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Santa Barbara

Gas power plant in Tuscany, Italy. Approximate location 43.565, 11.4777.

GasTuscanyItalyCCGT · HRSG

Santa Barbara is a 391 MW gas power station in Tuscany, Italy. It is operated by Enel SpA [100%]. Based on reported annual generation of 1,680 GWh, it can supply roughly 480k homes. It ranks #80 of 489 Italy power plants by installed capacity. Commissioned in 2006, it is around 20 years old — relatively modern. In context, gas supplies about 47.2% of Italy's electricity; the national grid averages 285 gCO₂/kWh (48.8% low-carbon) (2025).

391Source-backed capacity
1HRSG unit(s)
1,680GWh reported / yr
479,885homes powered
2006commissioned (~20 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1002940.

Data status

Known data

FacilitySanta Barbara WRI
CountryItaly · Tuscany WRI
Coordinates43.565, 11.4777 WRI
FuelGas WRI
MW installed capacity391 MW WRI source record; scope not independently normalised
OwnerEnel SpA [100%] WRI
Commissioned2006 WRI
TechnologyCCGT · HRSG WRI
GWh reported / yr1,680 GWh/yr WRI

Calculated from dataset

CO₂ emissions671,840 t CO₂/yr calculated
Capacity rank in country#80 of 489 calculated
Fuel-specific rank in country#54 of 118 calculated
Capacity vs country/fuel peers1.21× · 324 MW median · 118 peers calculated
Homes-powered equivalent479,885 calculated from reported generation
Climate13.1°C · HDD 2,077 derived from coordinates
Environmental severityC3 · 34/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset

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

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 391 MW, Santa Barbara is well above the median gas plant in Italy (324 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.

Reported generation trend

2015: 148 GWh20152016: 852 GWh20162017: 1,680 GWh20172k GWh

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

Owner

Operated by Enel SpA [100%].

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 temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 43.6°N — which shapes how much energy it can produce and how its output varies through the year.

13.1°Cannual mean temp
2,077heating degree-days (base 18°C)
311cooling degree-days (base 18°C)
375 melevation

Monthly mean temperature

J: 5 °CJF: 6 °CFM: 8 °CMA: 11 °CAM: 16 °CMJ: 19 °CJJ: 22 °CJA: 22 °CAS: 19 °CSO: 14 °CON: 9 °CND: 6 °CD22 °C

Heating degree-days here run 16% 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: 44/100 — this site sits in the mid third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~0% 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

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
34/100environmental-severity index
17.1°Cseasonal temperature swing
100 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

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 #54 largest gas power plant of 118 in Italy by capacity.

Italy has 118 gas power plants in this dataset, together about 53,570 MW of capacity.

Nearby power plants

Location

Coordinates 43.565, 11.4777 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Santa Barbara?

Santa Barbara is a 391 MW source-record gas power plant in Tuscany, Italy, commissioned in 2006.

How much electricity does Santa Barbara generate?

Santa Barbara generates about 1,680 GWh of electricity per year.

How many homes can Santa Barbara power?

Its output is enough to supply roughly 479,885 homes.

Who operates Santa Barbara?

Santa Barbara is operated by Enel SpA [100%].

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