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Riyadh PP11 power station

Gas power plant in Ar Riyad, Saudi Arabia. Approximate location 24.773394, 46.656281.

GasAr RiyadSaudi ArabiaCCGT · HRSG

Riyadh PP11 power station is a 1,805 MW gas power station in Ar Riyad, Saudi Arabia. It is operated by Dhuruma O&M Co Ltd [100%]. Based on its capacity (estimated), it can supply roughly 2.0 million homes (estimated). It ranks #28 of 156 Saudi Arabia power plants by installed capacity. Commissioned in 1979, it is around 47 years old — long-established. In context, gas supplies about 63.3% of Saudi Arabia's electricity; the national grid averages 692 gCO₂/kWh (2.2% low-carbon) (2024).

1,805MW installed capacity
2HRSG unit(s)
2,032,945homes powered (est.)
1979commissioned (~47 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GOGPT_riyadhpp11_saudia.

Data status

Known data

FacilityRiyadh PP11 power station GEM-GOGPT
CountrySaudi Arabia · Ar Riyad GEM-GOGPT
Coordinates24.773394, 46.656281 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity1,805 MW GEM · 2026 · L100000407708; operating plant capacity
OwnerDhuruma O&M Co Ltd [100%] GEM-GOGPT
Commissioned1979 GEM-GOGPT
TechnologyCCGT · HRSG GEM-GOGPT

Calculated from dataset

CO₂ emissions2,846,124 t CO₂·a⁻¹ calculated
Capacity rank in country#28 / 156 calculated
Fuel-specific rank in country#19 / 71 calculated
Capacity vs country/fuel peers3.63× · 496.7 MW · n=71 calculated
Homes-powered equivalent2,032,945 calculated
Environmental severityC1 · 47/100 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 · 2026 · L100000407708; fuel: GEM GOGPT

In context: how this plant compares

At 1,805 MW, Riyadh PP11 power station is well above the median gas plant in Saudi Arabia (496.7 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). 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.

Capacity vs largest gas plants in Saudi Arabia

Qurayyah Thermal power plant: 6,275 MW6kQurayyah T…GHAZLAN: 4,256 MW4kGHAZLANHajr for Electricity Production Co. Station: 4,098 MW4kHajr for E…QURAYYAH- CC: 4,098 MW4kQURAYYAH- …Jizan IGCC power plant: 3,850 MW4kJizan IGCC…Nairyah IPP Power Plant: 3,600 MW4kNairyah IP…Riyadh 16 power plant: 3,600 MW4kRiyadh 16 …Rumah IPP Power Plant: 3,600 MW4kRumah IPP …

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

Owner

Operated by Dhuruma O&M Co 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 hot desert climate (Köppen BWh) — Northern Hemisphere, latitude 24.8°N — which shapes how much energy it can produce and how its output varies through the year.

~24°Ctypical annual mean
~34°Ctypical warm-season mean
Hot desert: hot summers and mild winters

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 a benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
47/100environmental-severity index
21.3°Cseasonal temperature swing
367 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 #19 largest gas power plant of 71 in Saudi Arabia by capacity.

Saudi Arabia has 71 gas power plants in this dataset, together about 89,013 MW of capacity.

Nearby power plants

Location

Coordinates 24.773394, 46.656281 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Riyadh PP11 power station?

Riyadh PP11 power station is a 1,805 MW gas power plant in Ar Riyad, Saudi Arabia, commissioned in 1979.

How many homes can Riyadh PP11 power station power?

Its output is enough to supply roughly 2,032,945 homes (estimated).

Who operates Riyadh PP11 power station?

Riyadh PP11 power station is operated by Dhuruma O&M Co Ltd [100%].

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