Heavy rainfall across Lagos and Osun states has caused widespread urban flooding and major power outages due to critical transmission line faults.EKEDC and IBEDC have confirmed fresh blackouts in several areas after flood and grid disruptions damaged electricity infrastructure.

EKEDC blamed grid disruptions from faults on the Oshogbo-Ikeja and Benin-Egbin 330kV transmission lines, while IBEDC cited flooding at the Ilerin Injection Substation as the cause.Both companies stated restoration work is ongoing but no timeline was provided.

The outage affected communities like Chevy View Estate, Chevron Drive, Agungi, Alpha Beach, Ikate, Elegushi, Carlton Gate, Kusenla, Victory Park Estate, Oniru, Maroko, Muri Okunola, Ajose Adeogun, Ligali Ayorinde, and parts of Aboyade Cole in Lagos, along with areas like Morinho Drive, Landmark Road, Igbo Efon, Lekki Tollgate 2, Igbokusu, Gbangbala, Platinum Way, Jakande/Coastal Road, OADC/Mayegun, Ajiran, Chevron Alternative Area, and Osapa London.

IBEDC noted flooding impacted Isare 11kV, Irogbo 11kV, and Mount Carmel 11kV feeders, cutting power to Ifewara, Iwara, Bolorunduro, Irogbo, Ayeso, Odo-Oro, Wesley, Express Area, Ilerin, Irojo, Olomilagbala, Iwikun, Isare, and neighboring areas.Meteorological agencies warned of prolonged localized flash floods due to saturated soils and blocked waterways.Both companies assured customers that engineers are working to restore supply.

The incident highlights ongoing challenges with Nigeria's electricity infrastructure during the 2026 rainy season, with residents advised to avoid flooded areas and report damaged electrical equipment.