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Saguling

Hydro power plant in West Java, Indonesia. Approximate location -6.9126, 107.3663.

HydroWest JavaIndonesia

Saguling is a 701 MW hydro power station in West Java, Indonesia. It is operated by PLN - PT. Indonesia Power. Based on its capacity (estimated), it can supply roughly 701,500 homes (estimated). It ranks #18 of 178 Indonesia power plants by installed capacity. 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).

701MW installed capacity
701,500homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1001005.

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: 186 MW186JatiluhurPB. 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 - PT. Indonesia Power. 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 6.9°S — which shapes how much energy it can produce and how its output varies through the year.

21.8°Cannual mean temp
0heating degree-days (base 18°C)
1,375cooling degree-days (base 18°C)
689 melevation

Monthly mean temperature

J: 21 °CJF: 21 °CFM: 22 °CMA: 22 °CAM: 22 °CMJ: 22 °CJJ: 21 °CJA: 22 °CAS: 22 °CSO: 22 °CON: 22 °CND: 22 °CD22 °C

Heating degree-days here run 100% 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: 13/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

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.

How it compares & nearby plants

The #2 largest hydro power plant of 41 in Indonesia by capacity.

Indonesia has 41 hydro power plants in this dataset, together about 4,560 MW of capacity.

Nearby power plants

Location

Coordinates -6.9126, 107.3663 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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