Sanford — United States of America

Gas power plant in Florida, United States of America. Approximate location 28.8419, -81.3256.

GasFloridaUnited States of AmericaCCGT · HRSG

Sanford is a 2,377.8 MW gas power station in Florida, United States of America. It is operated by Florida Power & Light Co. Based on reported annual generation of 8,486 GWh, it can supply roughly 2.4 million homes. It ranks #110 of 10,884 United States of America power plants by installed capacity. Commissioned in 1991, it is around 35 years old — long-established. In context, gas supplies about 40.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

2,377.8MW installed capacity
2HRSG unit(s)
8,486GWh reported / yr
2,424,685homes powered
1991commissioned (~35 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0000620.

Data status

Known data

FacilitySanford WRI
CountryUnited States of America · Florida WRI
Coordinates28.8419, -81.3256 WRI
FuelGas WRI
MW installed capacity2,377.8 MW GEM · 2026 · L100000401955; operating plant capacity
Verification noteQuality label backfilled from existing source-backed capacity provenance on 2026-07-05; capacity value was not changed. source-verified
OwnerFlorida Power & Light Co WRI
Commissioned1991 WRI
TechnologyCCGT · HRSG WRI
GWh reported / yr8,486 GWh·a⁻¹ WRI

Calculated from dataset

CO₂ emissions3,394,560 t CO₂·a⁻¹ calculated
Capacity rank in country#110 / 10884 calculated
Fuel-specific rank in country#25 / 2165 calculated
Capacity vs country/fuel peers19.62× · 121.2 MW · n=2165 calculated
Homes-powered equivalent2,424,685 calculated from reported generation
Climate21.8°C · HDD 207 derived from coordinates
Environmental severityC4 · 42/100 derived from coordinates

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

Source of the capacity and fuel values:

capacity: GEM · 2026 · L100000401955; fuel: WRI GPPD

In context: how this plant compares

At 2,377.8 MW, Sanford is well above the median gas plant in United States of America (121.2 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Key facts

Load factor
41%, from 8,486 GWh of reported generation; the median for 1622 gas plants in United States of America that report generation is 26%
Share of United States of America gas capacity
0.3% of 789,950 MW across 2,165 plants in this dataset
Age among peers
569 of 1,973 dated gas plants in United States of America are older

Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).

Reported generation trend

2013: 9,106 GWh20132014: 0 GWh20142015: 0 GWh20152016: 0 GWh20162017: 0 GWh20172018: 0 GWh20182019: 8,486 GWh20199k GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Local climate & thermal context

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 28.8°N — which shapes how much energy it can produce and how its output varies through the year.

21.8°Cannual mean temp
207heating degree-days (base 18°C)
1,615cooling degree-days (base 18°C)
11 melevation

Monthly mean temperature

J: 15 °CJF: 16 °CFM: 19 °CMA: 21 °CAM: 24 °CMJ: 27 °CJJ: 28 °CJA: 28 °CAS: 27 °CSO: 23 °CON: 20 °CND: 16 °CD28 °C

Heating degree-days here run 92% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 17/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~5% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
42/100environmental-severity index
12.5°Cseasonal temperature swing
59 kmdistance to coast

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #25 largest gas power plant of 2165 in United States of America by capacity.

United States of America has 2165 gas power plants in this dataset, together about 789,950 MW of capacity.

Nearby power plants

Location

Coordinates 28.8419, -81.3256 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Sanford?

Sanford is a 2,377.8 MW gas power plant in Florida, United States of America, commissioned in 1991.

How much electricity does Sanford generate?

Sanford generates about 8,486 GWh of electricity per year.

Who operates Sanford?

Sanford is operated by Florida Power & Light Co.

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