Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| The Clorox Company | Tesla Inc. | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Jul 2016 | Dec 2023 | Solar |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Sep 2018 | 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 |
| Annapolis Solar Park, LLC | Annapolis Solar Park, LLC | Annapolis, MD | PJM Interconnection, LLC (PJM) | 22.8 GWh | Jul 2018 | Dec 2023 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | May 1990 | Jan 2025 | Distillate Fuel Oil : 96.2% Natural Gas : 3.8% |
| Chalk Point Power | Lanyard Power Holdings, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 1.1 TWh | Jul 1964 | Jan 2025 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| Chalk Point Steam | Lanyard Power Holdings, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | Mar 1967 | Dec 2022 | Distillate Fuel Oil |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 215.2 GWh | Jan 1956 | Jan 2025 | Distillate Fuel Oil : 87.6% Natural Gas : 12.4% |
| Back River Waste Water Treatment | Mayor and City Council of Baltimore City | Baltimore, MD | PJM Interconnection, LLC (PJM) | 983.0 MWh | Dec 2008 | Dec 2023 | Solar |
| IGS Solar I - BWI5 | CleanCapital Holdings | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Nov 2016 | Dec 2023 | Solar |
| IGS Solar I - BWI2 | IGS ORIX Solar I, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Jan 2017 | Dec 2023 | Solar |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 49.8 GWh | May 1955 | Jan 2025 | Natural Gas : 91.8% Residual Fuel Oil : 8.2% |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.4 TWh | Apr 1984 | Jan 2025 | Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2% |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 317.3 GWh | Oct 1984 | Jan 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| White CSG | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Dec 2019 | Dec 2023 | Solar |
| White Marsh Mall | White Marsh Mall | Baltimore, MD | PJM Interconnection, LLC (PJM) | 689.0 MWh | Nov 2015 | Dec 2023 | Solar |
| 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 |
| Philadelphia | Constellation Power Source Generation, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Jul 1970 | Dec 2023 | Distillate Fuel Oil |
| CPG - Duke 6000 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2022 | Dec 2023 | Solar |
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2010 | Dec 2023 | Solar |
| GWCC PV Solar Farm | GWCC PV Solar Farm | Beltsville, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Dec 2014 | Dec 2023 | Solar |
| Gateway Solar | Luminace Solar MC, LLC | Berlin, MD | PJM Interconnection, LLC (PJM) | 10.0 GWh | Feb 2019 | Dec 2023 | Solar |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 155.8 GWh | Jun 2004 | Jan 2025 | Natural Gas |
| 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 |
| Bowie State Solar | Terraform Arcadia | Bowie, MD | PJM Interconnection, LLC (PJM) | 362.0 MWh | Feb 2018 | Dec 2023 | Solar |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Jan 2018 | Dec 2023 | Solar |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Oct 2017 | Dec 2023 | Solar |
| Bluefin Origination 1 | Bluefin Origination 1, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Oct 2019 | Dec 2023 | Solar |
| Keys Energy Center | PSEG Keys Energy Center, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.9 TWh | Jun 2018 | Jan 2025 | Natural Gas |
| Brandywine Power Facility | KMC Thermo, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 575.5 GWh | Jul 1996 | Jan 2025 | Natural Gas : 95.4% Distillate Fuel Oil : 4.6% |
| CNE at Cambridge MD | Luminace Solar Maryland II, LLC | Cambridge, MD | PJM Interconnection, LLC (PJM) | 5.9 GWh | Mar 2015 | Dec 2023 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Jan 2018 | Dec 2023 | Solar |
| Sol Phoenix | Greenbacker Renewable Energy Corporation | Capitol Heights, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | Dec 2019 | Dec 2023 | Solar |
| CCBC-Catonsville | Luminace Solar Holding, LLC | Catonsville, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Aug 2015 | Dec 2023 | Solar |
| Bd of Educ of Queen Anne's Cnty, Cnty HS | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Jun 2019 | Dec 2023 | Solar |
| Queen Anne's County | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Nov 2013 | 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 |
| Town of Chestertown- Chestertown WWTP | Tesla Inc. | Chestertown, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 7.3 GWh | Apr 2016 | Jan 2025 | Solar |
| Bluegrass Solar | Bluegrass Solar, LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 160.6 GWh | Sep 2022 | Jan 2025 | Solar |
| Kirby Road Solar, LLC | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | May 2021 | Dec 2023 | Solar |
| 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% |
| IKEA College Park 411 | IKEA Property Inc | College Park, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jan 2012 | Dec 2023 | Solar |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | May 2021 | Dec 2023 | Solar |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.0 TWh | Mar 2018 | Jan 2025 | Natural Gas |
| Crisfield | Calpine Mid-Atlantic Generation LLC | Crisfield, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | Apr 1968 | Dec 2023 | Distillate Fuel Oil |
| 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% |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 1.6 TWh | Feb 1928 | Jan 2025 | Water |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 302.4 GWh | Apr 1995 | Jan 2025 | Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9% |
| Dickerson Power | Lanyard Power Holdings, LLC | Dickerson, MD | PJM Interconnection, LLC (PJM) | 135.6 GWh | May 1959 | Jan 2025 | Natural Gas : 98.2% Distillate Fuel Oil : 1.8% |
| Holly Spring Meadows | Standard Solar | District Heights, MD | PJM Interconnection, LLC (PJM) | 656.0 MWh | Jun 2023 | Dec 2023 | Solar |
| MEBA | Altus Power America Management, LLC | Easton, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Oct 2014 | Dec 2023 | Solar |
| THD Baltimore DC - 5830 Project Tiger | Distributed Solar Development, LLC | Edgemere, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Dec 2020 | Nov 2023 | Solar |
| THD Baltimore DCs - 5829 Project Lion | Distributed Solar Development, LLC | Edgemere, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Dec 2020 | Nov 2023 | 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 |
| 6685 Santa Barbara Ct | 6685 Santa Barbara Ct | Elkridge, MD | PJM Interconnection, LLC (PJM) | 1.7 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 |
| Elkton Solar | SunE DB27, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2015 | Dec 2023 | Solar |
| Cecil County CCVT HS | SunE DB42, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2023 | Solar |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 18.0 GWh | Jun 2012 | Jan 2025 | Solar |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Mar 2014 | Jan 2025 | Solar |
| Smith Island | A & N Electric Coop | Ewell, MD | PJM Interconnection, LLC (PJM) | 79.0 MWh | Nov 1969 | Dec 2023 | Distillate Fuel Oil |
| 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% |
| Synergen Panorama, LLC CSG | Altus Power America Management, LLC | Fort Washington, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Jun 2019 | Dec 2023 | Solar |
| Fort Detrick Solar PV | Montevue Lane Solar, LLC | Frederick, MD | PJM Interconnection, LLC (PJM) | 20.6 GWh | Jan 2016 | Dec 2023 | Solar |
| Francis Scott Key Mall | Francis Scott Key Mall | Frederick, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | Feb 2018 | Dec 2023 | Solar |
| Frederick County - Landfill | Tesla Inc. | Frederick, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Jul 2019 | 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 |
| MD - CS - Potomac Edison Co - GA29 TPE | Forefront Power, LLC | Friendsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Dec 2020 | Dec 2023 | Solar |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 115.8 GWh | Nov 2014 | Jan 2025 | Wind |
| NIST Solar | Constellation New Energy Inc. | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 6.8 GWh | Nov 2018 | Dec 2023 | Solar |
| MO33 CSG | TPE MD MO33 LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Mar 2022 | Jul 2023 | Solar |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2018 | Dec 2023 | Solar |
| Presbyterian Senior Living Service | Terraform Arcadia | Glen Arm, MD | PJM Interconnection, LLC (PJM) | 744.6 MWh | Aug 2013 | Sep 2023 | Solar |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Apr 2015 | Dec 2023 | Solar |
| Spruce - WCMD - Resh I | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Feb 2016 | Dec 2023 | Solar |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Nov 2020 | Dec 2023 | Solar |
| Solar Hagerstown | Greenbacker Renewable Energy Corporation | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 17.2 GWh | Oct 2020 | Dec 2023 | Solar |
| CES VMT Solar | Consolidated Edison Solutions Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jun 2015 | Dec 2023 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 32.2 GWh | Aug 2013 | Jan 2025 | Solar |
| Hollins Ferry CSG | ICFTS MD Solar, LLC | Halethorpe, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2021 | Dec 2023 | Solar |
| Bomber CSG | Hampstead Solar, LLC | Hampstead, MD | PJM Interconnection, LLC (PJM) | 9.0 GWh | Nov 2021 | Dec 2023 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 98.0 MWh | Oct 2023 | Dec 2023 | Solar |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2020 | Dec 2023 | Solar |
| 7448 Candlewood Road | Hartz Solar, LLC | Hanover, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Mar 2020 | Dec 2023 | Solar |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 168.4 GWh | Dec 1971 | Jan 2025 | Natural Gas : 83.4% Distillate Fuel Oil : 16.6% |
| Wor-Wic Community College - Offsite | Tesla Inc. | Hebron, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2019 | Dec 2023 | Solar |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 23.4 GWh | Jan 2016 | Jan 2025 | 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 |
| Herbert Farm Solar | SMECO Solar LLC | Hughesville, MD | PJM Interconnection, LLC (PJM) | 7.6 GWh | Oct 2012 | Dec 2023 | Solar |
| Todd Solar | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 43.5 GWh | Jun 2021 | Dec 2023 | Solar |
| Sheriff Road | Sheriff Rd Solar LLC | Hyattsville, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Mar 2020 | Dec 2023 | Solar |
| Maryland Bioenergy Center (Jessup) | Bioenergy DevCo | Jessup, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2022 | Dec 2023 | Natural Gas |
| Macy's MD Joppa Solar Project | Northstar Macy's Maryland 2015, LLC | Joppa, MD | PJM Interconnection, LLC (PJM) | 221.0 MWh | Feb 2016 | Sep 2024 | Solar |
| Kent County-Kennedyville | Terraform Arcadia | Kennedyville, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Jul 2012 | Dec 2023 | Solar |
| Pfeffers | Terraform Arcadia | Kingsville, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Apr 2016 | Dec 2023 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on January 2025 generation numbers.| County | State Rank | Active Plants | Jan 2025 Generation |
|---|---|---|---|
| Calvert County, MD | # 1 | 2 | 14.8 TWh |
| Prince George's County, MD | # 2 | 34 | 6.7 TWh |
| Charles County, MD | # 3 | 6 | 3.7 TWh |
| Cecil County, MD | # 4 | 7 | 3.2 TWh |
| Anne Arundel County, MD | # 5 | 9 | 2.7 TWh |
| Harford County, MD | # 6 | 18 | 1.9 TWh |
| Allegany County, MD | # 7 | 4 | 725.5 GWh |
| Montgomery County, MD | # 8 | 18 | 689.7 GWh |
| Garrett County, MD | # 9 | 12 | 602.3 GWh |
| Baltimore city, MD | # 10 | 11 | 378.3 GWh |
| Queen Anne's County, MD | # 11 | 9 | 198.6 GWh |
| Somerset County, MD | # 12 | 7 | 151.4 GWh |
| County | State Rank | Active Plants | Jan 2025 Generation |
|---|---|---|---|
| Washington County, MD | # 13 | 19 | 79.6 GWh |
| Baltimore County, MD | # 14 | 25 | 60.5 GWh |
| Frederick County, MD | # 15 | 11 | 58.8 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 | 520.0 MWh |