Nirmalapura is a 10.5 MW wind power plant in North Western, Sri Lanka. It is operated by Nirmalapura Wind Power. Based on its capacity (estimated), it can supply roughly 8.9k homes (estimated). It ranks #42 of 55 Sri Lanka power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, wind supplies about 5.4% of Sri Lanka's electricity; the national grid averages 329 gCO₂/kWh (61.6% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id WRI1030400.
Data status
Known data
Calculated from dataset
Not available
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Source of the capacity and fuel values:
capacity: GEM · 2026 · L100000901051; fuel: WRI GPPD
In context: how this plant compares
At 10.5 MW, Nirmalapura is around the median wind plant in Sri Lanka (10.5 MW). Wind turbines convert moving air into electricity; output is variable and site-dependent, and modern turbines deliver some of the lowest-cost new generation on many grids.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Key facts
- Share of Sri Lanka wind capacity
- 8.2% of 129 MW across 14 plants in this dataset
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Capacity vs largest wind plants in Sri Lanka
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by Nirmalapura Wind Power.
Local climate & thermal context
This wind plant converts the kinetic energy of wind into electricity through turbine rotors. It sits in a tropical monsoon climate (Köppen Am) — Northern Hemisphere, latitude 8.0°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
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
This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.
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 #6 largest wind power plant of 14 in Sri Lanka by capacity.
Sri Lanka has 14 wind power plants in this dataset, together about 129 MW of capacity.
Nearby power plants
- Mampuri-II · Wind · 10.5 MW · North Western
- Uppudaluwa · Wind · 10.5 MW · North Western
- Mampuri-III · Wind · 10.5 MW · North Western
- Mampuri-I · Wind · 10 MW · North Western
- Madurankuliya · Wind · 12 MW · North Western
- Lakvijaya · Coal · 900 MW · North Western
Location
Coordinates 7.9544, 79.7411 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Nirmalapura?
Nirmalapura is a 10.5 MW wind power plant in North Western, Sri Lanka.
Who operates Nirmalapura?
Nirmalapura is operated by Nirmalapura Wind Power.