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Huadian Chongqing Tongnan power station

Gas power plant in Chongqing, China. Approximate location 30.114313, 105.880192.

GasChongqingChinaCCGT · HRSGMitsubishi Heavy Industries: M701F5, Dongfang Electric CorpoConstruction

Huadian Chongqing Tongnan power station is a 2,093.4 MW gas power station in Chongqing, China. It is operated by Huadian (Chongqing) Gas Power Generation Co Ltd. Based on its capacity (estimated), it can supply roughly 2.4 million homes (estimated). It ranks #273 of 6,685 China power plants by installed capacity. In context, gas supplies about 3.2% of China's electricity; the national grid averages 525 gCO₂/kWh (41.7% low-carbon) (2025).

2,093.4MW installed capacity
4HRSG unit(s)
2,357,766homes powered (est.)
2026Construction

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

Data status

Known data

FacilityHuadian Chongqing Tongnan power station GEM-GOGPT
CountryChina · Chongqing GEM-GOGPT
Coordinates30.114313, 105.880192 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity2,093.4 MW GEM GOGPT; source record
OwnerHuadian (Chongqing) Gas Power Generation Co Ltd GEM-GOGPT
Commissioned2026 GEM-GOGPT
TechnologyCCGT · Mitsubishi Heavy Industries: M701F5, Dongfang Electric Corporation: M701F5 · HRSG GEM-GOGPT

Calculated from dataset

CO₂ emissions3,300,873 t CO₂·a⁻¹ calculated
Capacity rank in country#273 / 6685 calculated
Fuel-specific rank in country#19 / 595 calculated
Capacity vs country/fuel peers7.38× · 283.5 MW · n=595 calculated
Homes-powered equivalent2,357,766 calculated
Environmental severityC2 · 35/100 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 GOGPT; fuel: GEM GOGPT

In context: how this plant compares

At 2,093.4 MW, Huadian Chongqing Tongnan power station is well above the median gas plant in China (283.5 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG); Mitsubishi Heavy Industries: M701F5, Dongfang Electric Corpo. Its current lifecycle status is “Construction” — so it is not yet, or no longer, generating at full output. 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 China

Datang Wushi power station: 3,900 MW4kDatang Wus…Jingneng Beihai power station: 3,200 MW3kJingneng B…Jiangsu Rudong Combined Cycle Gas Turbine power station: 3,120 MW3kJiangsu Ru…Wenzhou Dongtou power station: 3,120 MW3kWenzhou Do…Guanghai Bay power station: 2,900 MW3kGuanghai B…Chongqing Changshou power station: 2,800 MW3kChongqing …Chongqing Tongliang power station: 2,800 MW3kChongqing …Sichuan Deyang Zhongjiang power station: 2,800 MW3kSichuan De…

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

Owner

Operated by Huadian (Chongqing) Gas Power Generation Co Ltd.

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 humid subtropical (dry winter) climate (Köppen Cwa) — Northern Hemisphere, latitude 30.1°N — which shapes how much energy it can produce and how its output varies through the year.

~19°Ctypical annual mean
~27°Ctypical warm-season mean
Humid subtropical (dry winter): 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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
35/100environmental-severity index
20.3°Cseasonal temperature swing
1141 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 595 in China by capacity.

China has 595 gas power plants in this dataset, together about 333,508 MW of capacity.

Nearby power plants

Location

Coordinates 30.114313, 105.880192 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Huadian Chongqing Tongnan power station?

Huadian Chongqing Tongnan power station is a 2,093.4 MW gas power plant in Chongqing, China, Construction 2026.

How many homes can Huadian Chongqing Tongnan power station power?

Its output is enough to supply roughly 2,357,766 homes (estimated).

Who operates Huadian Chongqing Tongnan power station?

Huadian Chongqing Tongnan power station is operated by Huadian (Chongqing) Gas Power Generation Co Ltd.

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