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Paducah Laser Nuclear Enrichment Facility Gets Fuel but Not Formal Construction Decision

November 12, 2016

While GE-Hitachi Global Laser Enrichment (GLE) confirmed it hasn’t made a formal decision to proceed with licensing or construction of a laser enrichment facility at Paducah, Ky., the Department of Energy (DOE) announced it has agreed to sell depleted uranium to the company over a 40-year period to help produce nuclear power plant fuel.

The DOE said that GLE would finance, construct, own, and operate the Paducah Laser Enrichment Facility proposed for a site near the DOE’s Paducah Gaseous Diffusion Plant in western Kentucky. The commercial facility is expected to use, under a Nuclear Regulatory Commission (NRC) license, depleted uranium to produce natural uranium, which will then be used for production of fuel for U.S. civil nuclear reactors. The agreement provides for the sale of about 300,000 metric tons of DOE-owned high-assay uranium hexafluoride (DUF6) inventories for re-enrichment using proprietary SILEX technology to produce natural-grade uranium.

Yet, as a GE Power spokesperson told POWER on November 11, GLE “has made no formal decision to proceed with licensing or construction of the facility.”…

More Delays at Kemper as $250 Million Deadline Looms

November 8, 2016

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Southern Co. has once again moved back the in-service date for the Kemper County integrated gasification combined cycle (IGCC) plant under construction in Mississippi, this time to December 31, the company said in its quarterly report released on November 4.

Though the plant has experienced ongoing construction delays for a variety of reasons, the most recent date carries special significance. According to the report, Southern subsidiary Mississippi Power will have to repay $ 250 million in tax benefits should it miss the December 31 date.

The deadline is a result of provisions in the “tax extenders” act passed by Congress in 2015, which allowed additional depreciation for certain projects. Southern said it expects to receive about $ 370 million in total tax benefits for Kemper under this provision, about $ 250 million of which has already been received through September 30 as a result of quarterly income tax refunds. But if Kemper does not enter service before the end of the year, Southern will have to repay those benefits.…

GE-Hitachi and Southern Nuclear to Pair on Fast Reactor Design Advancement

November 6, 2016

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GE-HItachi Nuclear Energy (GEH) and Southern Nuclear Energy will collaborate to study the development and licensing of GEH’s PRISM sodium-cooled fast reactor design.

Southern Nuclear Development, a subsidiary of Southern Co. company Southern Nuclear Operating Co. signed a memorandum of understanding to study the high-energy neutron reactor design, as well as to work together toward participating in future U.S. Department of Energy advanced reactor licensing projects.

The companies said in a joint press release on October 31 that the PRISM design has benefited from the operating experience of EBR-II. Developed under the U.S. Integral Fast Reactor (IFR) program, the EBR-II was a 62-MWe prototype that began operations in 1961 at a Argonne National Laboratory site in Idaho Falls, Idaho, and operated for more than 30 years. The prototype was used for testing materials and design concepts and later used to generate power for other site facilities.

The reactor was shut down in 1994. In mid-2015, crews completed work to entomb the reactor, removing and treating the last of the sodium coolant from the reactor’s nine heat exchangers.…

Two Deals Shake Up Northeastern Power Landscape

November 4, 2016

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TransCanada—a leading North American energy company—has struck deals to sell its U.S. Northeast Power business. LS Power will acquire three principally natural gas–fired power plants and a wind farm from TransCanada, while ArcLight Capital Partners will buy 13 hydropower facilities located in Vermont, New Hampshire, and Massachusetts.

“The sale of our merchant U.S. Northeast Power business to fund a portion of our acquisition of [Columbia Pipeline Group Inc.] will further enhance the stability and predictability of our earnings and cash flow streams and support a strong and growing dividend,” said Russ Girling, TransCanada’s president and CEO.

The plants being acquired by LS Power are Ravenswood, a 2,480-MW multiple-unit facility with dual-fuel-capable steam turbine, combined cycle, and combustion turbine units located in Queens, N.Y.; Ironwood, a 778-MW combined cycle plant in Lebanon, Penn.; Ocean State Power, a 560-MW combined cycle plant in Burrillville, R.I.; and Kibby Wind, a 132-MW wind farm in Franklin County, Maine. LS Power, through its affiliate Helix Generation, will pay TransCanada $ 2.2 billion in cash for the 3,950-MW portfolio.…

France’s Nuclear Storm: Many Power Plants Down Due to Quality Concerns

November 2, 2016

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[Note: This article will appear in the forthcoming December 2016 print issue of POWER.]

The discovery of widespread carbon segregation problems in critical nuclear plant components has crippled the French power industry—20 of the country’s 58 reactors are currently offline and under heavy scrutiny. France’s nuclear safety chairman said more anomalies “will likely be found,” as the extent of the contagion is still being uncovered.

With over half of France’s 58 reactors possibly affected by “carbon segregation,” the nation’s nuclear watchdog, the Autorité de Sûreté Nucléaire (ASN) has ordered that preventative measures be taken immediately to ensure public safety. As this story goes into production in late October, ASN has confirmed that 20 reactors are currently offline and potentially more will shut down in coming weeks.

The massive outages are draining power from all over Europe. Worse, new questions continue to swirl about both the safety and integrity of Électricité de France SA’s (EDF’s) nuclear fleet, as well as the quality of some French- and Japanese-made components that EDF is using in various high-profile nuclear projects around the world.…

Idaho Power Pursues Accelerated Depreciation of North Valmy Coal Plant

October 31, 2016

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Idaho Power—co-owner with NV Energy of the two-unit 522-MW North Valmy Generating Station near Battle Mountain, Nevada—filed a request with the Idaho Public Utilities Commission (IPUC) last week seeking to accelerate the depreciable life of the power plant from 2031 for Unit 1 and 2035 for Unit 2 to 2025 for both units.

In Idaho Power’s 2015 Integrated Resource Plan (IRP), the company said its preferred portfolio included retirement of the North Valmy plant at year-end 2025. The timing matched the expected completion date of the Boardman to Hemingway transmission line project, which will add a new connection to the Pacific Northwest. The preferred portfolio included the addition of 60 MW of demand response and 20 MW of ice-based thermal energy storage in 2030, and the addition of a 300-MW combined cycle combustion turbine in 2031.

The 2015 IRP included a 2016 action item to continue working with NV Energy “to synchronize depreciation dates and determine if a date can be established to cease coal-fired operations” at North Valmy Units 1 and 2.…