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) | 1.0 GWh | Nov 2015 | Dec 2024 | Solar |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 313.4 GWh | Oct 1984 | May 2026 | 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) | 2.3 GWh | May 2019 | Dec 2025 | Solar |
| APG Combined Heat and Power Plant | US Dept of Army, Garrison, APG | Edgewood, MD | PJM Interconnection, LLC (PJM) | 47.1 GWh | Nov 2016 | Dec 2025 | Natural Gas |
| Egypt Road Solar | Urban Grid Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 44.3 GWh | Nov 2025 | May 2026 | Solar |
| Jones Farm Solar | Urban Grid Solar | Millington, MD | PJM Interconnection, LLC (PJM) | 124.2 GWh | May 2025 | May 2026 | Solar |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2014 | May 2026 | Solar |
| UMCP CHP Plant | Trigen-Cinergy Solutions College Park | College Park, MD | PJM Interconnection, LLC (PJM) | 84.4 GWh | May 2003 | Dec 2024 | Natural Gas : 90.0% Distillate Fuel Oil : 10.0% |
| MO33 CSG | TPE MD MO33 LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2022 | Dec 2025 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Apr 2022 | Dec 2025 | Solar |
| Berlin | Town of Berlin - (MD) | Berlin, MD | PJM Interconnection, LLC (PJM) | 59.0 MWh | May 1961 | Dec 2025 | Distillate Fuel Oil : 57.7% Natural Gas : 42.3% |
| The Clorox Company | Tesla Inc. | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jul 2016 | Dec 2025 | Solar |
| Town of Chestertown- Chestertown WWTP | Tesla Inc. | Chestertown, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2015 | Dec 2025 | Solar |
| Chesapeake College | Tesla Inc. | Wye Mills, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | Jun 2016 | Dec 2025 | Solar |
| City of Bowie | Tesla Inc. | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | May 2021 | Dec 2025 | Solar |
| Wye Mills VNEM CSG | Tesla Inc. | Queen Anne, MD | PJM Interconnection, LLC (PJM) | 17.1 GWh | Jul 2016 | Dec 2025 | Solar |
| Queen Anne's County | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2013 | Dec 2025 | Solar |
| Frederick County - Landfill | Tesla Inc. | Frederick, MD | PJM Interconnection, LLC (PJM) | 60.0 MWh | Jul 2019 | Dec 2025 | Solar |
| Wor-Wic Community College - Offsite | Tesla Inc. | Hebron, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Mar 2019 | Dec 2025 | Solar |
| Bd of Educ of Queen Anne's Cnty, Cnty HS | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Jun 2019 | Dec 2024 | Solar |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Oct 2017 | Dec 2025 | Solar |
| Garrett County - DPU Treatment Plant | Tesla Inc. | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Apr 2017 | Dec 2025 | Solar |
| Pfeffers | Terraform Arcadia | Kingsville, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Apr 2016 | Dec 2025 | Solar |
| Kent County - Worton Complex | Terraform Arcadia | Worton, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Jun 2012 | Nov 2025 | Solar |
| Rock Hall | Terraform Arcadia | Rock Hall, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Kent County-Kennedyville | Terraform Arcadia | Kennedyville, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | Jul 2012 | Dec 2025 | Solar |
| Bowie State Solar | Terraform Arcadia | Bowie, MD | PJM Interconnection, LLC (PJM) | 342.0 MWh | Feb 2018 | Dec 2025 | Solar |
| Perdue Salisbury Photovoltaic | Terraform Arcadia | Salisbury, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | Aug 2011 | Dec 2025 | Solar |
| Chimes West Friendship (Nixon Farms) | SunE SEM 1, LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Nov 2014 | Dec 2025 | Solar |
| Cecil County CCVT HS | SunE DB42, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Nov 2015 | Dec 2025 | Solar |
| Elkton Solar | SunE DB27, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2015 | Dec 2025 | Solar |
| Hall Property | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Feb 2024 | Dec 2025 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2020 | Dec 2025 | Solar |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Aug 2021 | Dec 2025 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2022 | Dec 2025 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2021 | Dec 2025 | Solar |
| Anne Arundel County Public Schools | Standard Solar | Pasadena, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Sep 2017 | Dec 2025 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2021 | Dec 2025 | Solar |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jan 2018 | Dec 2025 | Solar |
| Holly Spring Meadows | Standard Solar | District Heights, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Jun 2023 | Dec 2025 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Jan 2018 | Dec 2025 | Solar |
| Spectrum Solar Hybrid | Spectrum Solar LLC | Oxon Hill, MD | PJM Interconnection, LLC (PJM) | 10.7 GWh | Nov 2023 | Dec 2025 | Solar |
| MD - CPG - Ten Oaks | Solar DG MD Ten Oaks LLC | Glenelg, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Sep 2024 | Dec 2025 | Solar |
| CPG - Duke 5300A Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2022 | Dec 2025 | Solar |
| CPG - Duke 5300B Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Nov 2022 | Dec 2025 | Solar |
| CPG - Duke 5900 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Nov 2022 | Dec 2025 | Solar |
| CPG - Duke 6000 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Nov 2022 | Dec 2025 | Solar |
| MD - WL Gore - Cherry Hill | Solar DG MD Cherry Hill, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 4.4 GWh | Feb 2025 | Dec 2025 | Solar |
| MD - WL Gore - Appleton | Solar DG MD Appleton, LLC | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Feb 2025 | Dec 2025 | Solar |
| FedEx Hagerstown | SoCore Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Mar 2015 | Dec 2025 | Solar |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | May 2021 | Dec 2025 | Solar |
| Herbert Farm Solar | SMECO Solar LLC | Hughesville, MD | PJM Interconnection, LLC (PJM) | 6.5 GWh | Oct 2012 | Dec 2025 | Solar |
| Sheriff Road | Sheriff Rd Solar LLC | Hyattsville, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Mar 2020 | Dec 2025 | Solar |
| CES VMT Solar | RWE Clean Energy | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jun 2015 | Dec 2025 | Solar |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 24.8 GWh | Jul 2011 | May 2026 | Wind |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 99.2 GWh | Jul 2011 | May 2026 | Wind |
| Rockfish Solar LLC | Rockfish Solar LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 13.8 GWh | Jul 2015 | Dec 2025 | Solar |
| Airport Commons 7-slbal210 | Prologis Logistics Services Incorporated | Hanover, MD | PJM Interconnection, LLC (PJM) | 443.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Brown Station Road Plant II | Prince George's County - (MD) | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 11.0 MWh | Nov 2003 | Dec 2024 | Landfill Gas |
| TPE MD GA140 | Pivot Energy | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | May 2025 | Dec 2025 | Solar |
| TPE MD GA137 | Pivot Energy | Oakland, MD | PJM Interconnection, LLC (PJM) | 1.4 GWh | May 2025 | Dec 2025 | Solar |
| Chaberton Solar Catherine | Pivot Energy | Cooksville, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Apr 2024 | Dec 2025 | Solar |
| Chaberton Solar Lime Kiln | Pivot Energy | Fulton, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Mar 2025 | Dec 2025 | Solar |
| Chaberton Solar Greyrock | Pivot Energy | Pittsville, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | May 2025 | Dec 2025 | Solar |
| Chaberton Solar Matterhorn | Pivot Energy | Woodstock, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Mar 2025 | Dec 2025 | Solar |
| TPE MD HO93 | Pivot Energy | Clarksville, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Apr 2025 | Dec 2025 | Solar |
| MD JESSUP 7950 OCEANO AVE | PFMD LL Jessup LLC | Jessup, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | Aug 2024 | Dec 2025 | Solar |
| MD BALTIMORE 4851 HOLABIRD AVE | PFMD LL Baltimore LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 825.0 MWh | Jun 2025 | Dec 2025 | Solar |
| Key | Parkway Generation Keys Energy Center LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.4 TWh | Jun 2018 | May 2026 | Natural Gas |
| APG New Chesapeake | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Sep 2018 | Dec 2024 | Solar |
| APG Old Bayside | Onyx Asset Services Group | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Sep 2018 | Dec 2024 | Solar |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.2 TWh | Mar 2018 | May 2026 | Natural Gas |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Sep 2019 | Dec 2025 | Solar |
| UMES (MD) - Princess Anne | NVT LICENSES, LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Jan 2011 | Dec 2025 | Solar |
| Vienna Operations | NRG Vienna Operations Inc | Vienna, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Dec 1967 | Dec 2024 | Residual Fuel Oil : 91.4% Distillate Fuel Oil : 8.6% |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 19.2 GWh | May 1990 | May 2026 | Distillate Fuel Oil |
| Annapolis Solar Park, LLC | Novis Renewables, LLC | Annapolis, MD | PJM Interconnection, LLC (PJM) | 22.9 GWh | Jul 2018 | Dec 2025 | Solar |
| Macy's MD Joppa Solar Project | Northstar Macy's Maryland 2015, LLC | Joppa, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Feb 2016 | May 2026 | Solar |
| Eastern Landfill Gas LLC | NextEra Renewable Fuels, LLC | White Marsh, MD | PJM Interconnection, LLC (PJM) | 19.3 GWh | Sep 2006 | Dec 2025 | Landfill Gas |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | May 2021 | Dec 2025 | Solar |
| Parker Place | Nautilus Solar Solutions | Salisbury, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Mar 2024 | Dec 2025 | Solar |
| Beech Road (CSG) | Nautilus Solar Solutions | Temple Hill, MD | PJM Interconnection, LLC (PJM) | 7.9 GWh | Jul 2024 | Dec 2025 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Oct 2023 | Dec 2025 | Solar |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Oct 2020 | Dec 2025 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2020 | Dec 2025 | Solar |
| White Marsh Solar | Nautilus Solar Solutions | White Marsh, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2020 | Dec 2025 | Solar |
| Kirby Road Solar, LLC | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | May 2021 | Dec 2025 | Solar |
| Burns Solar One LLC | Nautilus Solar Solutions | Reisterstown, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2020 | Dec 2025 | Solar |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2020 | Dec 2025 | Solar |
| P52ES 1755 Henryton Rd Phase 1 LLC CSG | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | May 2021 | Dec 2025 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 2023 | Dec 2025 | Solar |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2020 | Dec 2025 | Solar |
| Mustang One | Nautilus Solar Solutions | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Jan 2024 | Dec 2025 | Solar |
| Gibbons CSG | Nautilus Solar Solutions | Snow Hill, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2019 | Dec 2025 | Solar |
| Ten Oaks | Nautilus Solar Solutions | Clarksville, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2024 | Dec 2025 | Solar |
| White CSG | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Dec 2019 | Dec 2025 | Solar |
| Upper Marlboro 1 CSG | Nautilus Solar Solutions | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2019 | Dec 2025 | Solar |
| Lion One | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | Dec 2025 | Solar |
| BTC2 Solar (CSG) | Nautilus Solar Solutions | Kingsville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Jun 2019 | Dec 2025 | Solar |
| Livingston Crossing (CSG) | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 1.0 GWh | Jun 2025 | Dec 2025 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Talbot County, MD | # 23 | 3 | 14.2 GWh |
| Kent County, MD | # 22 | 6 | 17.3 GWh |
| Caroline County, MD | # 21 | 2 | 17.8 GWh |
| Carroll County, MD | # 20 | 4 | 24.4 GWh |
| Worcester County, MD | # 19 | 5 | 34.3 GWh |
| Wicomico County, MD | # 18 | 8 | 44.5 GWh |
| Baltimore County, MD | # 17 | 29 | 70.0 GWh |
| Frederick County, MD | # 16 | 11 | 70.9 GWh |
| Howard County, MD | # 15 | 25 | 74.2 GWh |
| Washington County, MD | # 14 | 20 | 77.4 GWh |
| Dorchester County, MD | # 13 | 7 | 93.8 GWh |
| Somerset County, MD | # 12 | 7 | 158.0 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Allegany County, MD | # 11 | 5 | 195.8 GWh |
| Queen Anne's County, MD | # 10 | 9 | 310.4 GWh |
| Baltimore city, MD | # 9 | 11 | 380.5 GWh |
| Garrett County, MD | # 8 | 16 | 701.4 GWh |
| Montgomery County, MD | # 7 | 18 | 780.3 GWh |
| Harford County, MD | # 6 | 19 | 2.0 TWh |
| Anne Arundel County, MD | # 5 | 12 | 3.4 TWh |
| Cecil County, MD | # 4 | 9 | 3.7 TWh |
| Charles County, MD | # 3 | 6 | 3.8 TWh |
| Prince George's County, MD | # 2 | 40 | 8.0 TWh |
| Calvert County, MD | # 1 | 3 | 14.9 TWh |