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Sultan Aziz power station

Coal power plant in Perak, Malaysia. Approximate location 3.1172, 101.3204.

CoalPerakMalaysiaSteamsubcritical

Sultan Aziz power station is a 2,164 MW coal power station in Perak, Malaysia. It is operated by Kapar Energy Ventures Sdn Bhd. Based on its capacity (estimated), it can supply roughly 2.7 million homes (estimated). It ranks #7 of 82 Malaysia power plants by installed capacity. Commissioned in 1996, it is around 30 years old — long-established. In context, coal supplies about 44.6% of Malaysia's electricity; the national grid averages 602 gCO₂/kWh (20.7% low-carbon) (2025).

2,164Source-backed capacity
2,708,091homes powered (est.)
1996commissioned (~30 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1075863.

Data status

Known data

FacilitySultan Aziz power station WRI
CountryMalaysia · Perak WRI
Coordinates3.1172, 101.3204 WRI
FuelCoal WRI
MW installed capacity2,164 MW WRI source record; scope not independently normalised
OwnerKapar Energy Ventures Sdn Bhd WRI
Commissioned1996 WRI
TechnologySteam · subcritical WRI

Calculated from dataset

CO₂ emissions9,478,320 t CO₂/yr calculated
Capacity rank in country#7 of 82 calculated
Fuel-specific rank in country#4 of 12 calculated
Capacity vs country/fuel peers1.55× · 1,400 MW median · 12 peers calculated
Homes-powered equivalent2,708,091 calculated
Climate27.1°C · HDD 0 derived from coordinates
Environmental severityC5 · 49/100 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 L100000103024); fuel: WRI source-record fuel

In context: how this plant compares

At 2,164 MW, Sultan Aziz power station is well above the median coal plant in Malaysia (1,400 MW). Technically it is described as Steam; 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.

Capacity vs largest coal plants in Malaysia

Manjung power station: 4,100 MW4kManjung po…Tanjung Bin power station: 3,100 MW3kTanjung Bi…Unnamed Malaysia coal projects: 2,800 MW3kUnnamed Ma…Sultan Aziz power station: 2,164 MW2kSultan Azi…Tg. Bin Energy: 2,100 MW2kTg. Bin En…Jimah power station: 1,400 MW1kJimah powe…Mukah West power station: 1,200 MW1kMukah West…Balingian New power station: 900 MW900Balingian …

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Kapar Energy Ventures Sdn Bhd.

Local climate & thermal context

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical rainforest climate (Köppen Af) — Northern Hemisphere, latitude 3.1°N — which shapes how much energy it can produce and how its output varies through the year.

27.1°Cannual mean temp
0heating degree-days (base 18°C)
3,326cooling degree-days (base 18°C)
14 melevation

Monthly mean temperature

J: 26 °CJF: 27 °CFM: 27 °CMA: 28 °CAM: 28 °CMJ: 28 °CJJ: 27 °CJA: 27 °CAS: 27 °CSO: 27 °CON: 27 °CND: 26 °CD28 °C

This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.

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 an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
49/100environmental-severity index
1.1°Cseasonal temperature swing
33 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 #4 largest coal power plant of 12 in Malaysia by capacity.

Malaysia has 12 coal power plants in this dataset, together about 18,844 MW of capacity.

Nearby power plants

Location

Coordinates 3.1172, 101.3204 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Sultan Aziz power station?

Sultan Aziz power station is a 2,164 MW source-record coal power plant in Perak, Malaysia, commissioned in 1996.

How many homes can Sultan Aziz power station power?

Its output is enough to supply roughly 2,708,091 homes (estimated).

Who operates Sultan Aziz power station?

Sultan Aziz power station is operated by Kapar Energy Ventures Sdn Bhd.

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