Derb: I wouldn’t exactly say that Nigerians have “access to energy.” There’s oil in the ground, sure, but that’s being sold to foreign companies. Most of the time they can’t keep the lights on.

From another article:

Manufacturing companies are not operating at optimal value due to power failure. Often times, jobs are delivered to their owners at a huge cost since the cost of providing alternative power is taking its toll on most companies, said the accountant who claimed that his firm spends at least N 6,000 on diesel daily.