CT LADA 4 is a 347.7 MW coal power station in Asturias, Spain. It is operated by IBERDROLA GENERACION S.A.. Based on reported annual generation of 1,544 GWh, it can supply roughly 441k homes. It ranks #73 of 899 Spain power plants by installed capacity. Commissioned in 1981, it is around 45 years old — long-established. Its annual emissions of 2,278 t CO₂/yr (EU ETS verified (EUTL 2023)) are equivalent to about 531 cars driven for a year. In context, coal supplies about 0.3% of Spain's electricity; the national grid averages 154 gCO₂/kWh (74.6% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1006408.
Data status
Known data
Calculated from dataset
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Capacity and fuel are the upstream open-dataset record, not yet matched to a 2026 registry or GEM entry.
capacity: WRI GPPD; fuel: WRI GPPD
In context: how this plant compares
At 347.7 MW, CT LADA 4 is below the median coal plant in Spain (515.6 MW). Technically it is described as subcritical. Coal plants burn pulverised coal to raise high-pressure steam for a turbine; they run as baseload but are the most carbon-intensive mainstream source and the first targeted for retirement or efficiency retrofits.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
2,278 t CO₂/yr — in everyday terms
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).
Key facts
- Load factor
- 51%, from 1,544 GWh of reported generation, in line with the 51% median for 12 coal plants in Spain
- Generation trend
- 1,847 GWh in 2015 and 1,544 GWh in 2017 (−16%)
- Highest and lowest year
- 2015: 1,847 GWh; 2016: 1,147 GWh
- Share of Spain coal capacity
- 2.8% of 12,360 MW across 24 plants in this dataset
- Age among peers
- 9 of 23 dated coal plants in Spain are older
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Reported generation trend
Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by IBERDROLA GENERACION S.A.. All plants by this company →
Local climate & thermal context
This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a warm-summer Mediterranean climate (Köppen Csb) — Northern Hemisphere, latitude 43.3°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 3% below 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: 49/100 — this site sits in the mid third of the power plants we cover by heating degree-days.
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 corrosive environment (estimated ISO 9223 class C4 — High), with marine corrosion 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 #14 largest coal power plant of 24 in Spain by capacity.
Spain has 24 coal power plants in this dataset, together about 12,360 MW of capacity.
Nearby power plants
- La Pereda Hunosa power station · Coal · 50 MW · Asturias
- SOTO RIBERA 3 · Coal · 346.2 MW · Asturias
- CTCC SOTO DE RIBERA GRUPO 5 · Gas · 854.2 MW · Asturias
- P.E. MURIAS II · Wind · 84.8 MW · Asturias
- TANES 1 · Hydro · 123 MW · Asturias
- PROAZA 1 · Hydro · 49.5 MW · Asturias
Location
Coordinates 43.3082, -5.7001 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is CT LADA 4?
CT LADA 4 is a 347.7 MW coal power plant in Asturias, Spain, commissioned in 1981.
How much electricity does CT LADA 4 generate?
CT LADA 4 generates about 1,544 GWh of electricity per year.
Who operates CT LADA 4?
CT LADA 4 is operated by IBERDROLA GENERACION S.A..
How much CO₂ does CT LADA 4 emit?
CT LADA 4 has measured emissions of about 2,278 tonnes of CO₂ per year (EU ETS verified (EUTL 2023)).