Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Presbyterian Senior Living Service | Terraform Arcadia | Glen Arm, MD | PJM Interconnection, LLC (PJM) | 861.1 MWh | Aug 2013 | Sep 2023 | Solar |
| MO33 CSG | TPE MD MO33 LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2022 | Jul 2023 | Solar |
| NIST Solar | Constellation New Energy Inc. | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 6.4 GWh | Nov 2018 | Dec 2022 | Solar |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2018 | Dec 2022 | Solar |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 116.2 GWh | Nov 2014 | Jun 2024 | Wind |
| MD - CS - Potomac Edison Co - GA29 TPE | Forefront Power, LLC | Friendsville, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Dec 2020 | 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 |
| Frederick County - Landfill | Tesla Inc. | Frederick, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 2019 | Dec 2023 | Solar |
| Francis Scott Key Mall | Francis Scott Key Mall | Frederick, MD | PJM Interconnection, LLC (PJM) | 633.4 MWh | Feb 2018 | Dec 2022 | Solar |
| Synergen Panorama, LLC CSG | Altus Power America Management, LLC | Fort Washington, MD | PJM Interconnection, LLC (PJM) | 8.6 GWh | Jun 2019 | Dec 2023 | Solar |
| Federalsburg Energy Storage 1 LLC | Convergent Energy and Power LP | Federaslburg, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Oct 2021 | Dec 2023 | Solar : 51.3% Electricity used for energy storage : 48.7% |
| Smith Island | A & N Electric Coop | Ewell, MD | PJM Interconnection, LLC (PJM) | 98.0 MWh | Nov 1969 | Dec 2023 | Distillate Fuel Oil |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 19.5 GWh | Jun 2012 | Jun 2024 | Solar |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2014 | Jun 2024 | Solar |
| Elkton Solar | SunE DB27, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Oct 2020 | Dec 2023 | Solar |
| Cecil County CCVT HS | SunE DB42, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2015 | Dec 2023 | Solar |
| 6685 Santa Barbara Ct | 6685 Santa Barbara Ct | Elkridge, MD | PJM Interconnection, LLC (PJM) | 589.0 MWh | Nov 2020 | Dec 2022 | 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 |
| THD Baltimore DC - 5830 Project Tiger | Distributed Solar Development, LLC | Edgemere, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Dec 2020 | Nov 2023 | Solar |
| MEBA | Altus Power America Management, LLC | Easton, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2014 | Dec 2023 | Solar |
| Holly Spring Meadows | Standard Solar | District Heights, MD | PJM Interconnection, LLC (PJM) | 656.0 MWh | Jun 2023 | Dec 2023 | Solar |
| 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% |
| 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% |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 2.2 TWh | Feb 1928 | Jun 2024 | Water |
| 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% |
| Crisfield | Calpine Mid-Atlantic Generation LLC | Crisfield, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Apr 1968 | Dec 2023 | Distillate Fuel Oil |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 4.0 TWh | Mar 2018 | Jun 2024 | Natural Gas |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 377.4 MWh | May 2021 | Dec 2022 | Solar |
| IKEA College Park 411 | IKEA Property Inc | College Park, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Jan 2012 | Dec 2023 | Solar |
| 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% |
| Kirby Road Solar, LLC | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2021 | Dec 2023 | Solar |
| Bluegrass Solar | Bluegrass Solar, LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 176.6 GWh | Sep 2022 | Jun 2024 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Apr 2016 | Jun 2024 | Solar |
| Town of Chestertown- Chestertown WWTP | Tesla Inc. | Chestertown, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2015 | Dec 2023 | Solar |
| Chester Woods Point Solar, LLC CSG | Chester Woods Point Solar, LLC | Chester, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | May 2019 | Dec 2023 | Solar |
| Bd of Educ of Queen Anne's Cnty, Cnty HS | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Jun 2019 | Dec 2023 | Solar |
| Queen Anne's County | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2013 | Dec 2023 | Solar |
| CCBC-Catonsville | Luminace Solar Holding, LLC | Catonsville, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Aug 2015 | Dec 2023 | Solar |
| Sol Phoenix | Greenbacker Renewable Energy Corporation | Capitol Heights, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | Dec 2019 | Dec 2022 | Solar |
| CNE at Cambridge MD | Luminace Solar Maryland II, LLC | Cambridge, MD | PJM Interconnection, LLC (PJM) | 6.2 GWh | Mar 2015 | Dec 2023 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Jan 2018 | Dec 2023 | Solar |
| Brandywine Power Facility | KMC Thermo, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 597.2 GWh | Jul 1996 | Jun 2024 | Natural Gas : 99.6% |
| Keys Energy Center | PSEG Keys Energy Center, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.7 TWh | Jun 2018 | Jun 2024 | Natural Gas |
| Bluefin Origination 1 | Bluefin Origination 1, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Oct 2019 | Dec 2023 | Solar |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2017 | Dec 2023 | Solar |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Jan 2018 | Dec 2023 | Solar |
| Bowie State Solar | Terraform Arcadia | Bowie, MD | PJM Interconnection, LLC (PJM) | 384.0 MWh | Feb 2018 | Dec 2023 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.5 GWh | Jul 2022 | Dec 2023 | Solar |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Oct 2020 | Dec 2023 | Solar |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 190.8 GWh | Jun 2004 | Jun 2024 | Natural Gas |
| Gateway Solar | Luminace Solar MC, LLC | Berlin, MD | PJM Interconnection, LLC (PJM) | 10.6 GWh | Feb 2019 | Dec 2023 | Solar |
| GWCC PV Solar Farm | GWCC PV Solar Farm | Beltsville, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Dec 2014 | Dec 2022 | Solar |
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2010 | Dec 2023 | Solar |
| CPG - Duke 5300A Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2022 | Dec 2023 | Solar |
| 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% |
| Philadelphia | Constellation Power Source Generation, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Jul 1970 | Dec 2023 | Distillate Fuel Oil |
| 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% |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 53.2 GWh | May 1955 | Jun 2024 | Natural Gas : 99.9% |
| 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 |
| CPG - Duke 6000 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 5900 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 5300B Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2022 | Dec 2023 | Solar |
| 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 |
| 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% |
| White CSG | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Dec 2019 | Dec 2023 | Solar |
| White Marsh Mall | White Marsh Mall | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | Nov 2015 | Dec 2022 | 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% |
| 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% |
| Chalk Point Steam | Lanyard Power Holdings, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | Mar 1967 | Dec 2022 | Distillate Fuel Oil |
| Annapolis Solar Park, LLC | Annapolis Solar Park, LLC | Annapolis, MD | PJM Interconnection, LLC (PJM) | 24.1 GWh | Jul 2018 | Dec 2023 | Solar |
| MD - CS - Potomac Edison Co - GA25 TPE (Community Solar) | Distributed Solar Development, LLC | Accident, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | May 2022 | Dec 2023 | Solar |
| The Clorox Company | Tesla Inc. | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Jul 2016 | Dec 2023 | Solar |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Sep 2018 | Dec 2022 | Solar |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 4.4 GWh | Sep 2018 | Dec 2022 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on June 2024 generation numbers.| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Talbot County, MD | # 23 | 3 | 383.7 MWh |
| Caroline County, MD | # 22 | 2 | 2.7 GWh |
| Worcester County, MD | # 21 | 4 | 14.4 GWh |
| Kent County, MD | # 20 | 6 | 19.4 GWh |
| Carroll County, MD | # 19 | 4 | 25.5 GWh |
| Howard County, MD | # 18 | 20 | 30.2 GWh |
| Wicomico County, MD | # 17 | 6 | 49.2 GWh |
| Baltimore County, MD | # 16 | 24 | 56.9 GWh |
| Frederick County, MD | # 15 | 11 | 62.2 GWh |
| Dorchester County, MD | # 14 | 6 | 64.4 GWh |
| Washington County, MD | # 13 | 18 | 83.2 GWh |
| Somerset County, MD | # 12 | 7 | 169.6 GWh |
| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Queen Anne's County, MD | # 11 | 9 | 217.3 GWh |
| Baltimore city, MD | # 10 | 11 | 410.8 GWh |
| Garrett County, MD | # 9 | 12 | 580.2 GWh |
| Allegany County, MD | # 8 | 4 | 782.2 GWh |
| Montgomery County, MD | # 7 | 17 | 911.1 GWh |
| Anne Arundel County, MD | # 6 | 9 | 2.1 TWh |
| Harford County, MD | # 5 | 18 | 2.5 TWh |
| Charles County, MD | # 4 | 6 | 4.2 TWh |
| Cecil County, MD | # 3 | 7 | 4.3 TWh |
| Prince George's County, MD | # 2 | 34 | 6.4 TWh |
| Calvert County, MD | # 1 | 2 | 16.2 TWh |