UniSource Energy Services is proud to be a sponsor of the 24th Annual Winterfest. Winterfest, produced by the Lake Havasu Area Chamber of Commerce, will be held Feb. 7-8, 2009 on upper McCulloch Blvd. Presenting the check were Unisource General Manager Bill DeJulio and District Manager Miles Willard. Eileen Nexsen, Winterfest Chairman; Michelle Mizuno, Winterfest Manager; and Lisa Krueger, Chamber President/CEO were on hand to accept the sponsorship check.