Connecticut spent nearly $338 million between 2009 and 2011 on energy-efficiency projects and expects to spend more than twice that, $775.5 million, between 2015 and 2021. But Connecticut’s increase in spending on energy efficiency will be dwarfed by the growth for the whole region, according to officials with ISO-New England. The region spent $1.2 billion on energy efficiency between 2008 and 2011 and expects to spend nearly five times that about $5.7 billion, between 2015 and 2021. The energy-efficiency measures the six New England states are taking will prevent any annual growth in energy consumption between now and 2021.
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