Midland Power Cooperative and the City of Ames Electric Services will host a contractor and builder dinner on Tuesday, Feb. 20 at 6 p.m. in Ames to help educate local building professionals about the latest in residential energy-efficient building practices. Representatives from both organizations will also outline their available rebate programs and potential federal tax credits. Contractors, builders, and tradespeople involved in residential construction are encouraged to attend. Due to limited seating, registration is requested.