There was dramatic confirmation that Nigeria’s power sector is bracing to undergo another period of political flux when, on 4 February, it was announced that respected regulator Ransome Owan and other officials had been held on corruption charges. The EFCC’s swoop came as new Power Minister Rilwan Babalola is seeking to stamp his mark on the troubled sector and add those missing gigawatts to the national grid as quickly as possible – even if it means challenging other key players, write Jon Marks and Leo Lawal.