Lake Mabel Solar and Battery Storage
Solar and battery storage project in Polk County, Florida. 114.5 MW of nameplate capacity across 2 generators, operated by Tampa Electric Co.
Also known as Lake Mabel Solar · EIA plant 66128
This project groups Lake Mabel Solar and Battery Storage (EIA 66128). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 114.5 MWSolar 74.5 · Battery storage 40.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 2023First generator online
- Operator
- Tampa Electric CoEIA operator ID 18454
- Grid
- TECBalancing authority TEC
- Price nodes
- None linkedNo verified ISO node
- Location
- Polk County, FL27.9788, −81.6102
- EIA plant ID
- 66128EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Lake Mabel Solar and Battery Storage produces
Free · EIA-923Net generation, 2025
114 GWh
113,981 MWh, final. 10 of 12 months reported
Capacity factor, 2025
Not reported
2024: 20.1%
January to July 2026
86.1 GWh
Provisional
| 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 | 5,040 | Not reported | 1 of 12 |
| 2024 | 131,680 | 20.1% | 12 of 12 |
| 2025 | 113,981 | Not reported | 10 of 12 |
| 2026 (provisional, partial year) | 86,051 | 23.3% | 7 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 |
|---|---|---|---|
| 1 | Solar Photovoltaic | 74.5 | December 2023 |
| BESS1 | Batteries | 40.0 | March 2025 |
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 Tampa Electric Co 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 Lake Mabel Solar and Battery Storage and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Lake Mabel Solar and Battery Storage
More plants operated by Tampa Electric Co
Questions about Lake Mabel Solar and Battery Storage
How much power does Lake Mabel Solar and Battery Storage produce?
Lake Mabel Solar and Battery Storage reported 113,981 MWh (114 GWh) of net generation in 2025. From January to July 2026 it reported 86.1 GWh, which is provisional. 10 of 12 months were reported for 2025.
Where is Lake Mabel Solar and Battery Storage?
Lake Mabel Solar and Battery Storage is in Polk County, Florida, at 27.9788, −81.6102. It is in the Tampa Electric Company balancing area (TEC).
Who operates Lake Mabel Solar and Battery Storage?
EIA-860M for August 2026 lists Tampa Electric Co as the operator (EIA operator ID 18454). The operator is not always the owner.
Is Lake Mabel Solar and Battery Storage a solar or a battery storage plant?
Both. Solar capacity totals 74.5 MW and battery storage capacity totals 40 MW.
When did Lake Mabel Solar and Battery Storage start operating?
Its first generator began operating in December 2023, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page