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Musi

Hydro power plant in Bengkulu, Indonesia. Approximate location -3.766, 102.435.

HydroBengkuluIndonesiarun-of-river

Musi is a 216 MW hydro power station in Bengkulu, Indonesia. It is operated by PLN-South Sumatera Generation Unit. Based on its capacity (estimated), it can supply roughly 216k homes (estimated). It ranks #161 of 401 Indonesia power plants by installed capacity. Commissioned in 2006, it is around 20 years old — relatively modern. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 7.3% of Indonesia's electricity; the national grid averages 680 gCO₂/kWh (18.1% low-carbon) (2024).

216Legacy source-record capacity
215,746homes powered (est.)
2006commissioned (~20 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1000792.

Data status

Known data

FacilityMusi WRI
CountryIndonesia · Bengkulu WRI
Coordinates-3.766, 102.435 WRI
FuelHydro WRI
MW installed capacity216 MW WRI source record; scope not independently normalised
OwnerPLN-South Sumatera Generation Unit WRI
Commissioned2006 WRI
Technologyrun-of-river WRI

Calculated from dataset

Capacity rank in country#161 of 401 calculated
Fuel-specific rank in country#5 of 41 calculated
Capacity vs country/fuel peers7.18× · 30 MW median · 41 peers calculated
Homes-powered equivalent215,746 calculated
Climate23.9°C · HDD 0 derived from coordinates
Environmental severityC5 · 46/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

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 216 MW, Musi is well above the median hydro plant in Indonesia (30 MW). Technically it is described as run-of-river. Hydropower converts the energy of falling or flowing water into electricity; output depends on rainfall and reservoir level, and large dams also provide grid balancing and storage.

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

Capacity vs largest hydro plants in Indonesia

CirataI & II: 1,008 MW1kCirataI & …Saguling: 701 MW701SagulingTangga (asahan II): 317 MW317Tangga (as…Sigura gura (asahan II): 286 MW286Sigura gur…Musi: 216 MW216MusiJatiluhur: 187 MW187JatiluhurPB. Sudirman/Mrica: 181 MW181PB. Sudirm…Asahan I: 180 MW180Asahan I

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

Owner

Operated by PLN-South Sumatera Generation Unit. All plants by this company →

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a tropical rainforest climate (Köppen Af) — Southern Hemisphere, latitude 3.8°S — which shapes how much energy it can produce and how its output varies through the year.

23.9°Cannual mean temp
0heating degree-days (base 18°C)
2,164cooling degree-days (base 18°C)
502 melevation

Monthly mean temperature

J: 24 °CJF: 24 °CFM: 24 °CMA: 24 °CAM: 24 °CMJ: 24 °CJJ: 24 °CJA: 24 °CAS: 24 °CSO: 24 °CON: 24 °CND: 24 °CD24 °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.

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 an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
46/100environmental-severity index
0.7°Cseasonal temperature swing
20 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 hydro power plant of 41 in Indonesia by capacity.

Indonesia has 41 hydro power plants in this dataset, together about 4,561 MW of capacity.

Nearby power plants

Location

Coordinates -3.766, 102.435 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Musi?

Musi is a 216 MW source-record hydro power plant in Bengkulu, Indonesia, commissioned in 2006.

How many homes can Musi power?

Its output is enough to supply roughly 215,746 homes (estimated).

Who operates Musi?

Musi is operated by PLN-South Sumatera Generation Unit.

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