The off-grid solar power supplier has now raised almost $48m altogether, with SolarCity investing in the company for a third time.

Tanzania-based solar power provider Off Grid Electric secured $25m in series C funding on Thursday from investors including solar system installer SolarCity.

The round was led by venture capital firm DBL Partners and included Omidyar Network, Serious Change, Western Technology Investment, Tope Lawani and Vulcan Capital, which invests on behalf of Microsoft co-founder Paul Allen.

Off Grid Electric operates a solar leasing platform that allows users not connected to larger power grids to pay as little as $1 per day…