Since 2015, electricity revenue in Nigeria has been on the rise, with 8.7% in 2015 the lowest increase and 45% in 2021, the highest.
Of the ₦7.98 trillion generated in the last 8 years, 53% (₦4.2 trillion) was generated in the last 3 years (2020, 2021, and 2022) combined.Per several news sources, there was an increase in electricity tariff in 6 of Nigeria's 11 Distribution Companies in January 2022, resulting in an 8.8% increase in revenue despite a 6.6% decrease in electricity billed in the year.
In the last 5 years, the Nigerian Railway Corporation made ₦18.9b in revenue, 61% of which was generated in 2021 and 2022 combined. The highest revenue increase (197%) was recorded in 2021 before an 8% drop in 2022. Here are Nigerian Railway Corporation's revenues since 2018.