Boardman coal plant offline

Boardman coal plant offline

Portland General Electric's Boardman coal-fired power plant is down for at least a month after a temperature shock July 1 in a 36-inch steam pipe made the pipe fall out, creating a "thermal water hammer."

The company hasn't released cost estimates yet, but the accident comes at a bad time during peak air conditioning season.

PGE operates Boardman and takes 65 percent of its 575 megawatt output, enough low-cost electricity to supply about 250,000 customers.

PGE also owns 20 percent of two units at the Colstrip power plant in Montana, which is the second largest coal plant west of the Mississippi. An unspecified incident at one of the two units on the same day of the Boardman outage knocked out that unit. PacifiCorp also owns 10 percent of the output of the same unit.

Read more at OregonLive.com.

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