Solar energy payback takes a lot longer than you think
Your article suggests that a 4 kilowatt (kW) solar panel system could save its owners £980 a year at 28p per year. kilowatt hour (kWh) and £1,575 at the 45p per kWh coming soon (Solar panels: how to fix your energy bills while the sun shines, August 20). This estimate overlooks the important fact that […]