Summary: Revises Tariff WN U-3 to recover an increase of deferred commodity gas cost (out of cycle PGA). This increase is associated with a supply interruption due to the Enbridge pipeline explosion on October 9, 2018. The proposed Tariff Schedule 590 will recover approximately $26.8 million. The impact for a typical residential gas customer using 54 therms per month is an increase of $6.07.