… road to SELCO’s success, however, has not always been smooth. Hande cofounded SELCO (with Neville Williams) in 1995 to sell and service photovoltaic (PV) systems in his home state of … road to SELCO’s success, however, has not always been smooth. Hande cofounded SELCO (with Neville Williams) in 1995 to sell and service photovoltaic (PV) systems in his home state of … road to SELCO’s success, however, has not always been smooth. Hande cofounded SELCO (with Neville Williams) in 1995 to sell and service photovoltaic (PV) systems in his home state of …