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Diablo Canyon Power Plant Begins Scheduled Maintenance And Refueling Outage On Unit 2 Project Provides a Major Economic Boost to the San Luis Obispo Region as More Than 1,000 Supplemental Workers Help Perform State-of-the-Art Equipment Upgrades, Safety Inspections and Plant Improvements

Release Date: February 4, 2013
Contact: PG&E External Communications (415) 973-5930

AVILA BEACH, Calif. – Pacific Gas and Electric Company (PG&E) today announced that Unit 2 at Diablo Canyon Power Plant was safely shut down on Sunday, Feb. 3, 2013 for scheduled refueling and maintenance.

In total, more than 11,000 outage-related activities will be performed to enhance the operation of Unit 2 and to meet PG&E's commitment to provide safe, affordable, reliable and emissions-free electricity through Diablo Canyon Power Plant.

During the outage, more than 1,000 trained supplemental workers from around the country will provide a major economic boost to the San Luis Obispo region as they lodge in hotels and shop at local businesses while working with PG&E employees to install state-of-the-art equipment, conduct thorough safety inspections and complete general plant improvements.

"Diablo Canyon plays a major role in helping PG&E safely generate and deliver to its customers some of the nation’s cleanest electricity," said Ed Halpin, PG&E's Senior Vice President and Chief Nuclear Officer.

"Preparation for the thousands of activities we will perform has been underway for more than a year. The refueling outage and equipment upgrades will ensure the continued safe operation of the facility and provide an important economic boost to the community. From restaurants to hotels, the temporary workers that assist us each outage are good for local business — and often counted on to keep local coffers healthy," added Halpin.

Major work to be performed includes replacing a portion of the Unit 2 reactor fuel, performing maintenance and testing systems and components that are not readily accessible during regular plant operation. Additionally, a crane system used by operators to move key plant components will be upgraded, and a new digital process control system will be installed which will further enhance PG&E's ability to monitor and safely operate the unit. Similar work was performed on Unit 1 during a previous planned outage.

Each of Diablo Canyon Power Plant's two reactor units are refueled about every 18 months. Unit 1 will continue to generate electricity during the Unit 2 outage.

Diablo Canyon Power Plant is a nuclear power facility owned and operated by PG&E. Its two units together produce approximately 2,300 net megawatts of electricity without greenhouse-gas emissions. That total represents about 10 percent of all electricity generated in California, and enough energy to meet the needs of more than three million Northern and Central Californians.

Pacific Gas and Electric Company, a subsidiary of PG&E Corporation (NYSE:PCG), is one of the largest combined natural gas and electric utilities in the United States. Based in San Francisco, with 20,000 employees, the company delivers some of the nation’s cleanest energy to 15 million people in northern and central California. For more information, visit www.pge.com/about/newsroom/ or www.pgecurrents.com.

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