Gran Canaria is one of the seven Canary Islands, located near Morocco Shore, this position offers a significant renewable energy potential to supply local and tourist population with clean energy. The island is rich in wind and solar resources; it has some wind farms with more of 4000 hours equivalent per year. It has an Energy Plan that provides for increased electricity generation from renewable energies. We think that a pumped storage is good for this insolated power system. We look for potential sites and try to analyze some beneficial effects with homer software.