A rare eclipse set to traverse the US on Monday has sparked a tourism bonanza, as people flock to towns in its path to see the sun’s corona encircle the moon. The control rooms of the nation’s electric utilities will be also be watching. That is because thousands of megawatts of solar energy will disappear as skies darken. In California, the grid operator is lining up additional supply from natural gas power plants and hydroelectric dams to accommodate the drop. PJM Interconnection, the grid spanning from Illinois to New Jersey, expects up to 2,500MW of solar power to be lost and will rely on replacement generation.
FT 18th Aug 2017 read more »