Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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 |
| Maryland Bioenergy Center (Jessup) | Bioenergy DevCo | Jessup, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Aug 2022 | Dec 2025 | Natural Gas |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.8 GWh | Aug 2013 | May 2026 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2020 | Dec 2025 | Solar |
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 716.0 MWh | Nov 2010 | 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 |
| 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 |
| MD - CPG - Ten Oaks | Solar DG MD Ten Oaks LLC | Glenelg, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Sep 2024 | 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 |
| 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 - Potomac Edison Co - GA29 TPE | Forefront Power, LLC | Friendsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Dec 2020 | Dec 2024 | 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 - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Jul 2022 | 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 |
| 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 |
| MEBA | Altus Power America Management, LLC | Easton, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Oct 2014 | Dec 2025 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Jul 2023 | Dec 2025 | Solar |
| Millersville LFG | LES Operations Services LLC | Severn, MD | PJM Interconnection, LLC (PJM) | 20.9 GWh | Jun 2012 | Dec 2025 | Landfill Gas |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Jan 2018 | Dec 2025 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2020 | 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 |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.5 GWh | Oct 2017 | Dec 2025 | Solar |
| 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% |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.4 GWh | May 2018 | Dec 2025 | Solar |
| Morgantown Generating Plant | Lanyard Power Holdings, LLC | Newburg, MD | PJM Interconnection, LLC (PJM) | 22.4 GWh | May 1970 | May 2026 | Distillate Fuel Oil |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 16.8 GWh | Jun 2012 | May 2026 | Solar |
| Mustang One | Nautilus Solar Solutions | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Jan 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 |
|---|---|---|---|
| Allegany County, MD | # 11 | 5 | 195.8 GWh |
| Anne Arundel County, MD | # 5 | 12 | 3.4 TWh |
| Baltimore city, MD | # 9 | 11 | 380.5 GWh |
| Baltimore County, MD | # 17 | 29 | 70.0 GWh |
| Calvert County, MD | # 1 | 3 | 14.9 TWh |
| Caroline County, MD | # 21 | 2 | 17.8 GWh |
| Carroll County, MD | # 20 | 4 | 24.4 GWh |
| Cecil County, MD | # 4 | 9 | 3.7 TWh |
| Charles County, MD | # 3 | 6 | 3.8 TWh |
| Dorchester County, MD | # 13 | 7 | 93.8 GWh |
| Frederick County, MD | # 16 | 11 | 70.9 GWh |
| Garrett County, MD | # 8 | 16 | 701.4 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Harford County, MD | # 6 | 19 | 2.0 TWh |
| Howard County, MD | # 15 | 25 | 74.2 GWh |
| Kent County, MD | # 22 | 6 | 17.3 GWh |
| Montgomery County, MD | # 7 | 18 | 780.3 GWh |
| Prince George's County, MD | # 2 | 40 | 8.0 TWh |
| Queen Anne's County, MD | # 10 | 9 | 310.4 GWh |
| Somerset County, MD | # 12 | 7 | 158.0 GWh |
| Talbot County, MD | # 23 | 3 | 14.2 GWh |
| Washington County, MD | # 14 | 20 | 77.4 GWh |
| Wicomico County, MD | # 18 | 8 | 44.5 GWh |
| Worcester County, MD | # 19 | 5 | 34.3 GWh |