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Rayong Gulf PD power station

Gas power plant in Rayong, Thailand. Approximate location 12.950169, 101.156081.

GasRayongThailandCCGT · HRSGMitsubishi Heavy Industries: M701JAC

Rayong Gulf PD power station is a 2,500 MW gas power station in Rayong, Thailand. It is operated by Gulf PD Co Ltd [100%]. Based on its capacity (estimated), it can supply roughly 2.8 million homes (estimated). It ranks #5 of 238 Thailand power plants by installed capacity. Commissioned in 2023, it is around 3 years old — recently built. In context, gas supplies about 65.5% of Thailand's electricity; the national grid averages 546 gCO₂/kWh (16.6% low-carbon) (2025).

2,500MW installed capacity
4HRSG unit(s)
2,815,714homes powered (est.)
2023commissioned (~3 yrs)

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

Data status

Known data

FacilityRayong Gulf PD power station GEM-GOGPT
CountryThailand · Rayong GEM-GOGPT
Coordinates12.950169, 101.156081 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity2,500 MW GEM · 2026 · L100000405416; operating plant capacity
OwnerGulf PD Co Ltd [100%] GEM-GOGPT
Commissioned2023 GEM-GOGPT
TechnologyCCGT · Mitsubishi Heavy Industries: M701JAC · HRSG GEM-GOGPT

Calculated from dataset

CO₂ emissions3,942,000 t CO₂·a⁻¹ calculated
Capacity rank in country#5 / 238 calculated
Fuel-specific rank in country#4 / 61 calculated
Capacity vs country/fuel peers9.77× · 256 MW · n=61 calculated
Homes-powered equivalent2,815,714 calculated
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 · 2026 · L100000405416; fuel: GEM GOGPT

In context: how this plant compares

At 2,500 MW, Rayong Gulf PD power station is well above the median gas plant in Thailand (256 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG); Mitsubishi Heavy Industries: M701JAC. 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 Thailand

Bang Pakong: 4,384 MW4kBang PakongRatchaburi (RATCHGEN): 3,645 MW4kRatchaburi…Chonburi Ng Project power station: 2,500 MW2kChonburi N…Rayong Gulf PD power station: 2,500 MW2kRayong Gul…Wang Noi: 2,027 MW2kWang NoiSongkhla Chana power station: 1,700 MW2kSongkhla C…South Bangkok: 1,691 MW2kSouth Bang…Nong Saeng: 1,600 MW2kNong Saeng

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

Owner

Operated by Gulf PD 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 tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 13.0°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: warm all year, with distinct wet and dry seasons

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)
49/100environmental-severity index
3.6°Cseasonal temperature swing
37 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 gas power plant of 61 in Thailand by capacity.

Thailand has 61 gas power plants in this dataset, together about 42,069 MW of capacity.

Nearby power plants

Location

Coordinates 12.950169, 101.156081 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Rayong Gulf PD power station?

Rayong Gulf PD power station is a 2,500 MW gas power plant in Rayong, Thailand, commissioned in 2023.

How many homes can Rayong Gulf PD power station power?

Its output is enough to supply roughly 2,815,714 homes (estimated).

Who operates Rayong Gulf PD power station?

Rayong Gulf PD power station is operated by Gulf PD Co Ltd [100%].

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