The Department of Energy's National Renewable Energy Laboratory (NREL) published its 2012 Renewable Energy Data Book on November 23, 2013, reporting significant growth, particularly for wind and solar photovoltaic (PV) technologies. Compared to 2011, cumulative installed wind capacity grew nearly 28% and PV capacity jumped 83% on the same measure. In 2012, renewables accounted for 14% of total installed capacity, 12.2% of total electric power generation, and more than 56% of all new electrical capacity installations in the U.S. And global trends are strong as well: installed renewable electricity, including hydropower, doubled between 2000 and 2012.
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