In yet another clear indication of the nation's energy future, renewable sources—biomass, geothermal, hydropower, solar, wind—accounted for nearly 70 percent (69.75 percent) of new electrical generation placed in service in the U.S. during the first six months of 2015.
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According to the recently-released "Energy Infrastructure Update" report from the Federal Energy Regulatory Commission's (FERC) Office of Energy Projects, 18 new "units" of wind accounted for 1,969 megawatts (MW) of new generating capacity—or more than half of all new capacity year-to-date. Among renewable sources, solar followed with 549 MW (71 units), biomass 128 MW (7 units), geothermal steam 45 MW (1 unit) and hydropower 21 MW (1 unit). Twenty-one units of natural gas contributed 1,173 MW.
FERC reported no new capacity for the year-to-date from oil or nuclear power and just 3 MW from one unit of coal. Thus, new capacity from renewable energy sources during the first half of 2015 is 904 times greater than that from coal and more than double that from natural gas.
For the month of June alone, wind (320 MW), biomass (95 MW) and solar (62 MW) provided 97 percent of new capacity with natural gas providing the balance (15 MW).
Renewable energy sources now account for 17.27 percent of total installed operating generating capacity in the U.S.: water at 8.61 percent, wind at 5.84 percent, biomass at 1.40 percent, solar at 1.08 percent and geothermal steam at 0.34 percent (for comparison, renewables were 16.28 percent of capacity in June 2014 and 15.81 percent in June 2013).
Renewable electrical capacity is now greater than that of nuclear (9.20 percent) and oil (3.87 percent) combined. In fact, the installed capacity of wind power alone has now surpassed that of oil. On the other hand, generating capacity from coal has declined from 28.96 percent in mid-2013 to 26.83 percent today.
With Congress now debating whether to extend the federal tax incentives for renewable energy sources, it is reasonable to ask whether the American public has gotten a good return on these investments to date. The latest FERC data confirms that the answer is a resounding yes!
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