... but who cares about free wind? Coal is king. Murica.
One of the biggest concerns with renewable energy is what to do when the wind stops blowing or the sun stops shining. But sometimes you can have the opposite problem, like last week in the U.K. when the wind blew so hard electricity prices went negative.
http://www.popularmechanics.com/science/energy/a26827/britain-price-of-electricity-negative/
One of the biggest concerns with renewable energy is what to do when the wind stops blowing or the sun stops shining. But sometimes you can have the opposite problem, like last week in the U.K. when the wind blew so hard electricity prices went negative.
http://www.popularmechanics.com/science/energy/a26827/britain-price-of-electricity-negative/