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Ambatolampy — Madagascar

Solar power plant in Vakinankaratra, Madagascar. Approximate location -19.489, 47.445.

SolarVakinankaratraMadagascarPV

Ambatolampy is a 40 MW solar power plant in Vakinankaratra, Madagascar. It is operated by Axian Group [51%]; GreenYellow [49%]. Based on its capacity (estimated), it can supply roughly 17k homes (estimated). It ranks #6 of 16 Madagascar power plants by installed capacity. Commissioned in 2018, it is around 8 years old — recently built. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, solar supplies about 4.1% of Madagascar's electricity; the national grid averages 432 gCO₂/kWh (42.4% low-carbon) (2024).

40MW installed capacity
17,019homes powered (est.)
2018commissioned (~8 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WKS0072179.

Data status

Known data

FacilityAmbatolampy WRI
CountryMadagascar · Vakinankaratra WRI
Coordinates-19.489, 47.445 WRI
FuelSolar WRI
MW installed capacity40 MW GEM · 2026 · L100000800020; operating plant capacity
Verification noteQuality label backfilled from existing source-backed capacity provenance on 2026-07-05; capacity value was not changed. source-verified
OwnerAxian Group [51%]; GreenYellow [49%] WRI
Commissioned2018 WRI
TechnologyPV WRI

Calculated from dataset

Capacity rank in country#6 / 16 calculated
Fuel-specific rank in country#1 / 1 calculated
Homes-powered equivalent17,019 calculated
Climate16.5°C · HDD 702 derived from coordinates
Environmental severityC3 · 32/100 derived from coordinates

Not available

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.

Capacity provenance

The public capacity above is the current source-record value. A 2026 tracker candidate lists 40 MW for Ambatolampy solar farm, but it is not used as the public primary value until scope is verified (unit vs operating vs installed/project total).

Data provenance

Source of the capacity and fuel values:

capacity: GEM · 2026 · L100000800020; fuel: WRI GPPD

In context: how this plant compares

Technically it is described as PV. Solar PV converts sunlight directly into electricity with no moving parts or fuel; output varies by time of day and weather, so it pairs with storage or flexible backup.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Owner

Operated by Axian Group [51%]; GreenYellow [49%].

Local climate & thermal context

This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a subtropical highland climate (Köppen Cwb) — Southern Hemisphere, latitude 19.5°S — which shapes how much energy it can produce and how its output varies through the year.

16.5°Cannual mean temp
702heating degree-days (base 18°C)
135cooling degree-days (base 18°C)
1,590 melevation

Monthly mean temperature

J: 19 °CJF: 19 °CFM: 19 °CMA: 18 °CAM: 16 °CMJ: 14 °CJJ: 12 °CJA: 13 °CAS: 14 °CSO: 17 °CON: 18 °CND: 19 °CD19 °C

Heating degree-days here run 71% 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: 23/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Solar PV loses ~0.35%/°C above 25°C cell temperature — roughly 0.0% at warm-season highs here (estimate).

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 a moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
32/100environmental-severity index
6.9°Cseasonal temperature swing
139 kmdistance to coast

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

Madagascar has 1 solar power plant in this dataset, together about 40 MW of capacity.

Nearby power plants

Location

Coordinates -19.489, 47.445 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Ambatolampy?

Ambatolampy is a 40 MW solar power plant in Vakinankaratra, Madagascar, commissioned in 2018.

Who operates Ambatolampy?

Ambatolampy is operated by Axian Group [51%]; GreenYellow [49%].

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