30 MW Natural Gas operating in Duval, FL — JEA
30 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Steam Turbine
Technology
1957
Operating Since
Coordinates
30.4221, -81.6048
County
Duval, FL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | WestRock Seminole | — | — |
| Owner(s) | WestRock Seminole | — | — |
| Status | Operating | — | — |
Seminole Mill is a 30 MW natural gas-fired power plant located in Duval County, Florida. The plant began operating in 1957 and is owned and operated by WestRock Seminole. It utilizes a single natural gas steam turbine generator. Seminole Mill operates within the JEA balancing authority and is part of the SERC NERC region.
In the most recent year with available data, Seminole Mill generated 138,720 MWh of electricity, achieving a capacity factor of 52.6%. The plant is ranked as the 56th largest in Florida out of 68 plants, and nationally it is ranked 1236 out of 1963 plants.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
JEA
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Commercial
Sector
Industrial CHP
12.0K MWh
Latest Month
138.7K MWh
Annual Generation
52.6%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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Last updated 2026-03-26
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