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Bayet Combined Cycle power station

Gas power plant in Allier, France. Approximate location 46.2731, 3.3007.

GasAllierFranceCCGT · HRSG

Bayet Combined Cycle power station is a 401 MW gas power station in Allier, France. It is operated by Total Direct Énergie [100%]. Based on its capacity (estimated), it can supply roughly 452k homes (estimated). It ranks #52 of 2,216 France power plants by installed capacity. Commissioned in 2011, it is around 15 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).

401MW installed capacity
1HRSG unit(s)
451,640homes powered (est.)
2011commissioned (~15 yrs)

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

Data status

Known data

FacilityBayet Combined Cycle power station GEM-GOGPT
CountryFrance · Allier GEM-GOGPT
Coordinates46.2731, 3.3007 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity401 MW GEM · 2026 · L100000400090; operating plant capacity
OwnerTotal Direct Énergie [100%] GEM-GOGPT
Commissioned2011 GEM-GOGPT
TechnologyCCGT · HRSG GEM-GOGPT

Calculated from dataset

CO₂ emissions632,297 t CO₂·a⁻¹ calculated
Capacity rank in country#52 / 2216 calculated
Fuel-specific rank in country#10 / 34 calculated
Capacity vs country/fuel peers4.60× · 87.2 MW · n=34 calculated
Homes-powered equivalent451,640 calculated
Climate10.9°C · HDD 2,655 derived from coordinates
Environmental severityC2 · 26/100 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 · 2026 · L100000400090; fuel: GEM GOGPT

In context: how this plant compares

At 401 MW, Bayet Combined Cycle power station is well above the median gas plant in France (87.2 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.

Capacity vs largest gas plants in France

MARTIGUES PONTEAU: 998 MW998MARTIGUES …EMILE HUCHET: 826 MW826EMILE HUCH…DK6: 808 MW808DK6BOUCHAIN 7: 575 MW575BOUCHAIN 7COMBIGOLFE: 453 MW453COMBIGOLFEPont-sur-Sambre: 450 MW450Pont-sur-S…Landivisiau power station: 446 MW446Landivisia…BLENOD 5: 427 MW427BLENOD 5

Installed capacity (MW), 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 46.3°N — which shapes how much energy it can produce and how its output varies through the year.

10.9°Cannual mean temp
2,655heating degree-days (base 18°C)
77cooling degree-days (base 18°C)
273 melevation

Monthly mean temperature

J: 3 °CJF: 4 °CFM: 7 °CMA: 9 °CAM: 14 °CMJ: 17 °CJJ: 19 °CJA: 19 °CAS: 16 °CSO: 12 °CON: 6 °CND: 4 °CD19 °C

Heating degree-days here run 8% 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: 53/100 — 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)
26/100environmental-severity index
16.0°Cseasonal temperature swing
374 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 #10 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 46.2731, 3.3007 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Bayet Combined Cycle power station?

Bayet Combined Cycle power station is a 401 MW gas power plant in Allier, France, commissioned in 2011.

How many homes can Bayet Combined Cycle power station power?

Its output is enough to supply roughly 451,640 homes (estimated).

Who operates Bayet Combined Cycle power station?

Bayet Combined Cycle power station is operated by Total Direct Énergie [100%].

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