Clinton’s plan to is to increase “green energy” – renewables plus other clean sources excluding nuclear – to the equivalent of 33% of US power generation by 2027, versus about 14% in 2014.

This would provide “enough clean renewable energy to power every home in America,” she said in a Sunday speech in Iowa, and move the $17trn US economy on a “path towards deep de-carbonization by 2050.”

“I