Northern States Power Company (Wisconsin) $100,000,000 First Mortgage Bond Reopening

Hunton & Williams LLP advised Merrill Lynch, Pierce Fenner & Smith Incorporated and J.P. Morgan Securities LLC, as underwriters, on an SEC-registered offering by Northern States Power Company (Wisconsin) (“NSPW”) of $100 million aggregate principal amount of first mortgage bonds due 2024. This offering constituted the reopening of a series of bonds originally issued in June 2014.

NSPW, a Wisconsin corporation incorporated in 1901, is an operating utility primarily engaged in the generation, purchase, transmission, distribution and sale of electricity in portions of northwestern Wisconsin and in the western portion of the Upper Peninsula of Michigan. NSPW also purchases, transports, distributes and sells natural gas to retail customers and transports customer-owned natural gas in the same service territory. As of December 31, 2014, NSPW provided electric utility service to approximately 255,000 customers and natural gas utility service to approximately 110,000 customers. NSPW is a wholly owned subsidiary of Xcel Energy Inc.

The Hunton & Williams LLP team included Pete O’Brien, Christina Kwon and So Yung Kang.