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Zamboanga power station

Coal power plant in , Philippines. Approximate location 7.003675, 121.9237.

CoalPhilippinessubcritical

Zamboanga power station is a 120 MW coal power station in , Philippines. It is operated by San Ramon Power Inc [100%]. Based on its capacity (estimated), it can supply roughly 150k homes (estimated). It ranks #88 of 186 Philippines power plants by installed capacity. In context, coal supplies about 58.7% of Philippines's electricity; the national grid averages 588 gCO₂/kWh (23.3% low-carbon) (2025).

120MW installed capacity
150,171homes powered (est.)
2028Announced

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

Data status

Known data

FacilityZamboanga power station GEM-coal
CountryPhilippines · GEM-coal
Coordinates7.003675, 121.9237 GEM-coal
FuelCoal GEM-coal
MW installed capacity120 MW GEM GCPT; source record
OwnerSan Ramon Power Inc [100%] GEM-coal
Commissioned2028 GEM-coal
Technologysubcritical GEM-coal

Calculated from dataset

CO₂ emissions525,600 t CO₂·a⁻¹ calculated
Capacity rank in country#88 / 186 calculated
Fuel-specific rank in country#36 / 50 calculated
Capacity vs country/fuel peers0.40× · 300 MW · n=50 calculated
Homes-powered equivalent150,171 calculated
Environmental severityC5 · 48/100 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 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 GCPT; fuel: GEM GCPT

In context: how this plant compares

At 120 MW, Zamboanga power station is below the median coal plant in Philippines (300 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.

Capacity vs largest coal plants in Philippines

Sual power station: 1,294 MW1kSual power…SMC Mariveles power station: 1,200 MW1kSMC Marive…Zest-O power station: 1,200 MW1kZest-O pow…Pagbilao power station: 1,155 MW1kPagbilao p…Quezon power station: 1,066 MW1kQuezon pow…Masinloc power station: 1,026 MW1kMasinloc p…Calaca power station: 900 MW900Calaca pow…Mariveles Power Plant: 652 MW652Mariveles …

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

Owner

Operated by San Ramon Power Inc [100%].

Climate zone & how it works

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical monsoon climate (Köppen Am) — Northern Hemisphere, latitude 7.0°N — which shapes how much energy it can produce and how its output varies through the year.

~26°Ctypical annual mean
~28°Ctypical warm-season mean
Tropical monsoon: hot and humid year-round with little seasonal variation

Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

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)
48/100environmental-severity index
1.0°Cseasonal temperature swing
35 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 #36 largest coal power plant of 50 in Philippines by capacity.

Philippines has 50 coal power plants in this dataset, together about 18,322 MW of capacity.

Nearby power plants

Location

Coordinates 7.003675, 121.9237 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Zamboanga power station?

Zamboanga power station is a 120 MW coal power plant in , Philippines, Announced 2028.

How many homes can Zamboanga power station power?

Its output is enough to supply roughly 150,171 homes (estimated).

Who operates Zamboanga power station?

Zamboanga power station is operated by San Ramon Power Inc [100%].

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