H5 Data Centers, a national colocation and wholesale data center provider, announced the receipt of Xcel Energy’s 2016 Data Center Efficiency Award. Xcel Energy recognized H5’s sustainability leadership through its $15 million energy efficiency and infrastructure improvement upgrades at its Denver data center campus. The energy-efficient investments resulted in the annual reduction of 3.2 million kwh – the equivalent reduction of over 1,850 metric tons of CO2 emissions per year.