Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 356.6 GWh | Jan 1956 | May 2026 | Distillate Fuel Oil : 93.4% Natural Gas : 6.6% |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 361.2 GWh | Dec 1971 | May 2026 | Natural Gas : 72.8% Distillate Fuel Oil : 27.2% |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.0 TWh | Apr 1984 | May 2026 | Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2% |
| Bluegrass Solar | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 151.7 GWh | Sep 2022 | May 2026 | Solar |
| Chalk Point Power | Chalk Point Power, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 2.6 TWh | Jul 1964 | May 2026 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
| Dickerson Power | Dickerson Power, LLC | Dickerson, MD | PJM Interconnection, LLC (PJM) | 299.5 GWh | May 1959 | May 2026 | Natural Gas : 87.6% Distillate Fuel Oil : 12.4% |
| Morgantown Generating Plant | Lanyard Power Holdings, LLC | Newburg, MD | PJM Interconnection, LLC (PJM) | 22.4 GWh | May 1970 | May 2026 | Distillate Fuel Oil |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 1.6 TWh | Feb 1928 | May 2026 | Water |
| Easton | Easton Utilities Comm | Easton, MD | PJM Interconnection, LLC (PJM) | 5.2 GWh | Oct 1954 | May 2026 | Distillate Fuel Oil |
| Easton 2 | Easton Utilities Comm | Easton, MD | PJM Interconnection, LLC (PJM) | 6.6 GWh | Feb 1978 | May 2026 | Distillate Fuel Oil |
| Calvert Cliffs Nuclear Power Plant | Constellation Nuclear | Lusby, MD | PJM Interconnection, LLC (PJM) | 14.9 TWh | Apr 1975 | May 2026 | Nuclear |
| 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% |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 13.8 GWh | Jul 1987 | May 2026 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 229.0 GWh | Apr 1995 | May 2026 | Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Natural Gas : 2.1% |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 49.4 GWh | May 1955 | May 2026 | Natural Gas : 91.5% Residual Fuel Oil : 8.5% |
| Brandywine Power Facility | Alpha Generation Brandywine, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 816.7 GWh | Jul 1996 | May 2026 | Natural Gas : 95.8% Distillate Fuel Oil : 4.2% |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 123.4 GWh | Jun 2004 | May 2026 | Natural Gas |
| CPV St Charles Energy Center | CPV Maryland LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 3.7 TWh | Jan 2017 | May 2026 | Natural Gas |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 99.2 GWh | Jul 2011 | May 2026 | Wind |
| 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 |
| Criterion | Criterion Power Partners LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 258.7 GWh | Nov 2010 | May 2026 | Wind |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 16.8 GWh | Jun 2012 | May 2026 | Solar |
| Central Utility Plant at White Oak | GSA Metropolitan Service Center | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 96.0 GWh | Oct 2003 | May 2026 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Fairview Farms | Madison Energy Investments LLC | Bel Air, MD | PJM Interconnection, LLC (PJM) | 37.5 GWh | Nov 2024 | May 2026 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.8 GWh | Aug 2013 | May 2026 | Solar |
| Dans Mountain | Dans Mountain Wind Force, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 163.7 GWh | Apr 2025 | May 2026 | Wind |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 112.9 GWh | Nov 2014 | May 2026 | Wind |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 79.3 GWh | Oct 2015 | May 2026 | Wind |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.2 TWh | Mar 2018 | May 2026 | Natural Gas |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 135.1 GWh | Feb 2018 | May 2026 | Solar |
| Cherrywood Solar I | Cherrywood Solar, LLC | Greensboro, MD | PJM Interconnection, LLC (PJM) | 16.5 GWh | - | May 2026 | Solar |
| Key | Parkway Generation Keys Energy Center LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.4 TWh | Jun 2018 | May 2026 | Natural Gas |
| 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 |
| Ripley | MN8 Energy LLC | La Plata, MD | PJM Interconnection, LLC (PJM) | 47.6 GWh | Mar 2023 | May 2026 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 19.2 GWh | May 1990 | May 2026 | Distillate Fuel Oil |
| CPV Backbone Solar | CPV Backbone Solar, LLC | Swanton, MD | PJM Interconnection, LLC (PJM) | 96.2 GWh | Nov 2025 | May 2026 | Solar |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 19.9 GWh | Jan 2016 | May 2026 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 5.7 GWh | Apr 2016 | May 2026 | Solar |
| Jones Farm Solar | Urban Grid Solar | Millington, MD | PJM Interconnection, LLC (PJM) | 124.2 GWh | May 2025 | May 2026 | Solar |
| Egypt Road Solar | Urban Grid Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 44.3 GWh | Nov 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 |
| 7448 Candlewood Road | Hartz Solar, LLC | Hanover, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2020 | Dec 2025 | Solar |
| Kelso Community Solar II | Kelso Community Solar II LLC | Essex, MD | PJM Interconnection, LLC (PJM) | 901.0 MWh | Jun 2025 | Dec 2025 | Solar |
| Kirby Road Solar, LLC | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | May 2021 | Dec 2025 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2020 | 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 |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | May 2021 | Dec 2025 | Solar |
| White Marsh Solar | Nautilus Solar Solutions | White Marsh, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 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 |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2020 | Dec 2025 | Solar |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Oct 2020 | Dec 2025 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Jul 2022 | Dec 2025 | Solar |
| Todd Solar | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 31.5 GWh | Jun 2021 | Dec 2025 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2021 | Dec 2025 | Solar |
| City of Bowie | Tesla Inc. | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | May 2021 | Dec 2025 | Solar |
| Bomber CSG | Hampstead Solar, LLC | Hampstead, MD | PJM Interconnection, LLC (PJM) | 9.6 GWh | Nov 2021 | Dec 2025 | Solar |
| Hollins Ferry CSG | ICFTS MD Solar, LLC | Halethorpe, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2021 | Dec 2025 | Solar |
| MD - CS - Potomac Edison Co - GA25 TPE ( | Distributed Solar Development, LLC | Accident, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | May 2022 | Dec 2025 | Solar |
| MD - CS - BGE - PR24 TPE | Distributed Solar Development, LLC | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Aug 2022 | Dec 2025 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2021 | Dec 2025 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2022 | Dec 2025 | Solar |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Aug 2021 | Dec 2025 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Apr 2022 | Dec 2025 | Solar |
| MO33 CSG | TPE MD MO33 LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2022 | Dec 2025 | Solar |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | May 2021 | Dec 2025 | Solar |
| Brookville Smart Bus Depot Microgrid | AlphaStruxure Service Co LP | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Sep 2022 | Dec 2025 | Solar : 53.2% Natural Gas : 46.8% |
| WMATA - Cheverly Metro (CSG) | MN8 Energy LLC | Cheverly, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | Nov 2024 | Dec 2025 | Solar |
| WMATA - Naylor Rd. Metro | MN8 Energy LLC | Temple Hills, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Oct 2023 | Dec 2025 | Solar |
| WMATA - S. Ave. Carport (East) (CSG) | MN8 Energy LLC | Hillcrest Heights, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Jun 2023 | Dec 2025 | Solar |
| KDC Solar TC George Howard LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Sep 2022 | Dec 2025 | Solar |
| KDC Solar TC Blandair Park LLC | CleanCapital Holdings | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Sep 2022 | Dec 2025 | Solar |
| Friendship I | Altus Power America Management, LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 4.4 GWh | Mar 2023 | Dec 2025 | Solar |
| Friendship II | Altus Power America Management, LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 4.3 GWh | Mar 2023 | 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 |
| KDC Solar CV Ascend One LLC | KDC Solar CV Ascend One LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Apr 2023 | Dec 2025 | Solar |
| KDC Solar CV Cedar Lane Park LLC | KDC Solar CV Cedar Lane Park LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Oct 2023 | Dec 2025 | Solar |
| KDC Solar CV Central MD Regional Transit | KDC Solar CV Central MD Regional Transit LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Apr 2023 | Dec 2025 | Solar |
| KDC Solar CV Animal Control LLC | KDC Solar CV Animal Control LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Oct 2023 | Dec 2025 | Solar |
| Chaberton Solar Greyrock | Pivot Energy | Pittsville, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | May 2025 | 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 |
| Oaks Landfill CS 2 | Greenbacker Renewable Energy Corporation | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Mar 2024 | Dec 2025 | Solar |
| FedEx Hagerstown | SoCore Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Mar 2015 | Dec 2025 | Solar |
| Cabin Creek MD | AES Clean Energy | Hurlock, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | Jul 2025 | Dec 2025 | Solar |
| MD CDG 001 | MD CDG 001 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | Dec 2025 | Solar |
| MD CDG 002 | MD CDG 002 LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2024 | 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 |
| 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 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 |
| CCBC Essex | Luminace Solar MC, LLC | Essex, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Sep 2015 | Dec 2025 | Solar |
| Claggett Landing | Madison Energy Investments LLC | Upper Malboro, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Oct 2024 | Dec 2025 | Solar |
| Cromwell | Madison Energy Investments LLC | Glen Burnie, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2024 | 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 |
| Costen Solar | Costen Solar LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 17.0 GWh | Jul 2024 | 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 |