Malzenice CCGT Power Plant Slovakia is a 436 MW gas power station in Trnavsky, Slovakia. It is operated by Západoslovenská energetika [100%]. Based on its capacity (estimated), it can supply roughly 491k homes (estimated). It ranks #8 of 37 Slovakia power plants by installed capacity. Commissioned in 2011, it is around 15 years old — relatively modern. Its annual emissions of 338,664 t CO₂/yr (EU ETS verified (EUTL 2023)) are equivalent to about 79k cars driven for a year. In context, gas supplies about 11.3% of Slovakia's electricity; the national grid averages 95 gCO₂/kWh (85.2% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id GEODB0042638.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
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 operating-unit sum (location L100000400631); fuel: WRI source-record fuel
At 436 MW, Malzenice CCGT Power Plant Slovakia is well above the median gas plant in Slovakia (80 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.
This facility's annual emissions are roughly equivalent to:
Equivalencies via US EPA Greenhouse Gas Equivalencies; emissions per EU ETS verified (EUTL 2023) (measured for US EPA/EU ETS, modelled for Climate TRACE).
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Západoslovenská energetika [100%].
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 48.4°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 27% 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: 66/100 — 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.
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 #1 largest gas power plant of 8 in Slovakia by capacity.
Slovakia has 8 gas power plants in this dataset, together about 1,076 MW of capacity.
Coordinates 48.4296, 17.6978 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Malzenice CCGT Power Plant Slovakia is a 436 MW source-record gas power plant in Trnavsky, Slovakia, commissioned in 2011.
Its output is enough to supply roughly 491,060 homes (estimated).
Malzenice CCGT Power Plant Slovakia is operated by Západoslovenská energetika [100%].
Malzenice CCGT Power Plant Slovakia has measured emissions of about 338,664 tonnes of CO₂ per year (EU ETS verified (EUTL 2023)).
