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114.5 MW Batteries (40 MW) + Solar Photovoltaic (75 MW) operating in Polk, FL — Tampa Electric Company
114.5 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2023
Operating Since
Coordinates
27.9788, -81.6102
County
Polk, FL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tampa Electric Co | Tampa Electric | — |
| Owner(s) | Tampa Electric Co | Emera | — |
| Status | Operating | operating | — |
Lake Mabel Solar and Battery Storage is a hybrid power plant located in Polk County, Florida. The facility, which began operating in 2023, has a total capacity of 114.5 MW and consists of two generators utilizing both solar photovoltaic and battery storage technologies. The plant is owned by Emera, a Canadian company, and operated by Tampa Electric Co. Lake Mabel is ranked third out of five hybrid plants in Florida and 449th nationally out of 514 similar facilities. The solar component uses single-axis tracking. The battery energy storage system (BESS) has a duration of 2.58 hours. The plant operates within the Tampa Electric Company balancing authority and the SERC NERC region.
In its latest year of operation, Lake Mabel generated 129,880 MWh, achieving a capacity factor of 12.9%. Financial data indicates an installed cost of $1315 per kW. Data sources for the financial information include Lawrence Berkeley National Laboratory (LBNL) and the Federal Energy Regulatory Commission (FERC). The plant's primary fuel source is electricity measured in MWh, reflecting its reliance on solar energy and battery storage.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Tampa Electric Company (TEC)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
7.9K MWh
Latest Month
129.9K MWh
Annual Generation
12.9%
Capacity Factor
Solar photovoltaic · Tampa Electric Company · Data from 2023–2024
$1,315/kW
Installed Cost
$5.0/MWh
Operating Cost
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
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