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Guanghai Bay power station

Gas power plant in Guangdong, China. Approximate location 21.991586, 112.9895.

GasGuangdongChinaCCGT · HRSGPre Construction

Guanghai Bay power station is a 2,900 MW gas power station in Guangdong, China. It is operated by Guangdong Electric Power Development Co Ltd. Based on its capacity (estimated), it can supply roughly 3.3 million homes (estimated). It ranks #161 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).

2,900MW installed capacity
4HRSG unit(s)
3,266,228homes powered (est.)

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

Data status

Known data

FacilityGuanghai Bay power station GEM-GOGPT
CountryChina · Guangdong GEM-GOGPT
Coordinates21.991586, 112.9895 GEM-GOGPT
FuelGas GEM-GOGPT
MW installed capacity2,900 MW GEM GOGPT; source record
OwnerGuangdong Electric Power Development Co Ltd GEM-GOGPT
TechnologyCCGT · HRSG GEM-GOGPT

Calculated from dataset

CO₂ emissions4,572,720 t CO₂·a⁻¹ calculated
Capacity rank in country#161 / 6685 calculated
Fuel-specific rank in country#5 / 595 calculated
Capacity vs country/fuel peers10.23× · 283.5 MW · n=595 calculated
Homes-powered equivalent3,266,228 calculated
Environmental severityC5 · 49/100 derived from coordinates

Not available

CommissionedNot 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

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 2,900 MW, Guanghai Bay 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). Its current lifecycle status is “Pre 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 Guangdong Electric Power Development 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 22.0°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): 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
13.8°Cseasonal temperature swing
30 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 #5 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 21.991586, 112.9895 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Guanghai Bay power station?

Guanghai Bay power station is a 2,900 MW gas power plant in Guangdong, China.

How many homes can Guanghai Bay power station power?

Its output is enough to supply roughly 3,266,228 homes (estimated).

Who operates Guanghai Bay power station?

Guanghai Bay power station is operated by Guangdong Electric Power Development Co Ltd.

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