When the official report on the Spain and Portugal blackout from April came out, it described a grid made vulnerable to excess voltage as a result of the fast growth of weather-dependent generators. But this excess voltage problem is not just reserved for the Iberian Peninsula. The whole of Europe has become vulnerable. Last year, a total of 65.5 GW of solar generation capacity was installed across the European Union. It was a record high, and the fourth record-high year of installations in a row, as reported by the EU’s solar power industry…