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Yuanshan

Hydro power plant in Taiwan, Taiwan. Approximate location 24.8858, 120.9964.

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Yuanshan is a 18 MW hydro power plant in Taiwan, Taiwan. Based on its capacity (estimated), it can supply roughly 18,020 homes (estimated). It ranks #28 of 39 Taiwan power plants by installed capacity. Commissioned in 1941, it is around 85 years old — an older, legacy facility. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 1.9% of Taiwan's electricity; the national grid averages 633 gCO₂/kWh (13.4% low-carbon) (2025).

18MW installed capacity
18,020homes powered (est.)
1941commissioned (~85 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1000414.

Capacity vs largest hydro plants in Taiwan

Ming-Tan: 1,602 MW2kMing-TanDaguan Erchang: 1,000 MW1kDaguan Erc…Ming-Hu: 1,000 MW1kMing-HuTachiachi: 180 MW180TachiachiYuanshan: 18 MW18YuanshanShuili: 13 MW13ShuiliShuilian: 10 MW10ShuilianChuying: 2 MW2Chuying

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

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 24.9°N — which shapes how much energy it can produce and how its output varies through the year.

20.9°Cannual mean temp
339heating degree-days (base 18°C)
1,421cooling degree-days (base 18°C)
187 melevation

Monthly mean temperature

J: 14 °CJF: 14 °CFM: 16 °CMA: 20 °CAM: 23 °CMJ: 26 °CJJ: 27 °CJA: 27 °CAS: 25 °CSO: 23 °CON: 19 °CND: 16 °CD27 °C

Heating degree-days here run 86% 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: 18/100 — 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 #5 largest hydro power plant of 9 in Taiwan by capacity.

Taiwan has 9 hydro power plants in this dataset, together about 3,826 MW of capacity.

Nearby power plants

Location

Coordinates 24.8858, 120.9964 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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