SESSA member, Selected Energy, has installed solar energy systems at two South African schools: in Bloemfontein, some 26 solar water heaters expected to pay for themselves within three years were installed at the Martie du Plessis School for Grade R to Grade 12 special needs students while a 300-litre Solahart solar water heater was donated to the Save the Children (SCF) centre in Tjakastad, Mpumalanga.