Summary: Revisions to Tariff WN U-60, updating the electric base rates and the Allowed Revenue Per Customer in Schedule 142, to reflect a decrease in the federal corporate income tax rate from 35 percent to 21 percent. The overall impact of this filing is a revenue decrease of 72.9 million, or 3.5 percent. The typical residential customer using 900 kWh per month will experience a decrease of $3.89 per month.