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Nigeria · asset class

Power Plants in Nigeria

Nigeria has 84 power plants mapped on the OverWatts open energy atlas — the 44th-largest fleet of the 155 countries that hold any, and 0.3% of the world's mapped total. Of these, 31 operating and 51 under construction or proposed. Operating generation capacity totals 13.9 GW across 31 utility-scale plants of 100 MW and above. The largest is Mambilla hydroelectric plant (3.0 GW).

The largest owner-operators are Transcorp Power PLC (5), Mainstream Energy Solutions Ltd (4) and Aluminium Smelter Company of Nigeria Ltd (3) — Transcorp Power PLC alone is named on 6% of them. Half of Nigeria's power plants in service predate 2012 (median commissioning year of the 30 with a known date), 7 came online in the past decade and the oldest still listed is Kainji hydroelectric plant, dating from 1968. 51 are in the pipeline, led by Mambilla hydroelectric plant (3.0 GW), under construction. They account for 25% of every energy asset OverWatts maps in Nigeria.

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84
Power Plant in Nigeria
#44
of 155 countries
13.9 GW
Operating capacity
51
In construction / proposed

Operating generation capacity by fuel

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Largest power plants in Nigeria

Who owns Nigeria's power plants

Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.

When they were built

Median commissioning year 2012 · oldest Kainji hydroelectric plant (1968) · newest Lekki Refinery power station (2024) · 30 of 84 carry a start date

Under construction & proposed

How Nigeria compares · power plants by country

Frequently asked

How many power plants are there in Nigeria?
OverWatts maps 84 power plants in Nigeria — 0.3% of the world's mapped total, the 44th-largest national fleet of the 155 countries with any.
What is the largest power plant in Nigeria?
Mambilla hydroelectric plant, at 3.0 GW.
How much power-generation capacity do Nigeria's power plants have?
About 13.9 GW operating across 31 plants, with a further 27.5 GW under construction or proposed. That covers utility-scale sites of 100 MW and above, so it sits below national installed capacity wherever distributed generation is large.
Who owns the power plants in Nigeria?
Transcorp Power PLC is named as owner or operator on the most — 5 of 84 (6%). Next are Mainstream Energy Solutions Ltd (4), Aluminium Smelter Company of Nigeria Ltd (3) and NNPC Ltd (3).
How old are Nigeria's power plants?
The median commissioning year is 2012, across the 30 in service with a known start date. The oldest still listed is Kainji hydroelectric plant (1968); 7 came online in the past ten years.
What new power plants are being built in Nigeria?
51 projects are under construction or proposed. The largest are Mambilla hydroelectric plant (3.0 GW), Makurdi hydroelectric plant (1.6 GW) and Lekki Project power station (1.5 GW).

Other asset classes in Nigeria

Oil & Gas Field 144Pipeline 40LNG Terminal 26Cement Plant 14Coal / Uranium Mine 9Iron & Steel Plant 6Refinery 4Export Terminal 3Chemical Plant 3Iron Ore Mine 3Data Centre 1

Power Plants in other countries

China 11,537United States 3,831India 1,675Brazil 879Spain 653Australia 615Philippines 489Russia 461Canada 452Vietnam 392Japan 387Germany 335