NEW YORK CITY-The Bloomberg administration said Sunday that it has completed energy efficiency benchmarking for every city-owned building over 10,000 square feet. The benchmarking of 2,790 municipal properties is a requirement of the 2009 Greener Greater Buildings Plan, which mandates the same for privately owned structures larger than 50,000 square feet by May 1, 2011.

“You can’t manage what you don’t measure, and benchmarking the city’s buildings lets us determine where energy costs can be reduced,” Mayor Michael Bloomberg says in a statement. “Understanding the consumption across the city’s portfolio is a critical component of meeting our goal of reducing city government carbon emissions 30% by 2017. As the largest building owner in the country’s largest city, we can serve as a model for all building owners—particularly those required to benchmark next year.”

Working with 28 separate city agencies, the Department of Citywide Administrative Services began the benchmarking project a year ago. Benchmarking measures the total electricity, natural gas, steam and fuel oil consumed in a property and adjusts for other factors—including building type, year of construction, number of workers and gross square footage–to help determine which facilities operate inefficiently. The idea is to allow the city to prioritize buildings for energy efficiency investments and monitor performance over time, according to a release.

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