Shinwari, Waqasullah Khan - In: The Pakistan development review : PDR 43 (2004) 3, pp. 267-294
Solar photovoltaic systems are prohibitively expensive in terms of installation costs. Power from them is only available intermittently - only when energy from the sun is available. On the other hand, PV systems are free of the ever-rising costs of input fuel. They also incur much less operation...