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NEW Payment Drop Box now available at our service center

For your convenience, a NEW payment drop box has been installed at our Underhill Service Center at 2915 Hill Avenue, Superior. NOTE: we accept checks or money orders (NO cash payments, please). More payment options at:


SWL&P’s parent company, ALLETE, has entered an agreement to be acquired by a partnership led by Canada Pension Plan Investment Board and Global Infrastructure Partners and start the process to become a private company.

This transaction will not change our operations, strategy or shared purpose and values, and it is business as usual for all of us at SWL&P. Learn more at