A judge is considering a $2.6 million settlement offer from Xcel Energy over regulators concerns that Xcel may have overbilled consumers for its wind energy program, Windsource. Through the Windsource program, 47,000 Xcel Energy customers pay extra to Xcel to support the generation of wind power. What was the problem with the program? According to KJCT8.com,

Staff of the Colorado Public Utilities Commission contend Xcel sold credits from 2005 to 2007 for more wind