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FirstEnergy Solutions Files Certification Letter with NRC Affirming Plan to Close Nearly 4,050 MW of Nuclear Generating Facilities

LCG, April 26, 2018--FirstEnergy Solutions (FES), a competitive generation subsidiary of FirstEnergy Corp., yesterday announced that it has filed a Certification Letter with the Nuclear Regulatory Commission (NRC) formally notifying the Commission of its decision to permanently deactivate its nuclear power plants over the next three years, citing "severe economic challenges." When the closures are combined, the reduction will total 4,048 MW of carbon-free, electric generating capacity. In 2017, the nuclear units contributed approximately 65 percent of the electricity produced by the FES generating fleet.

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Alliant Energy to Install More Wind Farms in Iowa

LCG, April 19, 2018--Alliant Energy's Iowa utility subsidiary, Interstate Power and Light Company (IPL), received approval to increase its wind expansion program from the Iowa Utilities Board (IUB). Through this expansion, combined with existing wind farms and market purchases, the company expects wind to provide approximately one-third of its total electric generating capacity in Iowa by the end of 2020.

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Industry News

Southwest Power Pool Sets Wind Penetration Record of 62.13 Percent

LCG, April 4, 2018--Southwest Power Pool (SPP) achieved a record wind penetration and record renewable penetration levels in the early morning on March 31. According to SPP, the wind generation was approximately 14.5 GW, or 62.13 percent, at 1:54 a.m. Combined with nuclear output, the renewable generation resources contributed to about 64.7% of the total load.

With the record setting wind generation, the five-minute SPP North Hub real-time locational marginal prices (LMP) fell to about $2.25/MWh at 1:55 a.m. in the real-time market, while SPP South Hub LMP dropped to negative $10/MWh.

The all-time high wind generation record was set at 15,690 MW in December, serving 51 percent of total load at that time.

The prior wind record was set on March 17, when wind penetration hit as high as 60.56 percent of the total load in the early morning hours. SPP also set a wind penetration record of 58.1 percent earlier in March.


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