With so much focus on environmental issues, data centers are increasingly coming under scrutiny for the amount of energy they consume. It’s not just a matter of being conscientious of the environment, many companies are concerned about the high costs of energy bills that could be unnecessary.
According to one estimate, U.S. data centers were consuming 91 billion kilowatt-hours of electricity in 2013. That was about the same amount used by 34 large coal-fired power plants. That report by the National Resources Defense Counsel also projected that electricity consumption by data