How many years does it take to pay back the cost of installing solar photovoltaics
Even in areas where the sun''s radiation is received at less than 550kWh per m2 such as the northern part of the UK, a typical solar panel will only take around 6 years to pay back its energy cost. As solar panels have an expected life of at least 25 years, they will generate zero-carbon and zero-pollution electricity for decades after any ...