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Dongguan Hongmei Natural Gas power station

Gas power plant in Guangdong, China. Approximate location 22.9298, 113.59.

GasGuangdongChinaOCGTAnnounced

Dongguan Hongmei Natural Gas power station is a 920 MW gas power station in Guangdong, China. It is operated by Dongguan Yuewen Smart Energy Co Ltd. Based on its capacity (estimated), it can supply roughly 1.0 million homes (estimated). It ranks #1032 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).

920Source-backed capacity
1,036,182homes powered (est.)
2023Announced year

Plant data: WRI Global Power Plant Database (CC BY 4.0), id CT-3142.

Data status

Known data

FacilityDongguan Hongmei Natural Gas power station Climate TRACE
CountryChina · Guangdong Climate TRACE
Coordinates22.9298, 113.59 Climate TRACE
FuelGas Climate TRACE
MW installed capacity920 MW Climate TRACE source record; scope not independently normalised
OwnerDongguan Yuewen Smart Energy Co Ltd Climate TRACE
Commissioned2023 Climate TRACE
TechnologyOCGT Climate TRACE

Calculated from dataset

CO₂ emissions1,450,656 t CO₂/yr calculated
Capacity rank in country#1032 of 6685 calculated
Fuel-specific rank in country#136 of 595 calculated
Capacity vs country/fuel peers3.25× · 284 MW median · 595 peers calculated
Homes-powered equivalent1,036,182 calculated
Climate22.2°C · HDD 283 derived from coordinates
Environmental severityC3 · 41/100 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 tracker 2026 (location L100000407497); fuel: Climate TRACE source-record fuel

In context: how this plant compares

At 920 MW, Dongguan Hongmei Natural Gas power station is well above the median gas plant in China (284 MW). Technically it is described as OCGT. Its current lifecycle status is “announced” — 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 Dongguan Yuewen Smart Energy Co Ltd.

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 humid subtropical (dry winter) climate (Köppen Cwa) — Northern Hemisphere, latitude 22.9°N — which shapes how much energy it can produce and how its output varies through the year.

22.2°Cannual mean temp
283heating degree-days (base 18°C)
1,845cooling degree-days (base 18°C)
58 melevation

Monthly mean temperature

J: 14 °CJF: 15 °CFM: 18 °CMA: 22 °CAM: 26 °CMJ: 28 °CJJ: 29 °CJA: 28 °CAS: 27 °CSO: 24 °CON: 20 °CND: 16 °CD29 °C

Heating degree-days here run 88% 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: 18/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

A gas turbine here also runs ~5% 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

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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
41/100environmental-severity index
14.7°Cseasonal temperature swing
98 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 #136 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 22.9298, 113.59 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Dongguan Hongmei Natural Gas power station?

Dongguan Hongmei Natural Gas power station is a 920 MW source-record gas power plant in Guangdong, China, planned/announced for 2023.

How many homes can Dongguan Hongmei Natural Gas power station power?

Its output is enough to supply roughly 1,036,182 homes (estimated).

Who operates Dongguan Hongmei Natural Gas power station?

Dongguan Hongmei Natural Gas power station is operated by Dongguan Yuewen Smart Energy Co Ltd.

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