21 | 2 | 17.8 GWh |
| Kent County, MD | # 22 | 6 | 17.3 GWh |
| Talbot County, MD | # 23 | 3 | 14.2 GWh |