Pakistan lies in an area of one of the highest solar insulation in the world and has immense solar resources, suitable for both Photovoltaic (PV) and Thermal i.e. Concentrated Solar Power (CSP) applications. There are certain regions of south, Quetta valley and Central Punjab that receive maximum solar radiation. The Annual Direct Normal Solar Radiation for CSP is in the range of 7-7.5 KWh/m2/day in many parts of Balochistan and between 6.5-7 KWh/m2/day in other parts of Balochistan. 5-5.5 KWh/m2/day in Southern Punjab and Northern Sindh and around 4.5-5 KWh/m2/day in rest of Pakistan (Figure 1).
The Annual Flat Plate Titled at Latitude Solar Radiation indicates immense potential for PV, which is in the range of 7-7.5 KWh/m2/day in most of Balochistan, 6-6.5 KWh/m2/day in most of Sindh, Southern Punjab and Gilgit-Baltistan and in the range of 5.5-6 KWh/m2/day in rest of the country (Figure 2).
This means that there is a vast potential for converting the untapped solar energy source for useful means. This potential can be exploited to produce electricity, which can be provided to off-grid communities in the northern hilly areas and the southern and western deserts. According to the Pakistan Energy Book 2004-05, solar energy falling on 0.25% Balochistan province would be adequate to meet the current requirement of the country with 20% efficient devices.Seasonal Maps (Direct) Seasonal Maps (Latitude Tilt)