5.5 MW BESS operating in Gulf, FL — Duke Energy Florida Inc
5.5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Coordinates
29.7321, -85.3914
County
Gulf, FL
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Florida, LLC | Duke Energy Florida | — |
| Owner(s) | Duke Energy Florida, LLC | Duke Energy | — |
| Status | Operating | — | — |
Cape San Blas is a battery energy storage system (BESS) located in Gulf County, Florida. The plant has a total capacity of 5.5 MW and consists of a single generator utilizing batteries as its primary fuel source. The facility is owned and operated by Duke Energy Florida, LLC, a subsidiary of Duke Energy. Cape San Blas began operating in 2022.
The plant's battery system has a total storage capacity of 14.3 MWh, providing a duration of 2.6 hours. The battery chemistry is lithium-ion (LIB). Cape San Blas operates within the Duke Energy Florida Inc balancing authority, in the SERC NERC region. The plant has a PPA price of $8.65 per MWh, according to FERC EQR data. Cape San Blas ranks as the 15th largest of 16 battery storage plants in Florida, and 950th largest of 1205 nationally.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Duke Energy Florida Inc
Grid Voltage
12.47 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
−6 MWh
Net Charging
-88 MWh
Annual Net Energy
-0.2%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
$10.3/MWh
PPA Price
Duke Energy Florida, LLC
Contract Seller
Per-Unit Cost Trends
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Duke Energy Progress, LLC, Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Last updated 2026-03-25
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