'I turned into a solar nerd': money and fun were the unexpected benefits of installing panels

Our former environment correspondent had solar panels installed in 2010 and later added a heat pump. He's totted up the energy generated and cash saved over the yearsAn abiding memory of a day in August 2010, the first time my solar panels were connected to the grid, was of the builders downing tools and watching the electricity meter whiz round backwards.It was a sunny day and they were supposed to be finishing the plastering and insulation, but the novel sight of the old-style electricity meter in reverse was too entertaining. Continue reading...