By David Wojick, Ph.D. ~
The brutal cold wave that just struck America provides a stark example of why 100% renewables cannot possibly work. Once the massive high pressure system was in place there was almost no wind, so no significant wind power. And the coldest temperatures by far were at night or early morning, when there was no solar power either.
For example, take the Mid Atlantic region overseen by the PJM regional transmission organization. PJM coordinates the movement of wholesale electricity in all or parts of Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia and the District of Columbia. They also monitor system reliability.
At 8 am on January 31, PJM was in the deep freeze. Total electric power usage was reported to be roughly a whopping 140,000 MW. Of that wind provided just over 1,000 MW (next to nothing) and…
View original post 598 more words
Climate Collections 