Hefaistos power station is a 500 MW gas power station in Mures, Romania. It is operated by Societatea de Administrare a Participațiilor în Energie SA; Electrocentrale Bucu. Based on its capacity (estimated), it can supply roughly 563k homes (estimated). It ranks #13 of 97 Romania power plants by installed capacity. In context, gas supplies about 18.7% of Romania's electricity; the national grid averages 251 gCO₂/kWh (67.5% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GOGPT_hefaistos_romani.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.
capacity: GEM GOGPT; fuel: GEM GOGPT
At 500 MW, Hefaistos power station is well above the median gas plant in Romania (200 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). Its current lifecycle status is “Announced” — so it is not yet, or no longer, generating at full output. 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.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Societatea de Administrare a Participațiilor în Energie SA; Electrocentrale Bucu.
This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 46.4°N — which shapes how much energy it can produce and how its output varies through the year.
Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
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.
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.
The #3 largest gas power plant of 26 in Romania by capacity.
Romania has 26 gas power plants in this dataset, together about 6,358 MW of capacity.
Coordinates 46.421472, 24.77175 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Hefaistos power station is a 500 MW gas power plant in Mures, Romania, Announced 2027.
Its output is enough to supply roughly 563,142 homes (estimated).
Hefaistos power station is operated by Societatea de Administrare a Participațiilor în Energie SA; Electrocentrale Bucu.
