Nigeria's electricity revenue has nearly quadrupled since 2015, growing from ₦279 billion to ₦1.07 trillion in 2023

Nigeria’s electricity distribution companies (DISCOs) generated ₦1.07 trillion revenue in 2023 — double 2020's amount and 3.8x that of 2015. From 2015 to 2023, revenue has grown from ₦279b to ₦1.07t, while customer base has increased by over 5m, from 7m to 12.1m.

Source:

National Bureau of Statistics

Period:

2015 - 2023
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Electricity generation in Africa: fossil still leads 2.5-to-1, but the gap is closing
  • Fossil fuels still generate 2.5x more electricity than non-fossil sources, though the gap has narrowed from a 2007 peak of 4.5x.
  • South Africa and Egypt together account for all of Africa's nuclear power and 59% of its non-hydro renewables.
  • Hydropower, the largest non-fossil source at 188.6 TWh, tells a different geographic story, with 91% generated outside South Africa and Egypt, mainly in Eastern, Middle, and Western Africa.
  • Gas still leads at 403.9 TWh, but its growth slowed to 0.8% in 2025 versus 11.9% growth for non-fossil sources.
Non-fossil generation overtook coal in 2023, and the gap has widened every year since
  • Non-fossil generation overtook coal in 2023, with the gap reaching 57.5 TWh in 2025.
  • Coal generation fell to 225.3 TWh, below its 262.6 TWh peak in 2007.
  • Hydropower dominates non-fossil generation, producing 188.6 TWh in 2025.
  • Fossil fuels still dominate, generating 703.2 TWh versus 282.8 TWh from non-fossil sources.
Egypt overtook South Africa's electricity generation in 2024 and extended its lead in 2025
  • Africa’s share of global electricity generation rose only from 2.6% in 1985 to 3.1% in 2025.
  • Africa’s electricity generation increased 283% over the past 40 years.
  • Egypt overtook South Africa as Africa’s largest electricity producer in 2024.
  • Egypt generated 242.4 TWh in 2025, up from 30.3 TWh in 1985.
  • South Africa generated 231.1 TWh in 2025, down from its 263.5 TWh peak in 2007.
  • Egypt and South Africa accounted for 24.5% of Africa’s electricity generation in 2025.
East African countries accounted for seven of the continent's 15 biggest electricity access gains in 23 years
  • Eswatini recorded Africa’s largest electricity access gain, rising by 66 percentage points from 2000 to 2023.
  • Kenya and Rwanda followed with gains of 61 pp and 58 pp, respectively.
  • East African countries accounted for 7 of Africa’s top 15 electricity access improvements.
  • Comoros, Ghana and Cape Verde reached very high access levels by 2023, at 90%, 90% and 99% respectively.
  • Nigeria’s electricity access improved by 18 percentage points, from 43% in 2000 to 61% in 2023.
  • Despite that improvement, Nigeria remained outside Africa’s top 15 gainers over the period.
  • Some countries were absent from the ranking because they had already reached high access levels by 2000.
Ibadan and Enugu DisCos together accounted for nearly two million unmetered customers
  • Nigeria still had about 5.25 million unmetered electricity customers across DisCos.
  • The 11 DisCos reported in Q4 2025 had 5.20 million unmetered customers.
  • Nigeria’s reported metering rate stood at 57.3% as of Q4 2025.
  • Ibadan and Enugu had the largest gaps, with nearly two million unmetered customers combined.
  • Ibadan alone had 1.18 million unmetered customers, the highest of any DisCo.
  • Ikeja and Eko had the strongest metering performance, both at about 86%.
  • At the 2025 pace of meter additions, closing the current gap could take close to seven years.
The national grid collapses an average of 7 times annually under Tinubu, down from 13 times under Buhari
  • The highest number of grid collapses in the past 16 years occurred in 2010, with 42 incidents recorded.
  • During Goodluck Jonathan’s administration, Nigeria’s grid collapsed an average of 24.4 times a year, the highest among the three administrations.
  • Under Muhammadu Buhari, the annual average dropped to 12.8 collapses per year, indicating improved grid stability compared to earlier years.
  • Under Bola Ahmed Tinubu, the average has fallen further to about 6.7 collapses annually.
  • 2016 recorded the highest number of collapses during the Buhari administration, with 28 incidents.
  • The most stable years in the dataset were 2020 and 2021, with only four collapses each.
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