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NEI Press Release: Nuclear Energy Facilities Prove Resilience During Hurricane Sandy

Hurricane Sandy from space.
NEI Has just issued the following press release concerning nuclear energy facilities impacted by Hurricane Sandy:
Nuclear Energy Facilities Prove Resilience During Hurricane Sandy

Washington, D.C., October 30, 2012--Thirty-four nuclear energy facilities in the path of Hurricane Sandy have responded well and safely to this powerful storm, demonstrating their resilience against severe natural forces.

Careful planning and comprehensive preparations days in advance of the storm paid off at all of the facilities, which were prepared to take the steps necessary to maintain safety against high winds, record flooding and disturbances on the regional electric grid. Highly trained reactor operators and emergency response personnel stationed at the plants throughout the storm were able to take actions beyond their usual duties to protect the power plants and communities that surround them. As Hurricane Sandy moves beyond the mid-Atlantic and Northeastern states after knocking out electricity to seven million customers in 13 states, nuclear facility operators are conducting thorough inspections to ensure that all systems and equipment are ready to maintain the facilities in a safe condition.

Of the 34 nuclear facilities from South Carolina to Vermont in Hurricane Sandy’s path, 24 continued to operate safely and generate electricity throughout the event. Seven were already shut down for refueling or inspection, and three in New Jersey or New York safely shut down, as designed, because of storm conditions or grid disturbances. Inspectors from the U.S. Nuclear Regulatory Commission have been stationed at each nuclear energy facility to oversee preparation for and recovery from the storm.
“Hurricane Sandy once again demonstrates the robust construction of nuclear energy facilities, which are built to withstand extreme flooding and hurricane-force winds that are beyond that historically reported for each area,” said Marvin S. Fertel, president and chief executive officer at the Nuclear Energy Institute. “Beyond the physical strength of these nuclear power plants, the professional crews that operate and maintain them take exacting precautions as significant storms approach. They also coordinate with local, state and federal emergency response officials.

“Our facilities’ ability to weather the strongest Atlantic tropical storm on record is due to rigorous precautions taken in advance of the storm. In the days prior to Sandy storming the Atlantic coast, nuclear plant operators took a series of actions outlined in their emergency preparedness plans,” Fertel said. “These include securing or moving any equipment that could possibly become airborne due to high winds and verifying that weather-tight doors and water intakes are prepared. Each plant site also has numerous emergency backup diesel generators that are tested and ready to provide electricity for critical operations if electric power from the grid is lost.”
As a precaution, a reactor will be shut down at least two hours before the onset of hurricane-force winds at the site, typically between 70 and 75 miles per hour. If there is a loss of off-site power during or following a hurricane, reactors automatically shut down as a precaution and the emergency backup diesel generators will begin operating to provide electrical power to plant safety systems.

“Actions taken by companies operating reactors in the mid-Atlantic and Northeast once again demonstrate that nuclear energy facilities are well protected against extreme natural events,” Fertel said.

In 2011, 24 reactors at 15 facilities from North Carolina to New England safely withstood Hurricane Irene, a category 3 hurricane. In 2005, Entergy safely shut down Waterford 3 in Louisiana after Hurricane Katrina, a category 5 hurricane, knocked out off-site power and damaged the regional electrical infrastructure. Florida Power & Light in 2004 safely shut down St. Lucie 1 and 2 in Florida after Hurricane Jeanne caused a loss of off-site power.

During Hurricane Sandy, Exelon Corp’s Oyster Creek reactor in New Jersey, which was shut down before the storm for a refueling outage, declared an alert on Oct. 29. The alert, the second lowest of four Nuclear Regulatory Commission action levels, was in response to high water levels at the facility’s cooling water intake structure. Exelon is in the process of restoring offsite power to the facility. Until then, Oyster Creek is being safely powered by backup diesel-driven electrical generators that have fuel to power the reactor’s safety systems for more than two weeks. The plant’s reactor and used fuel storage pool have ample water supplies for cooling.

The following is a summary of U.S. nuclear power plant performance during Hurricane Sandy (as of 11 a.m. Oct 30):

North Carolina:
Brunswick 1 and 2 – continued operating at 100 percent power.

Surry 1 and 2 – continued operating at 100 percent power.
North Anna 1 and 2 – continued operating at 100 percent power.

Calvert Cliffs 1 and 2 – continued operating at 100 percent power.

New Jersey:
Oyster Creek – shut down for refueling outage; alert declared Oct. 29 due to high water level at water intake structure.
Hope Creek 1 -- continued operating at 100 percent power.
Salem 1 – manual safe shut down from 100% power on Oct. 30 due to high water level at water intake structure.
Salem 2 – shut down for refueling outage.

Peach Bottom 2 and 3 – continued operating at 100 percent power.
Three Mile Island 1 – continued operating at 100 percent power.
Limerick 1 and 2 – safely reduced power from 100% to 50% and 22% respectively on Oct. 30 due to storm effects and at the request of the regional electric grid operator.
Beaver Valley 1 – continued operating at 100 percent power.
Beaver Valley 2 – shut down for refueling outage.
Susquehanna 1 – shut down for turbine inspection.
Susquehanna 2 – continued operating at 75 percent power.

Perry 1 – safely reduced power from 100% to 91% on Oct. 30 at the request of the regional electric grid operator.
Davis-Besse – continued operating at 100 percent power.

New York:
Indian Point 2 – continued operating at 100 percent power.
Indian Point 3 – manual safe shut down from 100 percent power on Oct. 30 due to an electric grid disruption.
Ginna – shut down for refueling outage.
Fitzpatrick – continued operating at 100 percent power.
Nine Mile Point 1 – manual safe shut down from 100 percent power on Oct. 29 due to an electric grid disruption.
Nine Mile Point 2 – continued operating at 100 percent power.

Millstone 2 – shut down for refueling outage.
Millstone 3 – safely reduced power from 100% to 75% on Oct. 29 at the request of the electric grid operator.

Pilgrim 1 – continued operating at 100 percent power.

New Hampshire:
Seabrook 1 – shut down for refueling outage, but safely restarted Oct. 30 and is at 20 percent power.

Vermont Yankee – safely reduced power from 100% to 90% on Oct. 30 at the request of the regional electric grid operator.

Nuclear power plants operating in 31 states provide electricity to one of every five U.S. homes and businesses. Nuclear energy produces more electricity than any other source in Connecticut, Illinois, New Hampshire, New Jersey, South Carolina, Vermont and Virginia.

Nuclear energy facilities are designed to withstand natural occurrences greater than those encountered in the regions where they are located. They are built to withstand floods, earthquakes and high winds, and have numerous safety systems that will operate and safely shut the reactor down in the event of a loss of off-site power.

U.S. nuclear energy facilities have a long history of successfully and safely responding to natural challenges. See "Through the Decades: The History of U.S. Nuclear Energy Facilities Responding to Natural Challenges."
For the latest updates, please follow NEI's Twitter feed: @n_e_i.


trag said…
It would be interesting to read how the coal and natural gas plants in the area faired. Can they keep feeding coal into boilers during torrential rain? How do the gas pipelines do in high winds?
jim said…
True. I've Googled zero data regards to such but TONS questioning the "survival" of nuclear plants during violent storms. We've gas and oil powerplants within NYC and believe me they're cardboard next to yards-thick concrete structures. Yet the doubts still fly. Isn't bias blind??

James Greenidge

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