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Nuozhadu

Hydro power plant in Yunnan, China. Approximate location 22.6409, 100.4287.

HydroYunnanChina

Nuozhadu is a 5,850 MW hydro power station in Yunnan, China. It is operated by China Huaneng Group. Based on its capacity (estimated), it can supply roughly 5,856,685 homes (estimated). It ranks #10 of 5,959 China power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 13.2% of China's electricity; the national grid averages 525 gCO₂/kWh (41.7% low-carbon) (2025).

5,850MW installed capacity
5,856,685homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1000456.

Capacity vs largest hydro plants in China

Three Gorges Dam: 22,500 MW22kThree Gorg…Baihetan Dam: 13,050 MW13kBaihetan D…Xiluodu: 12,600 MW13kXiluoduXiangjiaba: 6,448 MW6kXiangjiabaLongtan: 6,300 MW6kLongtanNuozhadu: 5,850 MW6kNuozhaduAhai: 4,750 MW5kAhaiJinping II: 4,400 MW4kJinping II

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

Owner

Operated by China Huaneng Group.

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a humid subtropical (dry winter) climate (Köppen Cwa) — Northern Hemisphere, latitude 22.6°N — which shapes how much energy it can produce and how its output varies through the year.

20.3°Cannual mean temp
271heating degree-days (base 18°C)
1,122cooling degree-days (base 18°C)
1,072 melevation

Monthly mean temperature

J: 14 °CJF: 16 °CFM: 19 °CMA: 22 °CAM: 24 °CMJ: 24 °CJJ: 24 °CJA: 24 °CAS: 23 °CSO: 21 °CON: 18 °CND: 15 °CD24 °C

Heating degree-days here run 89% 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: 17/100 — 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 #6 largest hydro power plant of 947 in China by capacity.

China has 947 hydro power plants in this dataset, together about 259,026 MW of capacity.

Nearby power plants

Location

Coordinates 22.6409, 100.4287 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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