RTI report: N.C. clean-energy investment in 2013 nearly equals total for previous 6 years

North Carolina companies invested almost $1.3 billion in renewable energy and efficiency projects last year, according to a new report produced by Research Triangle Park-based RTI International and commissioned by the N.C. Sustainable Energy Association. That is almost as much as the total investment in such projects from 2007 to 2012. Counting secondary economic impacts, clean energy and efficiency added $1.2 billion to the gross state product, a measure of the state’s total economic output, in 2013, the report says. Read more.