Summary: Revises Tariff WN U-28, Schedule 91, reflecting changes to electric rates under the conservation rider mechanism from 2016 actual and 2017 budget expenditures. The proposed filing would bring the conservation rider balance to $0 by July 31, 2019. The estimated annual revenue change associated with this filing is an increase of 4.9 million (0.9 percent). A residential customer using approximately 1,000 kWh per month will see a bill increase of $0.79 per month.