Summary: Revises Tariff No. WN U-29, Sheets 150 and 155, to pass through changes in the estimated cost of natural gas for the forthcoming year and revise the amortization rate to refund or collect the balance of deferred natural gas commodity and demand costs. The impact of this filing on a residential customer with monthly average consumption of 65 therms is a decrease of $2.78 per month or 4.8 percent, for a proposed bill of $54.55 versus a current bill of $57.33.