A Port Angeles man damaged four houses after he drove his bulldozer through them.
The Clallam County Sheriff's Office said the man was "irate with neighbors."
A major power outage was caused after Bonneville Power Administration lines were tripped.
Thousands of customers are without power from east Port Angeles to Sequim, according to Mike Howe of the Clallam County Public Utilities District.
The incident took place at Baker and Highway 101. The suspect is in custody.