Wind, solar, and other renewable sources (biomass, geothermal, hydropower) accounted for almost 95 percent (94.9 percent) of all new U.S. electrical generation placed into service in the first quarter of this year, according to a SUN DAY Campaign analysis of data released by the U.S. Federal Energy Regulatory Commissions (FERC).
“Energy Infrastructure Update” (with summary statistics for January, February, and March 2018) from FERC shows that 16 new units of wind, totaling 1,793 megawatts (MW), came into service in the first three months of 2018 along with 92 units of solar (1,356-MW) for a total of 3,149-MW. In addition, there was one unit of geothermal steam (19-MW), five units of water (18-MW), and three units of biomass (3-MW).
Among non-renewable sources, six units of natural gas provided another 79-MW of new capacity along with five units of oil (10-MW), and one unit of nuclear (4-MW). There were also six units (80-MW) defined as other by FERC (fuel cells, batteries & storage). No capacity additions were reported for coal during the quarter.
FERC data also reveal that the total installed capacity of renewable energy sources now provides over one-fifth (20.69 percent) of total available U.S. generating capacity. Combined, wind and solar alone exceed one-tenth (10.44 percent) of installed capacity, a share greater than that of nuclear power (9.14 percent) or hydropower (8.52 percent) or oil (3.56 percent).
FERC’s report further suggests that the expansion and dominance of renewable energy sources will continue at least through April 2021. Proposed new net generating capacity (additions minus retirements) by renewables over the next three years totals 148,281-MW or 70.1 percent of the total (211,621-MW). Proposed new net generating capacity by wind (85,625-MW) and solar (49,088-MW) alone are 63.7 percent of the total, supplemented by hydropower (11,824-MW), geothermal (1,130-MW), and biomass (614-MW).
Most of the remaining net proposed new generating capacity to be added between now and April 2021 is accounted for by natural gas (74,624-MW – 35.3 percent). Net proposed additions by nuclear total 1,831-MW, while those from oil are 268-MW. FERC also lists proposed new net generating capacity from waste heat (96-MW) and other sources (680-MW). Notably, the net generating capacity of coal would actually decline by 14,177-MW as 15,864-MW of coal capacity is retired, eclipsing just 1,687-MW of additions.