CONRAD ONYANGO, BIRD, STORY AGENCY SEVERAL African countries are ramping up the construction of new hydroelectric projects and expanding the capacity of old plants to tap into the world's largest source of renewable energy, hydropower. According to a new report by the International Renewable Energy Agency (IRENA), planned and ongoing hydropower projects across Africa in the 2022-2037 period will realise 60.8 gigawatts (GW) once complete, nearly double the current 34.3 GW installed capacity. The report dubbed, The changing role of hydropower: Challenges and opportunities, shows that Ethiopia will account for 25 per cent of the total pipeline capacity, reflecting the…