Farnborough International has invested £1m in solar panels on the roof of its Exhibition & Conference Centre as part of its plan to reach net zero.  The panels, installed by Empower Energy, cover 5,780sqm, or the equivalent of 29 tennis courts across the roof of Hall 1.  At 1.2MW, the expanded system now produces over 1MW of usable electricity for the site on a sunny day, making th...