Summary: Revises Tariff WN U-29, Schedules 149, 150, and 155, Purchased Gas Cost Adjustment, Gas Rate Adjustment, and Backup and Supplemental Compressed Natural Gas Service, passing through changes in gas cost for the coming year and revising the amortization rate for the deferral balance. The revised rates increase annual revenue by $17.5 million (or 10.6 percent). A residential customer using an average of 66 therms per month would see an increase of $5.81.