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12.6 MW Natural Gas operating in Duval, FL
12.6 MW
Nameplate Capacity
5
Generators
units
Natural Gas Internal Combustion Engine
Technology
2018
Operating Since
Coordinates
30.3941, -81.5583
County
Duval, FL
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Jax LNG | — | — |
| Owner(s) | Jax LNG | — | — |
| Status | Operating | — | — |
Jax LNG is a natural gas-fired power plant located in Duval County, Florida. The plant, which began operating in 2018, has a total capacity of 12.6 MW distributed across five natural gas internal combustion engine generators. Jax LNG is owned and operated by Jax LNG. The plant operates within the JEA balancing authority and the SERC NERC region.
In its most recent year of operation, Jax LNG generated 36,584 MWh of electricity, achieving a capacity factor of 33.0%. The plant ranks 61st out of 68 power plants in Florida and 1404th out of 1963 plants nationally. The plant has been the subject of 10 news articles, with coverage split between industry (6 articles) and regulatory (4 articles) topics.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
JEA (JEA)
Grid Voltage
25.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Commercial Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
2.4K MWh
Latest Month
36.6K MWh
Annual Generation
33.0%
Capacity Factor
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CO₂ Intensity
962 lb/MWh
NOx
22 lb/MWh
SO₂
0.026 lb/MWh
CH₄
0.018 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
27.7%
Annual Net Gen
31 GWh
CO₂eq
963 lb/MWh
Subregion
FRCC All
2018
$837/kW
Est. Construction Cost
Total estimated cost: $10.5M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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