Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| White Marsh Mall | White Marsh Mall | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | Nov 2015 | Dec 2022 | Solar |
| 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% |
| Amazon Maryland DCA1 | Westbound Solar LLC | Sparrows Point, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | May 2019 | 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 |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2014 | Jun 2024 | 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% |
| MO33 CSG | TPE MD MO33 LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2022 | Jul 2023 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Apr 2022 | Dec 2023 | Solar |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2017 | Dec 2023 | Solar |
| Wor-Wic Community College - Offsite | Tesla Inc. | Hebron, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Mar 2019 | Dec 2023 | Solar |
| Frederick County - Landfill | Tesla Inc. | Frederick, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 2019 | Dec 2023 | Solar |
| Queen Anne's County | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2013 | Dec 2023 | Solar |
| Town of Chestertown- Chestertown WWTP | Tesla Inc. | Chestertown, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2015 | Dec 2023 | Solar |
| City of Bowie | Tesla Inc. | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | May 2021 | Dec 2022 | 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 |
| Wye Mills VNEM CSG | Tesla Inc. | Queen Anne, MD | PJM Interconnection, LLC (PJM) | 20.0 GWh | Jul 2016 | 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 |
| Garrett County - DPU Treatment Plant | Tesla Inc. | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Apr 2017 | Dec 2023 | Solar |
| Presbyterian Senior Living Service | Terraform Arcadia | Glen Arm, MD | PJM Interconnection, LLC (PJM) | 861.1 MWh | Aug 2013 | Sep 2023 | Solar |
| Bowie State Solar | Terraform Arcadia | Bowie, MD | PJM Interconnection, LLC (PJM) | 384.0 MWh | Feb 2018 | Dec 2023 | Solar |
| Pfeffers | Terraform Arcadia | Kingsville, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Apr 2016 | Dec 2023 | Solar |
| Rock Hall | Terraform Arcadia | Rock Hall, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Nov 2012 | Dec 2023 | Solar |
| Kent County-Kennedyville | Terraform Arcadia | Kennedyville, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Jul 2012 | Dec 2023 | Solar |
| Kent County - Worton Complex | Terraform Arcadia | Worton, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jun 2012 | Dec 2023 | Solar |
| Perdue Salisbury Photovoltaic | Terraform Arcadia | Salisbury, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Aug 2011 | Dec 2023 | Solar |
| Chimes West Friendship (Nixon Farms) | SunE SEM 1, LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Nov 2014 | Dec 2023 | Solar |
| Cecil County CCVT HS | SunE DB42, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2015 | Dec 2023 | Solar |
| Elkton Solar | SunE DB27, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Nov 2015 | Dec 2023 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Jan 2018 | Dec 2023 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Oct 2022 | Dec 2023 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2021 | Dec 2023 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2021 | Dec 2023 | Solar |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Aug 2021 | Dec 2023 | Solar |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Jan 2018 | Dec 2023 | Solar |
| Anne Arundel County Public Schools | Standard Solar | Pasadena, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Sep 2017 | Dec 2023 | Solar |
| Holly Spring Meadows | Standard Solar | District Heights, MD | PJM Interconnection, LLC (PJM) | 656.0 MWh | Jun 2023 | Dec 2023 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Mar 2020 | 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 |
| 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 |
| 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 6000 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2022 | Dec 2023 | Solar |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 377.4 MWh | May 2021 | Dec 2022 | Solar |
| Herbert Farm Solar | SMECO Solar LLC | Hughesville, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Oct 2012 | Dec 2023 | Solar |
| Sheriff Road | Sheriff Rd Solar LLC | Hyattsville, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Mar 2020 | Dec 2022 | Solar |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 24.4 GWh | Jul 2011 | Jun 2024 | Wind |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 97.4 GWh | Jul 2011 | Jun 2024 | Wind |
| Rockfish Solar LLC | Rockfish Solar LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 15.6 GWh | Jul 2015 | Dec 2023 | Solar |
| Keys Energy Center | PSEG Keys Energy Center, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.7 TWh | Jun 2018 | Jun 2024 | Natural Gas |
| 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 |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 4.0 TWh | Mar 2018 | Jun 2024 | Natural Gas |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Sep 2019 | 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 |
| 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% |
| FedEx Field Solar Facility | NRG Solar Arrowhead LLC | Landover, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Aug 2011 | 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% |
| Macy's MD Joppa Solar Project | Northstar Macy's Maryland 2015, LLC | Joppa, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Feb 2016 | Sep 2023 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Jul 2023 | Dec 2023 | Solar |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Nov 2020 | Dec 2023 | Solar |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Oct 2020 | Dec 2023 | Solar |
| BTC2 Solar (CSG) | Nautilus Solar Solutions | Kingsville, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | Jun 2019 | Dec 2023 | Solar |
| Upper Marlboro 1 CSG | Nautilus Solar Solutions | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2019 | Dec 2023 | Solar |
| White CSG | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Dec 2019 | Dec 2023 | Solar |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2020 | Dec 2023 | Solar |
| Gibbons CSG | Nautilus Solar Solutions | Snow Hill, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Nov 2019 | Dec 2023 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Oct 2020 | Dec 2023 | Solar |
| White Marsh Solar | Nautilus Solar Solutions | White Marsh, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Nov 2020 | Dec 2023 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 98.0 MWh | Oct 2023 | Dec 2023 | Solar |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | May 2021 | Dec 2023 | Solar |
| P52ES 1755 Henryton Rd Phase 1 LLC CSG | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | May 2021 | Dec 2023 | Solar |
| Kirby Road Solar, LLC | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2021 | Dec 2023 | Solar |
| Burns Solar One LLC | Nautilus Solar Solutions | Reisterstown, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Nov 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 |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2018 | Dec 2022 | Solar |
| Fort Detrick Solar PV | Montevue Lane Solar, LLC | Frederick, MD | PJM Interconnection, LLC (PJM) | 21.8 GWh | Jan 2016 | Dec 2023 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Apr 2016 | Jun 2024 | Solar |
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Oct 2015 | Dec 2023 | Solar |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 27.0 GWh | Jan 2016 | Jun 2024 | Solar |
| Spruce - WCMD - Rubble I | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Aug 2015 | Dec 2022 | Solar |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Apr 2015 | Dec 2023 | Solar |
| Spruce - WCMD - Resh I | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Feb 2016 | Dec 2023 | 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 |
| WMATA - Naylor Rd. Metro | MN8 Energy LLC | Temple Hills, MD | PJM Interconnection, LLC (PJM) | 29.0 MWh | Oct 2023 | Dec 2023 | Solar |
| 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 |
| 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% |
| Pinesburg Solar LLC | Madison Energy Holdings LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 8.4 GWh | Apr 2020 | Dec 2023 | Solar |
| Timonium Fairgrounds | Madison Energy Holdings LLC | Timonium, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Sep 2020 | Dec 2023 | Solar |
| Gateway Solar | Luminace Solar MC, LLC | Berlin, MD | PJM Interconnection, LLC (PJM) | 10.6 GWh | Feb 2019 | 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 |
| Sod Run WTP A | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.6 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 |
| Baltimore City G | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2015 | 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 |
| Baltimore City D | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2023 | Solar |
| Baltimore City F | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2023 | Solar |
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2010 | 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 |
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 |