Summary: Revises Tariff WN U-29, Sheet 191 to use the Company's Tariff rider mechanism to match future revenue with budgeted expenditures. The estimated annual revenue change associated with this filing is a decrease of approximately $1.7 million for natural gas Schedule 191, or a decrease of 1.1 percent in overall billed rates to be effective April 01, 2017. The proposed rate will have an average monthly bill reduction to residential natural gas customers using 66 therms of a $0.72 decrease to their bill.