San Onofre Nuclear Generating Station (SONGS)
Investigation into Closure
October 25, 2012 the CPUC opened an investigation
into the causes and accountability for the outages at the San Onofre Nuclear
Generating Station (SONGS). The decision sets a preliminary schedule that
allows 18 months for the resolution of the investigation.
is a nuclear power plant owned (78.21%) and operated by Southern California
Edison (Edison) serving customers in the greater Los Angeles area including Inyo,
Kern, Kings, Mono, Orange, Santa Barbara, Tulare, Ventura, and San Bernardino
counties. It is co-owned with SDG&E (20%) and the City of Riverside
January 9, 2012, Unit 2 of SONGS was shut down for scheduled maintenance. On
January 31, 2012, Edison also shut down SONGS Unit 3 due to a steam generator
tube leak. Neither SONGS units ever came back online.
April 2014, ORA, Edison, SDG&E, and TURN, filed a comprehensive Settlement
agreement with the CPUC that would prevent the utilities from recovering
the cost of the SONGS defective replacement steam generators from ratepayers.
The estimated benefit to ratepayers on a present value basis, compared with the
utilities’ $4.7 billion original request, is $1.12 billion for Edison
customers and $286 million for SDG&E customers.
and effects of the steam generator failures in order to assess the
reasonableness of utility actions and expenses, and whether customer
refunds are required.
to Edison’s rate base and revenue requirement.
of damage, allocation of responsibility, reasonableness of repair actions.
to Edison’s 2013 revenue requirement.
July 18, 2013, Edison served a formal Notice
of Dispute on Mitsubishi Heavy
Industries, which seeks to hold Mitsubishi accountable for design and
manufacture defects in the SONGS' Replacement Steam Generators.
ORA's August 13, 2012 letter
to CPUC commissioners urging them to remove SONGS from rate base until it comes
ORA’s August 1, 2012 joint stakeholder letter
to CPUC commissioners urging them to open an investigation into the SONGS
outage. ORA co-signed this letter with TURN, Center for Energy Efficiency
and Renewable Technologies, Friends of the Earth, and the Alliance for Nuclear
Nuclear Regulatory Commission SONGS