MISO

America’s energy mix is undergoing a period of rapid change. The way we generate electricity in this country looks dramatically different than it did just a decade ago, as wind and solar have matured and

Brutally cold temperatures in the midwestern and northeastern U.S. spurred grid operator alerts as natural gas demand has surged, power prices have soared, and there have been forced generator outages.  The polar vortex, an extreme cold event characterized by back-to-back cold fronts, has so far prompted states of emergency in Wisconsin, Illinois, and Michigan. On […]

The “bomb cyclone,” a winter storm that descended on much of the eastern U.S. from December 27, 2017, to January 8, 2018, renewed the raging debate about resiliency and prompted flashbacks of the “polar vortex,” a similar deep freeze that transpired in January 2014 and was compounded by the loss of 82 GW nationwide for various reasons. […]

The Midcontinent Independent System Operator’s (MISO’s) geographic footprint extends down the middle of the U.S. Because of the structure of its market, MISO has artfully avoided some nasty policy and

The conversation at the ELECTRIC POWER Conference and Exhibition, as underscored by comments made in its keynote address and at the annual event’s executive roundtable, was optimistic yet cautious, owing to

The U.S. market for electricity is trifurcated. More than half the country is served by competitive generators bidding against each other in wholesale markets. Almost half is served by conventional state-regulated, vertically integrated utilities controlling generation and transmission. The rest, a much smaller portion, consists of government-owned and customer-owned utilities, some of which are generators […]

In an effort to become a fully regulated power company, American Electric Power (AEP) has agreed to sell four Midwestern power plants—representing a total of 5.2 GW—to a newly formed joint venture of Blackstone and ArcLight Capital Partners for about $2.17 billion.  AEP will sell: the 1,186-MW natural gas–fired Lawrenceburg Generating Station in Lawrenceburg, Ind. […]

ATLANTA, Sept. 1, 2016 /PRNewswire/ — Southern Company subsidiary Southern Power today announced its agreement to acquire the Mankato Energy Center from Calpine Corporation, subject to customary closing conditions. Located in Mankato, Minnesota, the center will include two natural gas units – the existing 375-megawatt (MW) Mankato Energy Center I and the 345-MW Mankato Energy […]

  Even though it may dominate forecasts, natural gas–fired generation faces a troubled expansion in the U.S., according to experts from a variety of stake-holding entities—including an industry group, a utility, a generator, and a pipeline company. Challenges that have few solutions—from price volatility, to gas transport concerns, to rule uncertainty—may upend the nation’s dependence […]

Dynegy Inc. announced on May 3 that it plans to shut down multiple Illinois coal-fueled units due mainly to the failure of the plants to recover basic operating costs in recent Midcontinent Independent System Operator (MISO) capacity auctions. According to the company, the generation that will be lost is 2,800 MW—about 30% of the total […]