Solar BESS Hybrid
Solar and natural gas project in Cobb County, Georgia. 3.5 MW of nameplate capacity across 3 generators, operated by Cobb Electric Membership Corporation.
Also known as EIA plant 63535
This project groups Solar BESS Hybrid (EIA 63535). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.5 MWSolar 1.5 · Natural gas 1.0 · Battery storage 1.0
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- October 2020First generator online
- Operator
- Cobb Electric Membership CorporationEIA operator ID 63260
- Grid
- SOCOBalancing authority SOCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Cobb County, GA33.9793, −84.5561
- EIA plant ID
- 63535EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Solar BESS Hybrid produces
Free · EIA-923Net generation, 2025
2.16 GWh
2,156 MWh, final
Capacity factor, 2025
10.4%
2024: 10.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2021 to 2025
2.2–2.3
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 | 696 | Not reported | 3 of 12 |
| 2021 | 2,240 | 17.8% | 12 of 12 |
| 2022 | 653 | Not reported | 4 of 12 |
| 2023 | 2,293 | 10.8% | 12 of 12 |
| 2024 | 2,273 | 10.8% | 12 of 12 |
| 2025 | 2,156 | 10.4% | 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 |
|---|---|---|---|
| NG | Natural Gas Fired Combustion Turbine | 1.0 | September 2022 |
| SOLAR | Solar Photovoltaic | 1.5 | October 2020 |
| TEST | Batteries | 1.0 | October 2020 |
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 Cobb Electric Membership Corporation 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.
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Power plants near Solar BESS Hybrid
More plants operated by Cobb Electric Membership Corporation
Questions about Solar BESS Hybrid
How much power does Solar BESS Hybrid produce?
Solar BESS Hybrid reported 2,156 MWh (2.16 GWh) of net generation in 2025, a 10.4% capacity factor on 3.5 MW of nameplate capacity.
Where is Solar BESS Hybrid?
Solar BESS Hybrid is in Cobb County, Georgia, at 33.9793, −84.5561. It is in the Southern Company Services, Inc. - Trans balancing area (SOCO).
Who operates Solar BESS Hybrid?
EIA-860M for August 2026 lists Cobb Electric Membership Corporation as the operator (EIA operator ID 63260). The operator is not always the owner.
Is Solar BESS Hybrid a solar or a natural gas plant?
Both. Solar capacity totals 1.5 MW and natural gas capacity totals 1 MW, with 1 MW of battery storage.
When did Solar BESS Hybrid start operating?
Its first generator began operating in October 2020, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page