Summary: Revises Tariff WN U-29, Schedule 191, reflecting changes to rates under the gas conservation rider mechanism from 2017 actual and 2018 budget expenditures. The proposed filing increases rates by $1 million or 1.0 percent, bringing the forecasted tariff balance close to $0 by July 31, 2020. If allowed to go into effect, the average gas residential customer would see a monthly bill increase of $0.52.