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Sagamu power station — Nigeria

Gas power plant in Ogun, Nigeria. Approximate location 6.8322, 3.6319.

GasOgunNigeriaOCGT

Sagamu power station is a 400 MW gas power station in Ogun, Nigeria. It is operated by Sagamu Independent Power Plant Ltd [100%]. Based on its capacity (estimated), it can supply roughly 451k homes (estimated). It ranks #45 of 69 Nigeria power plants by installed capacity. In context, gas supplies about 68.7% of Nigeria's electricity; the national grid averages 456 gCO₂/kWh (31.3% low-carbon) (2025).

400MW installed capacity
450,514homes powered (est.)

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

Data status

Known data

FacilitySagamu power station GEM-GOGPT
CountryNigeria · Ogun GEM-GOGPT
Coordinates6.8322, 3.6319 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity400 MW GEM GOGPT; source record
OwnerSagamu Independent Power Plant Ltd [100%] GEM-GOGPT
TechnologyOCGT GEM-GOGPT

Calculated from dataset

CO₂ emissions630,720 t CO₂·a⁻¹ calculated
Capacity rank in country#45 / 69 calculated
Fuel-specific rank in country#33 / 48 calculated
Capacity vs country/fuel peers0.80× · 501 MW · n=48 calculated
Homes-powered equivalent450,514 calculated
Environmental severityC4 · 43/100 derived from coordinates

Not available

CommissionedNot available not in dataset
GWh reported / yrNot available not in 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: GEM GOGPT; fuel: GEM GOGPT

In context: how this plant compares

At 400 MW, Sagamu power station is below the median gas plant in Nigeria (501 MW). Technically it is described as OCGT. 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.

Key facts

Share of Nigeria gas capacity
1.3% of 30,326 MW across 48 plants in this dataset

Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).

Capacity vs largest gas plants in Nigeria

Egbin power station: 3,120 MW3kEgbin powe…Lekki Project power station: 1,500 MW2kLekki Proj…Okija power station: 1,500 MW2kOkija powe…Kano power station: 1,350 MW1kKano power…Abuja power station: 1,250 MW1kAbuja powe…Geregu II power station: 1,226 MW1kGeregu II …Kingline Ondo power station: 1,100 MW1kKingline O…Alaoji: 1,074 MW1kAlaoji

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

Owner

Operated by Sagamu Independent Power Plant Ltd [100%].

Climate zone & how it works

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 6.8°N — which shapes how much energy it can produce and how its output varies through the year.

~26°Ctypical annual mean
~29°Ctypical warm-season mean
Tropical savanna: 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

This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
43/100environmental-severity index
3.7°Cseasonal temperature swing
66 kmdistance to coast

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 #33 largest gas power plant of 48 in Nigeria by capacity.

Nigeria has 48 gas power plants in this dataset, together about 30,326 MW of capacity.

Nearby power plants

Location

Coordinates 6.8322, 3.6319 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Sagamu power station?

Sagamu power station is a 400 MW gas power plant in Ogun, Nigeria.

Who operates Sagamu power station?

Sagamu power station is operated by Sagamu Independent Power Plant Ltd [100%].

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