Jennings Energy Storage Facility
Battery storage project in Hamilton County, Florida. 5.5 MW of nameplate capacity across 1 generator, operated by Duke Energy Florida, LLC.
Also known as EIA plant 63998
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- August 2022First generator online
- Operator
- Duke Energy Florida, LLCEIA operator ID 6455
- Grid
- FPCBalancing authority FPC
- Price nodes
- None linkedNo verified ISO node
- Location
- Hamilton County, FL30.6038, −83.0981
- EIA plant ID
- 63998EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Jennings Energy Storage Facility produces
Free · EIA-923Net generation, 2025
−105 MWh
−105 MWh, final
Battery discharge, 2025
170 MWh
Charge 275 MWh
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2024 to 2025
−122.0–−105.0
MWh a year. Low 2024, high 2025
| 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 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | −122 | Not reported | 12 of 12 |
| 2025 | −105 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.
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 |
|---|---|---|---|
| ES1 | Batteries | 5.5 | August 2022 |
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 Duke Energy Florida, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Jennings Energy Storage Facility
More plants operated by Duke Energy Florida, LLC
Questions about Jennings Energy Storage Facility
How much power does Jennings Energy Storage Facility produce?
Jennings Energy Storage Facility reported −105 MWh (−105 MWh) of net generation in 2025.
Where is Jennings Energy Storage Facility?
Jennings Energy Storage Facility is in Hamilton County, Florida, at 30.6038, −83.0981. It is in the Duke Energy Florida Inc balancing area (FPC).
Who operates Jennings Energy Storage Facility?
EIA-860M for August 2026 lists Duke Energy Florida, LLC as the operator (EIA operator ID 6455). The operator is not always the owner.
When did Jennings Energy Storage Facility start operating?
Its first generator began operating in August 2022, 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