Why does Nigeria have so many power cuts?

Africa Daily - A podcast by BBC World Service

Nigerians are well used to power-cuts – they’ve lived through hundreds, many nationwide – over the last decade. Businesses and individuals who need a reliable power source turn to private generators… and the costs for running them have gone up. The World Bank says that unreliable power costs the Nigerian economy an estimated $28 billion.So when last month the national grid collapsed twice in just two days – it led to widespread anger – and a rare apology from the President. So what’s behind this long running weakness in Nigeria’s energy supply? #AfricaDaily Presenter: Mpho Lakaje (@mpholakaje) Guest: Dr Vincent Emodi