Nigerians, and by extension, their businesses, expend about N7 trillion annually on power generation, a Renewable Energy expert, Mr Stephen Ogboko, has said. Ogboko, also the Executive Director and Chief Operating Officer, Off Grid Tech Solutions Ltd., made this known at a virtual news conference in Lagos. He spoke on the theme: “Analysing the Benefits of Technological Innovation.” According to him, this is inefficient, expensive, noisy, polluting and of poor quality. x He said that inadequate power supply had been a major challenge facing businesses in the country, forcing them to source for alternative power supply for their operations. The executive director said: “Nigeria is among the countries with a very high need of electricity.