Summary: Revises Tariff WN U-29, Annual Purchased Gas Cost Adjustment (PGA), to reflect changes in the estimated cost of natural gas cost for the forthcoming year (Schedule 150) and to revise the amortization rate for the deferral balance (Schedule 155). The revised rates represent an overall revenue reduction of $0.2 million (or 0.1 percent). An average residential customer using 66 therms per month would see a bill decrease of $0.08.