 St. George is asking residents to conserve energy despite rising temperatures. The city announced yesterday was its first Orange Day, which asks for residents to save energy because of a strain on the power system. It requested the use of in-home appliances such as washers and dryers to not be used during the hours of 3 and 7 p.m. St. George and other southern Utah cities have been under an excessive heat warning with temperatures climbing above 110 degrees. The heat wave isn't expected to break until Saturday.