Chicago's new Building Energy Use Benchmarking Ordinance requires commercial and residential buildings over 50,000 square feet to report their energy consumption to the city annually using Energy Star's Portfolio Manager. ESD's Edna Lorenz breaks down ordinance compliance into four steps in the April 2014 issue (page 12) of the Illinois Real Estate Journal.
Read the article, "Growing a building's energy efficiency: Chicago's new energy benchmarking ordinance takes effect June 1."