Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Kent County-Kennedyville | Terraform Arcadia | Kennedyville, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Jul 2012 | Dec 2023 | Solar |
| Rock Hall | Terraform Arcadia | Rock Hall, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Nov 2012 | Dec 2023 | Solar |
| Kent County - Worton Complex | Terraform Arcadia | Worton, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jun 2012 | Dec 2023 | Solar |
| Millersville LFG | LES Operations Services LLC | Severn, MD | PJM Interconnection, LLC (PJM) | 24.1 GWh | Jun 2012 | Dec 2023 | Landfill Gas |
| Alpha Ridge LFG | Howard County - Maryland | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Jun 2012 | Dec 2023 | Landfill Gas |
| UMMS at Pocomoke | Luminace Solar Maryland II, LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 5.4 GWh | Jan 2013 | Dec 2023 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 34.0 GWh | Aug 2013 | Jun 2024 | Solar |
| Herbert Farm Solar | SMECO Solar LLC | Hughesville, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Oct 2012 | Dec 2023 | Solar |
| Queen Anne's County | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2013 | Dec 2023 | Solar |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 116.2 GWh | Nov 2014 | Jun 2024 | Wind |
| Smith Island | A & N Electric Coop | Ewell, MD | PJM Interconnection, LLC (PJM) | 98.0 MWh | Nov 1969 | Dec 2023 | Distillate Fuel Oil |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 127.0 GWh | Jan 1956 | Jun 2024 | Distillate Fuel Oil : 45.8% Residual Fuel Oil : 21.9% Bituminous Coal : 21.0% Natural Gas : 11.3% |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 251.5 GWh | Dec 1971 | Jun 2024 | Natural Gas : 95.6% Distillate Fuel Oil : 4.4% |
| Philadelphia | Constellation Power Source Generation, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Jul 1970 | Dec 2023 | Distillate Fuel Oil |
| Crisfield | Calpine Mid-Atlantic Generation LLC | Crisfield, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Apr 1968 | Dec 2023 | Distillate Fuel Oil |
| Vienna Operations | NRG Vienna Operations Inc | Vienna, MD | PJM Interconnection, LLC (PJM) | 8.5 GWh | Dec 1967 | Dec 2023 | Residual Fuel Oil : 91.6% Distillate Fuel Oil : 8.4% |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 22.3 GWh | Jun 1925 | Dec 2023 | Water |
| Chalk Point Power | Lanyard Power Holdings, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 956.4 GWh | Jul 1964 | Jun 2024 | Natural Gas : 99.5% Distillate Fuel Oil : 0.5% |
| Dickerson Power | Lanyard Power Holdings, LLC | Dickerson, MD | PJM Interconnection, LLC (PJM) | 291.5 GWh | May 1959 | Jun 2024 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 2.2 TWh | Feb 1928 | Jun 2024 | Water |
| Calvert Cliffs Nuclear Power Plant | Constellation Nuclear | Lusby, MD | PJM Interconnection, LLC (PJM) | 16.2 TWh | Apr 1975 | Jun 2024 | Nuclear |
| Back River Waste Water Treatment | Mayor and City Council of Baltimore City | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.0 GWh | Dec 2008 | Dec 2023 | Solar |
| Essential Power Rock Springs LLC | Essential Power Operating Services LLC | Rising Sun, MD | PJM Interconnection, LLC (PJM) | 228.2 GWh | May 2003 | Dec 2022 | Natural Gas |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 345.0 GWh | Oct 1984 | Jun 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| AES Warrior Run Cogeneration Facility | AES WR Ltd Partnership | Cumberland, MD | PJM Interconnection, LLC (PJM) | 783.6 GWh | Jul 1999 | Jun 2024 | Bituminous Coal : 99.8% |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 6.3 GWh | Jul 1987 | Jul 2023 | Wood/Wood Waste Solids : 96.0% Distillate Fuel Oil : 4.0% |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 308.9 GWh | Apr 1995 | Jun 2024 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.8% |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 53.2 GWh | May 1955 | Jun 2024 | Natural Gas : 99.9% |
| Brandywine Power Facility | KMC Thermo, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 597.2 GWh | Jul 1996 | Jun 2024 | Natural Gas : 99.6% |
| UMCP CHP Plant | Trigen-Cinergy Solutions College Park | College Park, MD | PJM Interconnection, LLC (PJM) | 81.9 GWh | May 2003 | Dec 2023 | Natural Gas : 94.8% Distillate Fuel Oil : 5.2% |
| Eastern Landfill Gas LLC | Energy Power Partners | White Marsh, MD | PJM Interconnection, LLC (PJM) | 27.1 GWh | Sep 2006 | Dec 2023 | Landfill Gas |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 190.8 GWh | Jun 2004 | Jun 2024 | Natural Gas |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2014 | Jun 2024 | Solar |
| Baltimore City F | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2023 | Solar |
| Baltimore City G | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2015 | Dec 2023 | Solar |
| City of Havre De Grace C | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Sod Run WTP A | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Annapolis Solar Park, LLC | Annapolis Solar Park, LLC | Annapolis, MD | PJM Interconnection, LLC (PJM) | 24.1 GWh | Jul 2018 | Dec 2023 | Solar |
| Havre de Grace II - E at Perryman | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Apr 2016 | Dec 2023 | Solar |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 27.0 GWh | Jan 2016 | Jun 2024 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Apr 2016 | Jun 2024 | Solar |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2017 | Dec 2023 | Solar |
| Garrett County - DPU Treatment Plant | Tesla Inc. | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Apr 2017 | Dec 2023 | Solar |
| Baltimore City D | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2023 | Solar |
| Pfeffers | Terraform Arcadia | Kingsville, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Apr 2016 | Dec 2023 | Solar |
| APG Combined Heat and Power Plant | US Dept of Army, Garrison, APG | Edgewood, MD | PJM Interconnection, LLC (PJM) | 60.0 MWh | Nov 2016 | Dec 2022 | Natural Gas |
| IGS Solar I - BWI5 | CleanCapital Holdings | Baltimore, MD | PJM Interconnection, LLC (PJM) | 792.5 MWh | Nov 2016 | Dec 2022 | Solar |
| IGS Solar I - BWI2 | IGS ORIX Solar I, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Jan 2017 | Dec 2023 | Solar |
| Baker Point | Cypress Creek Renewables | Thurmont, MD | PJM Interconnection, LLC (PJM) | 13.6 GWh | Sep 2016 | Dec 2023 | Solar |
| Fort Detrick Solar PV | Montevue Lane Solar, LLC | Frederick, MD | PJM Interconnection, LLC (PJM) | 21.8 GWh | Jan 2016 | Dec 2023 | Solar |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2018 | Dec 2022 | Solar |
| GWCC PV Solar Farm | GWCC PV Solar Farm | Beltsville, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Dec 2014 | Dec 2022 | Solar |
| Gateway Solar | Luminace Solar MC, LLC | Berlin, MD | PJM Interconnection, LLC (PJM) | 10.6 GWh | Feb 2019 | Dec 2023 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 613.0 MWh | May 1990 | Jun 2024 | Distillate Fuel Oil : 85.0% Natural Gas : 15.0% |
| Town of Chestertown- Chestertown WWTP | Tesla Inc. | Chestertown, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2015 | Dec 2023 | Solar |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 86.0 GWh | Oct 2015 | Jun 2024 | Wind |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 4.0 TWh | Mar 2018 | Jun 2024 | Natural Gas |
| Chimes West Friendship (Nixon Farms) | SunE SEM 1, LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Nov 2014 | Dec 2023 | Solar |
| UMES (MD) - Princess Anne | NVT LICENSES, LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Jan 2011 | Dec 2023 | Solar |
| Rockfish Solar LLC | Rockfish Solar LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 15.6 GWh | Jul 2015 | Dec 2023 | Solar |
| CNE at Cambridge MD | Luminace Solar Maryland II, LLC | Cambridge, MD | PJM Interconnection, LLC (PJM) | 6.2 GWh | Mar 2015 | Dec 2023 | Solar |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 152.5 GWh | Feb 2018 | Jun 2024 | Solar |
| CES VMT Solar | Consolidated Edison Solutions Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jun 2015 | Dec 2022 | Solar |
| CCBC-Catonsville | Luminace Solar Holding, LLC | Catonsville, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2015 | Dec 2023 | Solar |
| Elkton Solar | SunE DB27, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.9 TWh | Apr 1984 | Jun 2024 | Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2% |
| Keys Energy Center | PSEG Keys Energy Center, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.7 TWh | Jun 2018 | Jun 2024 | Natural Gas |
| Cecil County CCVT HS | SunE DB42, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2015 | Dec 2023 | Solar |
| Presbyterian Senior Living Service | Terraform Arcadia | Glen Arm, MD | PJM Interconnection, LLC (PJM) | 861.1 MWh | Aug 2013 | Sep 2023 | Solar |
| The Clorox Company | Tesla Inc. | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Jul 2016 | Dec 2023 | Solar |
| Chesapeake College | Tesla Inc. | Wye Mills, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Jun 2016 | Dec 2023 | Solar |
| MEBA | Altus Power America Management, LLC | Easton, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2014 | Dec 2023 | Solar |
| Wye Mills VNEM CSG | Tesla Inc. | Queen Anne, MD | PJM Interconnection, LLC (PJM) | 20.0 GWh | Jul 2016 | Dec 2023 | Solar |
| Archdiocese of Baltimore J | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Archdiocese of Baltimore L | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Baltimore City B | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2023 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on June 2024 generation numbers.| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Calvert County, MD | # 1 | 2 | 16.2 TWh |
| Prince George's County, MD | # 2 | 34 | 6.4 TWh |
| Cecil County, MD | # 3 | 7 | 4.3 TWh |
| Charles County, MD | # 4 | 6 | 4.2 TWh |
| Harford County, MD | # 5 | 18 | 2.5 TWh |
| Anne Arundel County, MD | # 6 | 9 | 2.1 TWh |
| Montgomery County, MD | # 7 | 17 | 911.1 GWh |
| Allegany County, MD | # 8 | 4 | 782.2 GWh |
| Garrett County, MD | # 9 | 12 | 580.2 GWh |
| Baltimore city, MD | # 10 | 11 | 410.8 GWh |
| Queen Anne's County, MD | # 11 | 9 | 217.3 GWh |
| Somerset County, MD | # 12 | 7 | 169.6 GWh |
| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Washington County, MD | # 13 | 18 | 83.2 GWh |
| Dorchester County, MD | # 14 | 6 | 64.4 GWh |
| Frederick County, MD | # 15 | 11 | 62.2 GWh |
| Baltimore County, MD | # 16 | 24 | 56.9 GWh |
| Wicomico County, MD | # 17 | 6 | 49.2 GWh |
| Howard County, MD | # 18 | 20 | 30.2 GWh |
| Carroll County, MD | # 19 | 4 | 25.5 GWh |
| Kent County, MD | # 20 | 6 | 19.4 GWh |
| Worcester County, MD | # 21 | 4 | 14.4 GWh |
| Caroline County, MD | # 22 | 2 | 2.7 GWh |
| Talbot County, MD | # 23 | 3 | 383.7 MWh |