Advertisement The World Bank’s Power Sector Recovery Program (PSRP) fact sheet disclosed that But in a statement on Sunday, Ahmad Zakari, special adviser to the president on infrastructure, said it was unclear what empirical evidence the Bretton Woods institution used to arrive at the figures. “It is inaccurate to make a blanket statement that 78 percent of Nigerians have less than 12 hours daily access. The data from NERC is that 55 percent of citizens connected to the grid are in tariff bands D and E which are less than 12 hours supply,” Zakari said. Advertisement “Those citizens are being fully subsidised to pre-September 2020 tariffs until Discos are able to improve supply.