The company provides electricity and natural gas to customers in Colorado, Iowa, Kansas, Minnesota, Missouri, Nebraska and Michigan.
Colorado already has approved Aquila's request to use utility assets as collateral and some other states don't require the company to have that approval.
The company wants to get a lower interest rate on a $430 million loan it got last year. However, the Kansas Corporation Commission said it wasn't in the public interest to approve the request.
Viewers with disabilities can get assistance accessing this station's FCC Public Inspection File by contacting the station with the information listed below. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, 888-835-5322 (TTY), or email@example.com.