Interstate Solar Energy Center — Plant Summary
- EIA Plant ID
- 61768
- Capacity
- 74.5 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- St Lucie, FL
- Operating Since
- 2019
- Generators
- 1
- Operator
- Florida Power & Light Co
- Parent Company
- NextEra Energy
- Annual Generation
- 135,110 MWh
- Capacity Factor
- 20.7%
- Balancing Authority
- Florida Power & Light Company
- ISO/RTO
- —
- NERC Region
- SERC
Interstate Solar Energy Center
OperatingSolar
Ranked #149 of 235 Solar plants in FL#1114 of 7447 nationally
74.5 MW Solar operating in St Lucie, FL — Florida Power & Light Company
EIAGEMWD
74.5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2019
Operating Since
Location
Coordinates
27.4876, -80.4426
County
St Lucie, FL
Nearby Plants
- Clover FLSolar74.5 MW · 7.7 km
- Spanish MossSolar74.5 MW · 12.3 km
- Sea GrapeSolar74.5 MW · 12.6 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Florida Power & Light Co | Florida Power & Light | — |
| Owner(s) | Florida Power & Light Co | NextEra Energy | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Interstate Solar Energy Center is a 74.5 MW solar photovoltaic power plant located in St. Lucie County, Florida. The plant began operating in 2019 and is owned by NextEra Energy and operated by Florida Power & Light Co. It consists of a single generator utilizing fixed-tilt solar tracking technology. The plant is ranked 79th out of 227 power plants in Florida and 892nd nationally out of 7108 plants. It operates within the Florida Power & Light Company balancing authority, which is part of the SERC NERC region.
In its most recent year of operation, the Interstate Solar Energy Center generated 135,110 MWh of electricity, achieving a capacity factor of 20.7%. Financial data indicates an installed cost of $1183.32 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Florida Power & Light Company
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
9.8K MWh
Latest Month
135.1K MWh
Annual Generation
20.7%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$1,255/kW
Installed Cost
$-2.0/MWh
Operating Cost
Florida Power & Light Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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