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) | 14.7 TWh | Apr 1975 | Oct 2024 | Nuclear |
| Keys Energy Center | PSEG Keys Energy Center, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 5.0 TWh | Jun 2018 | Oct 2024 | Natural Gas |
| CPV St Charles Energy Center | CPV Maryland LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 3.9 TWh | Jan 2017 | Oct 2024 | Natural Gas |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.3 TWh | Mar 2018 | Oct 2024 | Natural Gas |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 2.0 TWh | Feb 1928 | Oct 2024 | Water |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.8 TWh | Apr 1984 | Oct 2024 | Bituminous Coal : 98.6% Distillate Fuel Oil : 1.4% |
| Chalk Point Power | Lanyard Power Holdings, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 962.2 GWh | Jul 1964 | Oct 2024 | Natural Gas : 99.5% |
| 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% |
| Brandywine Power Facility | KMC Thermo, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 553.2 GWh | Jul 1996 | Oct 2024 | Natural Gas : 99.6% |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 316.1 GWh | Oct 1984 | Oct 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 292.3 GWh | Apr 1995 | Oct 2024 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.9% |
| Criterion | Criterion Power Partners LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 237.7 GWh | Nov 2010 | Oct 2024 | Wind |
| Essential Power Rock Springs LLC | Essential Power Operating Services LLC | Rising Sun, MD | PJM Interconnection, LLC (PJM) | 213.7 GWh | May 2003 | Dec 2023 | Natural Gas |
| Bluegrass Solar | Bluegrass Solar, LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 159.0 GWh | Sep 2022 | Oct 2024 | Solar |
| Dickerson Power | Lanyard Power Holdings, LLC | Dickerson, MD | PJM Interconnection, LLC (PJM) | 154.3 GWh | May 1959 | Oct 2024 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 154.1 GWh | Jun 2004 | Oct 2024 | Natural Gas |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 150.2 GWh | Jan 1956 | Aug 2024 | Distillate Fuel Oil : 71.9% Natural Gas : 12.4% Residual Fuel Oil : 10.5% Bituminous Coal : 5.1% |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 149.3 GWh | Dec 1971 | Oct 2024 | Natural Gas : 94.5% Distillate Fuel Oil : 5.5% |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 139.0 GWh | Feb 2018 | Oct 2024 | Solar |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 110.0 GWh | Nov 2014 | Oct 2024 | Wind |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 91.4 GWh | Jul 2011 | Oct 2024 | Wind |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 80.1 GWh | Oct 2015 | Oct 2024 | Wind |
| UMCP CHP Plant | Trigen-Cinergy Solutions College Park | College Park, MD | PJM Interconnection, LLC (PJM) | 75.5 GWh | May 2003 | Dec 2023 | Natural Gas : 96.3% Distillate Fuel Oil : 3.7% |
| Central Utility Plant at White Oak | GSA Metropolitan Service Center | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 74.1 GWh | Oct 2003 | Oct 2024 | Natural Gas : 99.9% |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 54.8 GWh | May 1955 | Oct 2024 | Natural Gas : 99.6% |
| Ripley | Conductive Power | La Plata, MD | PJM Interconnection, LLC (PJM) | 52.7 GWh | Mar 2023 | Oct 2024 | Solar |
| APG Combined Heat and Power Plant | US Dept of Army, Garrison, APG | Edgewood, MD | PJM Interconnection, LLC (PJM) | 49.7 GWh | Nov 2016 | Dec 2023 | Natural Gas |
| Todd Solar | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 43.5 GWh | Jun 2021 | Dec 2023 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 31.4 GWh | Aug 2013 | Oct 2024 | Solar |
| Eastern Landfill Gas LLC | Energy Power Partners | White Marsh, MD | PJM Interconnection, LLC (PJM) | 25.1 GWh | Sep 2006 | Dec 2023 | Landfill Gas |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 23.4 GWh | Jan 2016 | Oct 2024 | Solar |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 22.9 GWh | Jul 2011 | Oct 2024 | Wind |
| Annapolis Solar Park, LLC | Annapolis Solar Park, LLC | Annapolis, MD | PJM Interconnection, LLC (PJM) | 22.8 GWh | Jul 2018 | Dec 2023 | Solar |
| Millersville LFG | LES Operations Services LLC | Severn, MD | PJM Interconnection, LLC (PJM) | 22.1 GWh | Jun 2012 | Dec 2023 | Landfill Gas |
| Fort Detrick Solar PV | Montevue Lane Solar, LLC | Frederick, MD | PJM Interconnection, LLC (PJM) | 20.6 GWh | Jan 2016 | Dec 2023 | Solar |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 19.7 GWh | Jun 1925 | Dec 2023 | Water |
| Wye Mills VNEM CSG | Tesla Inc. | Queen Anne, MD | PJM Interconnection, LLC (PJM) | 18.9 GWh | Jul 2016 | Dec 2023 | Solar |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 17.8 GWh | Jun 2012 | Oct 2024 | Solar |
| Solar Hagerstown | Greenbacker Renewable Energy Corporation | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 17.2 GWh | Oct 2020 | Dec 2023 | Solar |
| Wicomico | Industrial Power Generating Company LLC | Salisbury, MD | PJM Interconnection, LLC (PJM) | 15.4 GWh | Apr 2007 | Dec 2023 | Landfill Gas : 93.9% Distillate Fuel Oil : 6.1% |
| Rockfish Solar LLC | Rockfish Solar LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 14.6 GWh | Jul 2015 | Dec 2023 | Solar |
| Baker Point | Cypress Creek Renewables | Thurmont, MD | PJM Interconnection, LLC (PJM) | 12.9 GWh | Sep 2016 | Dec 2023 | Solar |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 12.3 GWh | Mar 2022 | Dec 2023 | Solar |
| Blue Star | Greenbacker Renewable Energy Corporation | Massey, MD | PJM Interconnection, LLC (PJM) | 12.1 GWh | Feb 2020 | Dec 2023 | Solar |
| Gateway Solar | Luminace Solar MC, LLC | Berlin, MD | PJM Interconnection, LLC (PJM) | 10.0 GWh | Feb 2019 | Dec 2023 | Solar |
| Bomber CSG | Hampstead Solar, LLC | Hampstead, MD | PJM Interconnection, LLC (PJM) | 9.0 GWh | Nov 2021 | Dec 2023 | Solar |
| Synergen Panorama, LLC CSG | Altus Power America Management, LLC | Fort Washington, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Jun 2019 | Dec 2023 | Solar |
| Pinesburg Solar LLC | Madison Energy Holdings LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Apr 2020 | Dec 2023 | Solar |
| Herbert Farm Solar | SMECO Solar LLC | Hughesville, MD | PJM Interconnection, LLC (PJM) | 7.6 GWh | Oct 2012 | Dec 2023 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 7.5 GWh | Apr 2016 | Oct 2024 | Solar |
| NIST Solar | Constellation New Energy Inc. | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 6.8 GWh | Nov 2018 | Dec 2023 | Solar |
| CNE at Cambridge MD | Luminace Solar Maryland II, LLC | Cambridge, MD | PJM Interconnection, LLC (PJM) | 5.9 GWh | Mar 2015 | Dec 2023 | Solar |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 5.7 GWh | Jul 1987 | Jul 2023 | Wood/Wood Waste Solids : 95.8% Distillate Fuel Oil : 4.2% |
| IKEA Perryville 460 | IKEA Property Inc | Perryville, MD | PJM Interconnection, LLC (PJM) | 5.1 GWh | Jan 2013 | Dec 2023 | Solar |
| UMMS at Pocomoke | Luminace Solar Maryland II, LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 5.1 GWh | Jan 2013 | Dec 2023 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.4 GWh | Jul 2022 | Dec 2023 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 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 |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | Sep 2018 | 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 |
| Chester Woods Point Solar, LLC CSG | Chester Woods Point Solar, LLC | Chester, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | May 2019 | Dec 2023 | Solar |
| Sol Phoenix | Greenbacker Renewable Energy Corporation | Capitol Heights, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | Dec 2019 | Dec 2023 | Solar |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Nov 2020 | Dec 2023 | Solar |
| MD - CS - Potomac Edison Co - GA29 TPE | Forefront Power, LLC | Friendsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Dec 2020 | Dec 2023 | Solar |
| Bluefin Origination 1 | Bluefin Origination 1, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Oct 2019 | Dec 2023 | Solar |
| City of Bowie | Tesla Inc. | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | May 2021 | Dec 2023 | Solar |
| BTC2 Solar (CSG) | Nautilus Solar Solutions | Kingsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jun 2019 | Dec 2023 | Solar |
| Gibbons CSG | Nautilus Solar Solutions | Snow Hill, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2019 | Dec 2023 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Apr 2022 | Dec 2023 | Solar |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | May 2021 | Dec 2023 | Solar |
| Frederick County - Landfill | Tesla Inc. | Frederick, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Jul 2019 | Dec 2023 | Solar |
| Burns Solar One LLC | Nautilus Solar Solutions | Reisterstown, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2020 | Dec 2023 | Solar |
| Wor-Wic Community College - Offsite | Tesla Inc. | Hebron, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2019 | Dec 2023 | Solar |
| Friendship II | Greenbacker Renewable Energy Corporation | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2023 | Dec 2023 | Solar |
| FedEx Field Solar Facility | NRG Solar Arrowhead LLC | Landover, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Aug 2011 | Dec 2022 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Jan 2018 | Dec 2023 | Solar |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Aug 2021 | Dec 2023 | Solar |
| Friendship I | Greenbacker Renewable Energy Corporation | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Mar 2023 | Dec 2023 | Solar |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Sep 2019 | Dec 2023 | Solar |
| City of Havre De Grace C | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2015 | Dec 2023 | Solar |
| Sod Run WTP A | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2015 | Dec 2023 | Solar |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2020 | Dec 2023 | Solar |
| Archdiocese of Baltimore J | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2015 | Dec 2023 | Solar |
| Archdiocese of Baltimore L | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2015 | Dec 2023 | Solar |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Oct 2020 | Dec 2023 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2021 | Dec 2023 | Solar |
| Cecil County CCVT HS | SunE DB42, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2023 | Solar |
| Baltimore City D | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Nov 2015 | Dec 2023 | Solar |
| Timonium Fairgrounds | Madison Energy Holdings LLC | Timonium, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Sep 2020 | Dec 2023 | Solar |
| P52ES 1755 Henryton Rd Phase 1 LLC CSG | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | May 2021 | Dec 2023 | Solar |
| White CSG | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Dec 2019 | Dec 2023 | Solar |
| Baltimore City F | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Nov 2015 | Dec 2023 | Solar |
| Baltimore City B | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Nov 2015 | Dec 2023 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2021 | Dec 2023 | Solar |
| Baltimore City G | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2015 | Dec 2023 | Solar |
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Oct 2015 | Dec 2023 | Solar |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Sep 2018 | Dec 2023 | Solar |
| Spruce - WCMD - Rubble I | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2015 | Dec 2023 | Solar |
| Maryland Bioenergy Center (Jessup) | Bioenergy DevCo | Jessup, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2022 | Dec 2023 | Natural Gas |
| Vienna Operations | NRG Vienna Operations Inc | Vienna, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Dec 1967 | Dec 2023 | Residual Fuel Oil : 89.4% Distillate Fuel Oil : 10.6% |
Browse Power Plants By Maryland Counties
Figures are based on October 2024 generation numbers.| County | State Rank | Active Plants | Oct 2024 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 | 3.5 TWh |
| Harford County, MD | # 5 | 18 | 2.2 TWh |
| Anne Arundel County, MD | # 6 | 9 | 2.0 TWh |
| Allegany County, MD | # 7 | 4 | 725.5 GWh |
| Montgomery County, MD | # 8 | 18 | 696.9 GWh |
| Garrett County, MD | # 9 | 12 | 571.3 GWh |
| Baltimore city, MD | # 10 | 11 | 382.1 GWh |
| Queen Anne's County, MD | # 11 | 9 | 197.2 GWh |
| Somerset County, MD | # 12 | 7 | 154.5 GWh |
| County | State Rank | Active Plants | Oct 2024 Generation |
|---|---|---|---|
| Washington County, MD | # 13 | 19 | 78.7 GWh |
| Baltimore County, MD | # 14 | 25 | 60.5 GWh |
| Frederick County, MD | # 15 | 11 | 58.5 GWh |
| Dorchester County, MD | # 16 | 6 | 55.8 GWh |
| Wicomico County, MD | # 17 | 7 | 43.9 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 |
| Caroline County, MD | # 22 | 2 | 2.6 GWh |
| Talbot County, MD | # 23 | 3 | 547.0 MWh |