Not everyone can afford to welcome brisk temps - CharlotteObserver.com

: "It's simple. When you enroll, Piedmont will round up your monthly gas bill to the nearest dollar and donate the difference to Crisis Assistance Ministry and other agencies that assist low-income residents with utility bills.".... 
"Duke Energy also has a Share the Warmth program. Customers make donations with a check or online; the Duke Energy Foundation will match up to $500,000 in customer contributions during the heating season."