The Grays Harbor Public Utility District is notifying customers in downtown Aberdeen of a planned power outage impacting two city blocks beginning at 10 p.m. Thursday, June 17.

The outage is expected to last until 4 a.m. Friday, June 18, and will affect 20 customers in the two blocks between Wishkah and Heron streets, and Jefferson and L streets. All impacted customers will receive notification phone calls from the PUD.

The outage is part of a project by the PUD to conduct system maintenance.

Impacted customers are advised to unplug electronic equipment such as computers, televisions and microwaves. Leave them disconnected until after the power has been fully restored.

The outage duration of six hours is an estimate, and power could be restored at any time as work is completed, so it is not safe to do electrical work or repairs during that period, said the PUD statement.