Summer | EnergyNorthwest.com

High Summer Temperatures Send CAISO and ERCOT Scrambling to Maintain Grid Reliability

July 27, 2018

California and Texas—two regions where summer reliability concerns were forecast earlier this year—are suffering extreme temperatures and are scrambling to relieve stress on the grid.

The California Independent System Operator (CAISO)—the grid operator that serves about 80% of California—on July 24 and 25 issued statewide Flex Alerts, calling for voluntary electricity conservation during peak afternoon and evening hours.

The Flex Alerts stem from high temperatures across the western U.S., reduced electricity imports, tight natural gas supplies in the Southern California area, and a high wildfire risk. “Consumers can help avoid power interruptions by turning off all unnecessary lights, using major appliances before 5 p.m. and after 9 p.m., and setting air conditioners to 78 degrees or higher,” the grid operator urged. “The ISO has called on all available resources to serve demand, however, conservation is needed to reduce the risk of further emergency measures, including rotating power outages.”

At the Electric Reliability Council of Texas (ERCOT), the entity that manages the flow of power for 90% of Texas’s electric load, a new record for all-time system-wide peak demand was set during two hours in the afternoon on July 19.…

UPDATED: SCANA, Santee Cooper Abandon V.C. Summer AP1000 Nuclear Units, Citing High Costs

August 1, 2017

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SCANA Corp. and Santee Cooper have ceased construction of Units 2 and 3 at the V.C. Summer Nuclear Station in South Carolina.

The project owners said the decision, prompted by analysis of detailed schedule and cost data, would save customers nearly $ 7 billion. The project, which was about 64% complete, has been in limbo since key contractor Westinghouse filed for bankruptcy in March.

The decision comes just days after Westinghouse’s parent company Toshiba agreed to pay the two project owners nearly $ 2.2 billion to cap its liabilities from the unfinished nuclear project. Toshiba reached a similar $ 3.7 billion agreement with Southern Co. in June as it seeks to limit its liabilities from the Vogtle project. Both AP1000 nuclear projects are years behind schedule and billions of dollars over budget.

Construction continues at the two Vogtle AP1000 units in Georgia. A project owner, Georgia Power, on July 28 told POWER that it expects to complete the cost-to-complete and schedule assessment by the end of August.…

Toshiba Will Pay $2.2 Billion to Exit Summer Nuclear Project

July 29, 2017

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SCANA Corp. and state-owned utility Santee Cooper on July 27 said Toshiba has agreed to pay nearly $ 2.2 billion to cap its liabilities from the unfinished V.C. Summer nuclear project in South Carolina. Toshiba subsidiary Westinghouse, which was building two nuclear units at the Summer site along with the troubled Vogtle nuclear project in Georgia, filed for bankruptcy in March.

Toshiba reached a similar $ 3.7 billion agreement with Southern Co. in June as it seeks to limit its liabilities from the Vogtle project. Both AP1000 nuclear projects are years behind schedule and billions of dollars over budget.

Decision on Summer’s Future Expected Soon

SCANA, represented by principal subsidiary South Carolina Electric & Gas Co. (SCE&G), and Santee Cooper in a statement on July 27 said they expect the cost to complete the Summer plant will “materially exceed” both Westinghouse’s estimates for completion and the payments from Toshiba, outlined as $ 2.168 billion over a five-year period. SCANA and Santee Cooper said they expect to decide soon whether they will continue with Summer’s construction, modify the project, or abandon it.…

SCANA, Santee Cooper Buy More Time for V.C. Summer Decision

June 27, 2017

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SCANA Corp. subsidiary South Carolina Electric & Gas Co. (SCG&E) and Santee Cooper—owners of the two-unit expansion of the V.C. Summer nuclear plant—have extended an interim assessment agreement with Westinghouse to allow the project’s owners to “continue to make progress on the site.”

The companies on June 26 extended the agreement to August 10, but it is subject to bankruptcy court approval.

“The agreement extension allows the co-owners additional time to maintain all of their options by continuing construction on the project, while examining all of the relevant information for a thorough and careful assessment to determine the most prudent path forward,” the project owners said.

“The goal is to reach a decision in the third quarter.”

A Hard Decision to Make

SCE&G and Santee Cooper have worked with Westinghouse to reach agreement on the project even before the Toshiba company filed for bankruptcy protection in late March. Westinghouse cited liquidity crisis stemming from losses at the V.C. Summer and Vogtle AP1000 projects for its financial collapse.…

Southern Company Could Delay Plant Vogtle Decision Until Late Summer

May 30, 2017

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CEO Tom Fanning told Southern Co.’s shareholders attending the company’s annual meeting on May 24 that a decision on how to proceed with the Plant Vogtle nuclear expansion could take several more months.

The Vogtle expansion—one of two new nuclear construction projects underway in the U.S. utilizing Westinghouse’s AP1000 technology—has been in limbo, albeit still in progress, since Westinghouse filed for bankruptcy in late March. Yesterday, Reuters reported that Westinghouse had “reached a deal to borrow $ 800 million after allaying creditors’ concerns that the money would be flowing to non-bankrupt affiliates overseas.”

But that news doesn’t seem to have made Southern Co.’s decision to proceed with Plant Vogtle Units 3 and 4 any easier. Following the annual meeting, The Atlanta Journal-Constitution reported that despite company officials previously stating that they had hoped to have a decision by today, or at least in June, Fanning is now aiming for August or “late summer.”

Less than two weeks ago, Southern Co. subsidiary Georgia Power announced that it had reached a new service agreement, which would allow for the transition of project management from Westinghouse to Southern Nuclear and Georgia Power “once the current engineering, procurement and construction contract is rejected in Westinghouse’s bankruptcy proceedings.”…

Vogtle, V.C. Summer Project Owners Buy More Time to Mull Fate of Nuclear Units

May 1, 2017

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The owners of the Vogtle and V.C. Summer nuclear expansions separately secured a few more weeks to allow work to continue onsite at each project while they decide how to proceed with the half-built AP1000 reactors after Westinghouse’s financial debacle.

In Georgia, owners of the project to expand Plant Vogtle extended an interim assessment agreement with Westinghouse until May 12. But Georgia Power’s parent company Southern Co. also revealed it is negotiating a new service agreement that could engage Westinghouse to provide design, engineering, and procurement services in the event Southern Nuclear Operating Co.—Southern Co.’s nuclear unit operations arm—takes over management of construction at Units 3 and 4.

And in South Carolina, owners of the project to expand V.C. Summer extended a similar agreement through June 26. The project owners detailed their concerns and options in a recent ex parte briefing at the South Carolina Public Service Commission (PSC)

Vogtle Agreement Extended Until May 12

Georgia Power and Vogtle’s other owners on April 28 extended an interim assessment agreement with Westinghouse before it was set to expire, giving them until May 12 to assess the project.…