> Power prices are negative 200 million times/year in US and rapidly growing! European grid has more renewables, we can expect it to be negative more frequently

> Power prices are negative 200 million times/year in US and rapidly growing! European grid has more renewables, we can expect it to be negative more frequently. Given 31,536,000 seconds in a year, a more descriptive aggregate statistic might be how much of total capacity was at a negative billing rate.