Extreme Cold Straining Xcel Energy’s Natural Gas System; Residents Urged To Turn Down Thermostat Steve Milloy | Wednesday, January 30, 2019 · 1:01 PM | Fuel switching, Xcel Energy This doesn’t happen with coal… which is dedicated to producing electricity. Source: CBS Minnesota Web | PDF Share this:ShareTwitterFacebookRedditWhatsAppTumblrLinkedInEmailPrint