IBM saves $43 million, thanks to energy efficiency measures
Even though it already saved close to $400 million in electricity costs between 1990 and 2010, IBM was able to squeeze out another $43 million in energy savings during 2011. In fact, the company conserved about 378,000 megawatt hours of electricity during the year, which is about 7.4 percent of its annual consumption -- and double its goal for annual savings of 3.5 percent. From 1990 to 2011, IBM saved 5.8 billion kilowatt-hours of electricity, and it avoided about 3.7 million metric tons of carbon dioxide emissions (or 55 percent of its global carbon dioxide emissions for all of 1990). IBM attributes the savings to more than 2,300 conservation efforts supported at more than 364 IBM facilities globally. Those efforts combine efficiency measures, new data center design principles, renewable energy investments and a slew of other efforts, according to the company's 2011 Corporate Responsibility ...
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