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Diaoluohe Hydro

Hydro power plant in Hainan, China. Approximate location 18.43, 109.43.

HydroHainanChina

Diaoluohe Hydro is a 7 MW hydro power plant in Hainan, China. Based on its capacity (estimated), it can supply roughly 7.0k homes (estimated). It ranks #6443 of 6,685 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).

7Legacy source-record capacity
7,008homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1070984.

Data status

Known data

FacilityDiaoluohe Hydro WRI
CountryChina · Hainan WRI
Coordinates18.43, 109.43 WRI
FuelHydro WRI
MW installed capacity7 MW WRI source record; scope not independently normalised

Calculated from dataset

Capacity rank in country#6443 of 6685 calculated
Fuel-specific rank in country#834 of 947 calculated
Capacity vs country/fuel peers0.29× · 24 MW median · 947 peers calculated
Homes-powered equivalent7,008 calculated
Climate24.2°C · HDD 0 derived from coordinates
Environmental severityC5 · 49/100 derived from coordinates

Not available

OwnerNot available not in dataset
CommissionedNot available not in dataset
TechnologyNot available not in dataset
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 7 MW, Diaoluohe Hydro is below the median hydro plant in China (24 MW). 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 China

Three Gorges Dam: 22,500 MW22kThree Gorg…Xiluodu: 13,860 MW14kXiluoduBaihetan Dam: 13,050 MW13kBaihetan D…Xiangjiaba: 7,750 MW8kXiangjiabaNuozhadu: 5,850 MW6kNuozhaduLongtan: 4,900 MW5kLongtanJinping II: 4,800 MW5kJinping IIAhai: 4,750 MW5kAhai

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 tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 18.4°N — which shapes how much energy it can produce and how its output varies through the year.

24.2°Cannual mean temp
0heating degree-days (base 18°C)
2,271cooling degree-days (base 18°C)
258 melevation

Monthly mean temperature

J: 20 °CJF: 20 °CFM: 23 °CMA: 25 °CAM: 27 °CMJ: 28 °CJJ: 27 °CJA: 27 °CAS: 26 °CSO: 25 °CON: 22 °CND: 20 °CD28 °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)
49/100environmental-severity index
7.9°Cseasonal temperature swing
27 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 #834 largest hydro power plant of 947 in China by capacity.

China has 947 hydro power plants in this dataset, together about 262,337 MW of capacity.

Nearby power plants

Location

Coordinates 18.43, 109.43 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Diaoluohe Hydro?

Diaoluohe Hydro is a 7 MW source-record hydro power plant in Hainan, China.

How many homes can Diaoluohe Hydro power?

Its output is enough to supply roughly 7,008 homes (estimated).

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