Solar and Wind Energy Droughts can last a week.
“The paper, Standardized benchmark of historical compound wind and solar energy droughts across the Continental United States warns that these occurrences could have a heavy impact on an unprepared grid.”
“When we have a completely decarbonized grid and depend heavily on solar and wind, energy droughts could have huge amounts of impact on the grid,” comments Cameron Bracken, an Earth scientist at PNNL and lead author of the paper.”
PNNL warns wind & solar ‘energy droughts’ may last a week, but storage can help
The paper, Standardized benchmark of historical compound wind and solar. Even with batteries, an energy drought can plunge an area into darkness and these droughts could last for as long as a week, based on historic weather data. You need to protect yourself with backup power.