Federalsburg Energy Storage 1 LLC
Solar and battery storage project in Caroline County, Maryland. 2 MW of nameplate capacity across 2 generators, operated by Convergent Energy and Power LP.
Also known as Federalsburg Energy Storage 1, LLC · EIA plant 66499
This project groups Federalsburg Energy Storage 1 LLC (EIA 66499). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2 MWSolar 0.8 · Battery storage 1.2
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 2021First generator online
- Operator
- Convergent Energy and Power LPEIA operator ID 61978
- Grid
- PJMBalancing authority PJM
- Price nodes
- None linkedNo verified ISO node
- Location
- Caroline County, MD38.6402, −75.7111
- EIA plant ID
- 66499EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Federalsburg Energy Storage 1 produces
Free · EIA-923Net generation, 2025
1.23 GWh
1,227 MWh, final
Capacity factor, 2025
17.7%
2024: 18.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2022 to 2025
1.2–2.6
GWh a year. Low 2025, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | 1,283 | 18.3% | 12 of 12 |
| 2023 | 2,622 | 18.7% | 12 of 12 |
| 2024 | 1,299 | 18.6% | 12 of 12 |
| 2025 | 1,227 | 17.7% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| FDBA1 | Batteries | 1.2 | November 2021 |
| FDPV1 | Solar Photovoltaic | 0.8 | November 2021 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Convergent Energy and Power LP as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
300 analyst questions a month, plus MCP
Query Federalsburg Energy Storage 1 LLC and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Federalsburg Energy Storage 1
More plants operated by Convergent Energy and Power LP
Questions about Federalsburg Energy Storage 1
How much power does Federalsburg Energy Storage 1 LLC produce?
Federalsburg Energy Storage 1 LLC reported 1,227 MWh (1.23 GWh) of net generation in 2025, a 17.7% capacity factor on 2 MW of nameplate capacity.
Where is Federalsburg Energy Storage 1 LLC?
Federalsburg Energy Storage 1 LLC is in Caroline County, Maryland, at 38.6402, −75.7111. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Federalsburg Energy Storage 1 LLC?
EIA-860M for August 2026 lists Convergent Energy and Power LP as the operator (EIA operator ID 61978). The operator is not always the owner.
Is Federalsburg Energy Storage 1 LLC a solar or a battery storage plant?
Both. Solar capacity totals 0.8 MW and battery storage capacity totals 1.2 MW.
When did Federalsburg Energy Storage 1 LLC start operating?
Its first generator began operating in November 2021, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- Project names from the USGS U.S. Large-Scale Solar Photovoltaic Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page