If you stop to think about it, it’s a marvel that we can harness energy from the sun. But we do, thanks to solar panels equipped with photovoltaic cells that convert sunlight to electricity. That’s no ...

The average cost of an eight-panel array in the UK is £4,990, and £6,740 with a 5kwh battery. With this setup and today’s energy prices, it will take about 11 years to get your money back, although ...