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Ambohimanambola (Aksaf) power plant

Oil power plant in Ambohimanambola, Madagascar. Approximate location -18.94967, 47.615293.

OilAmbohimanambolaMadagascarEngine

Ambohimanambola (Aksaf) power plant is a 66 MW oil power plant in Ambohimanambola, Madagascar. It is operated by Aksaf Power Ltd. Based on its capacity (estimated), it can supply roughly 50k homes (estimated). It ranks #4 of 16 Madagascar power plants by installed capacity. Commissioned in 2017, it is around 9 years old — relatively modern. In context, oil supplies about 37.0% of Madagascar's electricity; the national grid averages 432 gCO₂/kWh (42.4% low-carbon) (2024).

66MW installed capacity
49,556homes powered (est.)
2017commissioned (~9 yrs)

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

Data status

Known data

FacilityAmbohimanambola (Aksaf) power plant GEM-GOGPT
CountryMadagascar · Ambohimanambola GEM-GOGPT
Coordinates-18.94967, 47.615293 GEM-GOGPT
FuelOil GEM-GOGPT
MW installed capacity66 MW GEM · 2026 · L100000409180; operating plant capacity
OwnerAksaf Power Ltd GEM-GOGPT
Commissioned2017 GEM-GOGPT
TechnologyEngine GEM-GOGPT

Calculated from dataset

CO₂ emissions130,086 t CO₂·a⁻¹ calculated
Capacity rank in country#4 / 16 calculated
Fuel-specific rank in country#2 / 5 calculated
Capacity vs country/fuel peers1.65× · 40 MW · n=5 calculated
Homes-powered equivalent49,556 calculated
Environmental severityC3 · 33/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: GEM · 2026 · L100000409180; fuel: GEM GOGPT

In context: how this plant compares

At 66 MW, Ambohimanambola (Aksaf) power plant is well above the median oil plant in Madagascar (40 MW). Technically it is described as Engine. Oil-fired plants burn heavy fuel oil or diesel, usually as peaking or backup capacity on islands and grids without gas pipelines; high fuel cost keeps their utilisation low.

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

Capacity vs largest oil plants in Madagascar

Ambohimanambola (Trigu) power plant: 105 MW105Ambohimana…Ambohimanambola (Aksaf) power plant: 66 MW66Ambohimana…Mandroseza: 40 MW40MandrosezaAmbohimanambola: 20 MW20Ambohimana…Majunga: 13 MW13Majunga

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

Owner

Operated by Aksaf Power Ltd.

Climate zone & how it works

This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a subtropical highland climate (Köppen Cwb) — Southern Hemisphere, latitude 18.9°S — which shapes how much energy it can produce and how its output varies through the year.

~15°Ctypical annual mean
~20°Ctypical warm-season mean
Subtropical highland: warm all year, with distinct wet and dry seasons

Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

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

C3ISO 9223 corrosivity (indicative)
33/100environmental-severity index
6.7°Cseasonal temperature swing
137 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 #2 largest oil power plant of 5 in Madagascar by capacity.

Madagascar has 5 oil power plants in this dataset, together about 244 MW of capacity.

Nearby power plants

Location

Coordinates -18.94967, 47.615293 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Ambohimanambola (Aksaf) power plant?

Ambohimanambola (Aksaf) power plant is a 66 MW oil power plant in Ambohimanambola, Madagascar, commissioned in 2017.

How many homes can Ambohimanambola (Aksaf) power plant power?

Its output is enough to supply roughly 49,556 homes (estimated).

Who operates Ambohimanambola (Aksaf) power plant?

Ambohimanambola (Aksaf) power plant is operated by Aksaf Power Ltd.

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