Summary: Revises Tariff WN U-28, Schedule 75, Decoupling Mechanism – Electric, to amortize balance in the decoupling deferral account. The company requests an increase of its total 2015 electric revenue collections by $3,403,772. If granted, an average residential customer using 957 kWhs will pay $2.52 more per month, from $83.91 to $86.43, or 3 percent increase.