This report outlines the various common problems experienced in rural water supply project implemented by experts from the water and sanitation sector and projects implemented by experts from the field of photovoltaic energy. It is desirable to promote closer collaboration and enhanced information exchange between the water sector and the renewable energy sector to benefit from the solutions already developed for the identified problems. Recommendations have been developed to improve the sustainability of rural water supply system projects and to support the institutional and planning frameworks involved in rural water supply programs.