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NAPOLI L

Gas power plant in Campania, Italy. Approximate location 40.8339, 14.3006.

GasCampaniaItalyCCGT · HRSGCO₂ modelled

NAPOLI L is a 400 MW gas power station in Campania, Italy. It is operated by Tirreno. Based on reported annual generation of 1,091 GWh, it can supply roughly 312k homes. It ranks #75 of 489 Italy power plants by installed capacity. Commissioned in 2009, it is around 17 years old — relatively modern. Its modelled annual emissions are 410,484 t CO₂/yr (Climate TRACE), equivalent to about 96k cars driven for a year. In context, gas supplies about 47.2% of Italy's electricity; the national grid averages 285 gCO₂/kWh (48.8% low-carbon) (2025).

400Source-backed capacity
1HRSG unit(s)
1,091GWh reported / yr
311,800homes powered
410,484t CO₂ / yr (Climate TRACE)
2009commissioned (~17 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1002916.

Data status

Known data

FacilityNAPOLI L WRI
CountryItaly · Campania WRI
Coordinates40.8339, 14.3006 WRI
FuelGas WRI
MW installed capacity400 MW WRI source record; scope not independently normalised
OwnerTirreno WRI
Commissioned2009 WRI
TechnologyCCGT · HRSG WRI
GWh reported / yr1,091 GWh/yr WRI

Modelled source data

CO₂ emissions410,484 t CO₂/yr modelled · Climate TRACE

Calculated from dataset

Capacity rank in country#75 of 489 calculated
Fuel-specific rank in country#50 of 118 calculated
Capacity vs country/fuel peers1.23× · 324 MW median · 118 peers calculated
Homes-powered equivalent311,800 calculated from reported generation
Climate14.9°C · HDD 1,576 derived from coordinates
Environmental severityC4 · 39/100 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: GEM tracker 2026 (location L100000400407); fuel: WRI source-record fuel

In context: how this plant compares

At 400 MW, NAPOLI L 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.

~410,484 t CO₂/yr (modelled) — in everyday terms

This facility's annual emissions are roughly equivalent to:

96kpassenger cars driven for a year
54khomes' yearly energy use
6.8 milliontree seedlings grown 10 years to absorb it

Equivalencies via US EPA Greenhouse Gas Equivalencies; modelled emissions from Climate TRACE.

Reported generation trend

2015: 715 GWh20152016: 1,214 GWh20162017: 1,091 GWh20171k GWh

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

Owner

Operated by Tirreno.

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 hot-summer Mediterranean climate (Köppen Csa) — Northern Hemisphere, latitude 40.8°N — which shapes how much energy it can produce and how its output varies through the year.

14.9°Cannual mean temp
1,576heating degree-days (base 18°C)
470cooling degree-days (base 18°C)
229 melevation

Monthly mean temperature

J: 8 °CJF: 8 °CFM: 10 °CMA: 12 °CAM: 17 °CMJ: 20 °CJJ: 23 °CJA: 23 °CAS: 20 °CSO: 16 °CON: 12 °CND: 9 °CD23 °C

Heating degree-days here run 36% 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: 35/100 — 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 corrosive environment (estimated ISO 9223 class C4 — High), with marine corrosion the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
39/100environmental-severity index
15.6°Cseasonal temperature swing
23 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 #50 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 40.8339, 14.3006 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is NAPOLI L?

NAPOLI L is a 400 MW source-record gas power plant in Campania, Italy, commissioned in 2009.

How much electricity does NAPOLI L generate?

NAPOLI L generates about 1,091 GWh of electricity per year.

How many homes can NAPOLI L power?

Its output is enough to supply roughly 311,800 homes.

Who operates NAPOLI L?

NAPOLI L is operated by Tirreno.

How much CO₂ does NAPOLI L emit?

NAPOLI L has modelled emissions of about 410,484 tonnes of CO₂ per year (Climate TRACE).

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