The Senegal-based startup sells solar-energy products to off-grid households in West Africa, where 150 million people lack access to the grid.
Oolu, part of the Y Combinator accelerator, partners with money-transfer company WARI to enable subscribers to pay monthly fees with mobile payments.
Oolu’s Series A funding round was led by Persistent Energy Capital with participation from Y Combinator.
It plans to use the funds to expand in Senegal and Mali and launch in a third market next year.