While the American housing market remained in a slump in 2009 and automakers limped along the wind industry continued to boom, according to a report released Thursday. A record 10,010 megawatts of new wind capacity was installed in the United States last year, accounting for 39 percent of new electrical generation, the American Wind Energy Association said in its annual report.

That raises the nation’s total wind energy capacity to more than 35,000 megawatts, or enough electricity to keep the lights on in 9.7 million homes. “Over the past five years, wind power and other renewable energy technologies, combined with natural gas, have provided over 90 percent of all new generating capacity in the U.S.,” the report’s authors stated.  Read more about 2009 wind installations.