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Chittagong Roazan

Gas power plant in Chittagong, Bangladesh. Approximate location 22.457, 91.9784.

GasChittagongBangladesh

Chittagong Roazan is a 553 MW gas power station in Chittagong, Bangladesh. Based on its capacity (estimated), it can supply roughly 623k homes (estimated). It ranks #51 of 129 Bangladesh power plants by installed capacity. In context, gas supplies about 64.3% of Bangladesh's electricity; the national grid averages 696 gCO₂/kWh (2.1% low-carbon) (2025).

553Legacy source-record capacity
622,836homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1029213.

Data status

Known data

FacilityChittagong Roazan WRI
CountryBangladesh · Chittagong WRI
Coordinates22.457, 91.9784 WRI
FuelGas WRI
MW installed capacity553 MW WRI source record; scope not independently normalised

Calculated from dataset

CO₂ emissions871,970 t CO₂/yr calculated
Capacity rank in country#51 of 129 calculated
Fuel-specific rank in country#25 of 50 calculated
Capacity vs country/fuel peers1.00× · 553 MW median · 50 peers calculated
Homes-powered equivalent622,836 calculated
Climate25.7°C · HDD 0 derived from coordinates
Environmental severityC4 · 42/100 derived from coordinates

Not available

OwnerNot available not in dataset
CommissionedNot available not in dataset
TechnologyNot 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: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 553 MW, Chittagong Roazan is around the median gas plant in Bangladesh (553 MW). 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 Bangladesh

Munshiganj power station: 3,960 MW4kMunshiganj…ACWA LNG power station: 3,600 MW4kACWA LNG p…Maheshkhali power station: 3,600 MW4kMaheshkhal…Patuakhali power station (Ashuganj): 3,600 MW4kPatuakhali…Payra LNG power station: 3,600 MW4kPayra LNG …Matarbari Summit power station: 2,400 MW2kMatarbari …Sonagazi Feni power station: 2,200 MW2kSonagazi F…Mirsarai LNG power station: 1,800 MW2kMirsarai L…

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

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 tropical monsoon climate (Köppen Am) — Northern Hemisphere, latitude 22.5°N — which shapes how much energy it can produce and how its output varies through the year.

25.7°Cannual mean temp
0heating degree-days (base 18°C)
2,803cooling degree-days (base 18°C)
32 melevation

Monthly mean temperature

J: 20 °CJF: 22 °CFM: 26 °CMA: 28 °CAM: 29 °CMJ: 28 °CJJ: 28 °CJA: 28 °CAS: 28 °CSO: 27 °CON: 24 °CND: 21 °CD29 °C

This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.

A gas turbine here also runs ~7% 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 corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
42/100environmental-severity index
8.9°Cseasonal temperature swing
78 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 #25 largest gas power plant of 50 in Bangladesh by capacity.

Bangladesh has 50 gas power plants in this dataset, together about 44,028 MW of capacity.

Nearby power plants

Location

Coordinates 22.457, 91.9784 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Chittagong Roazan?

Chittagong Roazan is a 553 MW source-record gas power plant in Chittagong, Bangladesh.

How many homes can Chittagong Roazan power?

Its output is enough to supply roughly 622,836 homes (estimated).

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