GENNEVILLIERS 1 is a 203 MW gas power station in Ile-de-France, France. It is operated by Electricité de France SA [100%]. Based on reported annual generation of 105 GWh, it can supply roughly 30k homes. It ranks #72 of 2,216 France power plants by installed capacity. Commissioned in 1994, it is around 32 years old — long-established. In context, gas supplies about 3.0% of France's electricity; the national grid averages 41 gCO₂/kWh (94.9% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1002731.
Data status
Known data
Calculated from dataset
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 · L100000400101; fuel: WRI GPPD
In context: how this plant compares
At 203 MW, GENNEVILLIERS 1 is well above the median gas plant in France (87.2 MW). Technically it is described as OCGT. 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
- 6%, from 105 GWh of reported generation; the median for 8 gas plants in France that report generation is 53%
- Share of France gas capacity
- 2.6% of 7,707 MW across 34 plants in this dataset
- Age among peers
- 3 of 32 dated gas plants in France are older
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest gas plants in France
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by Electricité de France SA [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 48.9°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
Heating degree-days here run 0% above 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: 50/100 — 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
This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.
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 #12 largest gas power plant of 34 in France by capacity.
France has 34 gas power plants in this dataset, together about 7,707 MW of capacity.
Nearby power plants
- Saint-Ouen · Biomass · 13.4 MW · Ile-de-France
- Argenteuil · Biomass · 10.3 MW · Ile-de-France
- Sarcelles · Biomass · 4.4 MW · Ile-de-France
- Isséane Waste-To-Energy power station · Biomass · 52 MW · Ile-de-France
- Issy-les-Moulineaux · Biomass · 55 MW · Ile-de-France
- Ivry-Paris XIII power station · Biomass · 64 MW · Ile-de-France
Location
Coordinates 48.9333, 2.3 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is GENNEVILLIERS 1?
GENNEVILLIERS 1 is a 203 MW gas power plant in Ile-de-France, France, commissioned in 1994.
How much electricity does GENNEVILLIERS 1 generate?
GENNEVILLIERS 1 generates about 105 GWh of electricity per year.
Who operates GENNEVILLIERS 1?
GENNEVILLIERS 1 is operated by Electricité de France SA [100%].