Union Fenosa SA and Enel SpA may be willing to sell their stakes in renewable-energy joint venture Enel Union Fenosa Renovables SA (Eufer), Citigroup Inc. said.

HASSE FARSTAD

“Neither Enel nor Union Fenosa seem to be very focused in renewables and we believe they both could potentially be sellers of their stake in Eufer to reduce debt,” the investment bank said in...