This is exciting stuff: Xcel Energy is going to test 80-ton batteries the size of two semi-trailers to capture the power generated from its wind turbines.
Xcel Energy

How to Not to Lose that Wind Power Feelin’
(via sustainablog.org)
Submitted by Maria Energia on Wed, 2008-03-05 17:18. | Tags: technology | minnesota | Renewable Energy | wind power | Xcel Energy