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Houaphanh power station

Coal power plant in Houaphanh, Laos. Approximate location 20.3333, 103.833.

CoalHouaphanhLaosShelved

Houaphanh power station is a 650 MW coal power station in Houaphanh, Laos. It is operated by Investment and Hydro Power Consultant Sole Co Ltd [15%]; Chongwa Financial Asset. Based on its capacity (estimated), it can supply roughly 813k homes (estimated). It ranks #8 of 26 Laos power plants by installed capacity. In context, coal supplies about 23.3% of Laos's electricity; the national grid averages 232 gCO₂/kWh (76.7% low-carbon) (2024).

650MW installed capacity
813,428homes powered (est.)
2026Shelved

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

Data status

Known data

FacilityHouaphanh power station GEM-coal
CountryLaos · Houaphanh GEM-coal
Coordinates20.3333, 103.833 GEM-coal
FuelCoal GEM-coal
MW installed capacity650 MW GEM GCPT; source record
OwnerInvestment and Hydro Power Consultant Sole Co Ltd [15%]; Chongwa Financial Asset GEM-coal
Commissioned2026 GEM-coal

Calculated from dataset

CO₂ emissions2,847,000 t CO₂·a⁻¹ calculated
Capacity rank in country#8 / 26 calculated
Fuel-specific rank in country#6 / 7 calculated
Capacity vs country/fuel peers0.65× · 1,000 MW · n=7 calculated
Homes-powered equivalent813,428 calculated
Environmental severityC3 · 33/100 derived from coordinates

Not available

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: GEM GCPT; fuel: GEM GCPT

In context: how this plant compares

At 650 MW, Houaphanh power station is below the median coal plant in Laos (1,000 MW). Its current lifecycle status is “Shelved” — so it is not yet, or no longer, generating at full output. Coal plants burn pulverised coal to raise high-pressure steam for a turbine; they run as baseload but are the most carbon-intensive mainstream source and the first targeted for retirement or efficiency retrofits.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest coal plants in Laos

Boualapha power station: 2,000 MW2kBoualapha …Hongsa: 1,878 MW2kHongsaPhonesack Xekong power station: 1,800 MW2kPhonesack …Sekong power station (EPIC): 1,000 MW1kSekong pow…Nam Phan power station: 660 MW660Nam Phan p…Houaphanh power station: 650 MW650Houaphanh …TSBP Sekong power station: 600 MW600TSBP Sekon…

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

Owner

Operated by Investment and Hydro Power Consultant Sole Co Ltd [15%]; Chongwa Financial Asset.

Climate zone & how it works

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a humid subtropical (dry winter) climate (Köppen Cwa) — Northern Hemisphere, latitude 20.3°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 a moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
33/100environmental-severity index
10.2°Cseasonal temperature swing
234 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 #6 largest coal power plant of 7 in Laos by capacity.

Laos has 7 coal power plants in this dataset, together about 8,588 MW of capacity.

Nearby power plants

Location

Coordinates 20.3333, 103.833 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Houaphanh power station?

Houaphanh power station is a 650 MW coal power plant in Houaphanh, Laos, Shelved 2026.

How many homes can Houaphanh power station power?

Its output is enough to supply roughly 813,428 homes (estimated).

Who operates Houaphanh power station?

Houaphanh power station is operated by Investment and Hydro Power Consultant Sole Co Ltd [15%]; Chongwa Financial Asset.

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