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Croix-de-Metz

Gas power plant in Lorraine, France. Approximate location 48.675, 5.8917.

GasLorraineFranceCCGT · HRSG

Croix-de-Metz is a 413 MW gas power station in Lorraine, France. It is operated by Total Direct Énergie [100%]. Based on reported annual generation of 2,064 GWh, it can supply roughly 590k homes. It ranks #50 of 2,216 France power plants by installed capacity. Commissioned in 2012, it is around 14 years old — relatively modern. In context, gas supplies about 3.0% of France's electricity; the national grid averages 41 gCO₂/kWh (94.9% low-carbon) (2025).

413Source-backed capacity
1HRSG unit(s)
2,064GWh reported / yr
589,771homes powered
2012commissioned (~14 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1002715.

Data status

Known data

FacilityCroix-de-Metz WRI
CountryFrance · Lorraine WRI
Coordinates48.675, 5.8917 WRI
FuelGas WRI
MW installed capacity413 MW WRI source record; scope not independently normalised
OwnerTotal Direct Énergie [100%] WRI
Commissioned2012 WRI
TechnologyCCGT · HRSG WRI
GWh reported / yr2,064 GWh/yr WRI

Calculated from dataset

CO₂ emissions825,680 t CO₂/yr calculated
Capacity rank in country#50 of 2216 calculated
Fuel-specific rank in country#9 of 34 calculated
Capacity vs country/fuel peers4.74× · 87 MW median · 34 peers calculated
Homes-powered equivalent589,771 calculated from reported generation
Climate9.6°C · HDD 3,070 derived from coordinates
Environmental severityC2 · 25/100 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 L100000400094); fuel: WRI source-record fuel

In context: how this plant compares

At 413 MW, Croix-de-Metz is well above the median gas plant in France (87 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: 766 GWh20152016: 1,744 GWh20162017: 2,064 GWh20172k GWh

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

Owner

Operated by Total Direct Énergie [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 48.7°N — which shapes how much energy it can produce and how its output varies through the year.

9.6°Cannual mean temp
3,070heating degree-days (base 18°C)
3cooling degree-days (base 18°C)
294 melevation

Monthly mean temperature

J: 1 °CJF: 2 °CFM: 6 °CMA: 8 °CAM: 13 °CMJ: 16 °CJJ: 18 °CJA: 18 °CAS: 14 °CSO: 10 °CON: 5 °CND: 3 °CD18 °C

Heating degree-days here run 25% 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: 64/100 — 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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
25/100environmental-severity index
16.7°Cseasonal temperature swing
343 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 #9 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

Location

Coordinates 48.675, 5.8917 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Croix-de-Metz?

Croix-de-Metz is a 413 MW source-record gas power plant in Lorraine, France, commissioned in 2012.

How much electricity does Croix-de-Metz generate?

Croix-de-Metz generates about 2,064 GWh of electricity per year.

How many homes can Croix-de-Metz power?

Its output is enough to supply roughly 589,771 homes.

Who operates Croix-de-Metz?

Croix-de-Metz is operated by Total Direct Énergie [100%].

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