(Updates with details, restart plans)
LJUBLJANA Feb 16 Slovenia's sole nuclear power
plant Krsko (NEK) is expected to restart on Friday after
shutting down on Thursday due to a problem with a regulatory
mainstream water valve, NEK said in a statement.
"Diagnostics on the impairment of the valve is under way,
the impairment is expected to be corrected today. Based on the
information we have at present we expect the plant will be
restarted tomorrow," it said, adding there had been no impact on
The plant is stable and all security systems operated well,
spokeswoman Ida Novak Jerele told Reuters.
The plant, which was built in cooperation with U.S. firm
Westinghouse, now part of Japan's Toshiba Corp, started
operating in 1982. It is jointly owned by Slovenia and its
It provides about 25 percent of Slovenia's power and about
20 percent of Croatia's.
Last year the two countries prolonged the plant's lifespan
by 20 years to 2043. Regular maintenance of the plant, which
takes place every 18 months, was completed in November.
(Reporting by Marja Novak; editing by David Goodman and Jason