Wind/solar mandates are a costly fail, reports UChicago study Steve Milloy | Tuesday, April 23, 2019 ยท 8:59 AM | Wind/solar Even minimal increases (1-4%) in wind/solar raise electricity prices 11-17%. Reducing CO2 emissions costs $130 to $460 per ton. Disaster. Source: University of Chicago Web | PDF Share this:ShareTwitterFacebookRedditWhatsAppTumblrLinkedInEmailPrint