Staff Review Letter Regarding MidAmerican Energy Company's Petition

Strategic Insights -

The Iowa Public Utilities Commission has issued a document reviewing the petition of MidAmerican Energy Company for the extension of an electric transmission line franchise in Woodbury County, Iowa. The review identifies several deficiencies in the petition and exhibits, including exhibit A, exhibit B, and exhibit C. The commission requires MidAmerican Energy Company to verify and correct these deficiencies within 30 days.

Key Takeaways:

  • The Iowa Utilities Commission reviewed the petition of MidAmerican Energy Company for the extension of an electric transmission line franchise in Woodbury County, Iowa.
  • The review identified deficiencies in exhibit A, including the need to verify and remove 255th Street, and to add "Reynolds Creek."
  • Exhibit B had several errors, including the reference to an additional electric transmission line, incorrect township and range designations, and the need to update the label to "Reynolds Creek."
  • Exhibit C had errors in labeling and stranding, as well as the need to update the insulator dimension to "10 feet 3 inches."
  • The commission will conduct a field inspection in accordance with the Iowa Administrative Code 25.
  • The company is required to respond within 30 days of the date of the letter with the information required and any additional questions.

Statistics:

  • The transmission line is 32.14 miles long and is a 345 kV line.
  • The commission has identified 137 specific corrections and revisions needed to be made to the petition and exhibits.
  • The inspection will be conducted at a later date in accordance with 199 Iowa Administrative Code 25.

Sources:

  • Iowa Public Utilities Commission, Staff Review Letter, May 27, 2025, E-21431
  • Larry Preston, Engineer Safety and Engineering Bureau, Iowa Utilities Commission
  • MidAmerican Energy Company, Petition for Extension of an Electric Transmission Line Franchise, E-21431