Marsat is a 840 MW gas power station in Oran, Algeria. Based on its capacity (estimated), it can supply roughly 946k homes (estimated). It ranks #13 of 76 Algeria power plants by installed capacity. In context, gas supplies about 98.6% of Algeria's electricity; the national grid averages 633 gCO₂/kWh (1.1% low-carbon) (2024).

840MW installed capacity
946,080homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1023772.

Data status

Known data

FacilityMarsat WRI
CountryAlgeria · Oran WRI
Coordinates35.8, -0.1924 WRI
FuelGas WRI
MW installed capacity840 MW GEM · 2026 · L100000406057; operating plant capacity
Verification noteQuality label backfilled from existing source-backed capacity provenance on 2026-07-05; capacity value was not changed. source-verified

Calculated from dataset

CO₂ emissions1,324,512 t CO₂·a⁻¹ calculated
Capacity rank in country#13 / 76 calculated
Fuel-specific rank in country#13 / 48 calculated
Capacity vs country/fuel peers1.81× · 465 MW · n=48 calculated
Homes-powered equivalent946,080 calculated
Climate18.3°C · HDD 777 derived from coordinates
Environmental severityC5 · 61/100 derived from coordinates

Not available

OwnerNot available not in dataset
CommissionedNot available not in dataset
TechnologyNot 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

Source of the capacity and fuel values:

capacity: GEM · 2026 · L100000406057; fuel: WRI GPPD

In context: how this plant compares

At 840 MW, Marsat is well above the median gas plant in Algeria (465 MW). 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 Algeria gas capacity
2.9% of 28,673 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 Algeria

Oumache power station: 2,750 MW3kOumache po…Ras Djinet: 1,872 MW2kRas DjinetMostaganem power station: 1,450 MW1kMostaganem…Bellara power station: 1,400 MW1kBellara po…Hadjret Ennous: 1,227 MW1kHadjret En…Koudiet Eddraouch: 1,200 MW1kKoudiet Ed…Terga: 1,200 MW1kTergaDjelfa power station: 1,200 MW1kDjelfa pow…

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

Local climate & thermal context

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a hot semi-arid steppe climate (Köppen BSh) — Northern Hemisphere, latitude 35.8°N — which shapes how much energy it can produce and how its output varies through the year.

18.3°Cannual mean temp
777heating degree-days (base 18°C)
886cooling degree-days (base 18°C)
24 melevation

Monthly mean temperature

J: 11 °CJF: 12 °CFM: 14 °CMA: 16 °CAM: 19 °CMJ: 23 °CJJ: 25 °CJA: 26 °CAS: 24 °CSO: 20 °CON: 16 °CND: 13 °CD26 °C

Heating degree-days here run 68% 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: 24/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~2% 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.

Site climate & environmental severity

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)
61/100environmental-severity index
14.8°Cseasonal temperature swing
6 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 #13 largest gas power plant of 48 in Algeria by capacity.

Algeria has 48 gas power plants in this dataset, together about 28,673 MW of capacity.

Nearby power plants

Location

Coordinates 35.8, -0.1924 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Marsat?

Marsat is a 840 MW gas power plant in Oran, Algeria.

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