Electric Transmission Line Details for Pocahontas County, Iowa

The Iowa Public Utilities Commission has provided detailed specifications for an electric transmission line in Pocahontas County, Iowa. The 69,000 Volt line spans approximately 4.49 miles, connecting the Corn Belt Power Cooperative Dover substation in Pocahontas County to the Corn Belt Power Cooperative Storm Lake substation in Buena Vista County. The line passes through various sections, crossing public roads, including County Highway N28/130th Avenue, 120th Avenue, and 110th Avenue.

Key Takeaways:

• The transmission line has a nominal voltage of 69,000 Volts and a maximum voltage of 72,500 Volts.
• The east endpoint of the line is located in the Northeast Quarter of Section 15, T-91N, R-34W of the 5th P.M., Pocahontas County, Iowa.
• The west endpoint of the line is located in the Northwest Quarter of Section 16, T-91N, R-37W of the 5th P.M., Buena Vista County, Iowa.
• The line crosses the Pocahontas-Buena Vista County line at the center of 100th Avenue/250th Avenue.
• The total distance of the line is approximately 4.49 miles.
• The line passes through various sections, including Sections 15, 16, 17, and 18, T-91N, R-34W.
• The line crosses public roads, including County Highway N28/130th Avenue, 120th Avenue, and 110th Avenue.
• The Corn Belt Power Cooperative Dover substation is the east terminus of the line.
• The Corn Belt Power Cooperative Storm Lake substation is the west terminus of the line.

Statistics:

• Voltage: 69,000 V (nominal), 72,500 V (maximum)
• Line length: approximately 4.49 miles
• Crossings: County Highway N28/130th Avenue, 120th Avenue, and 110th Avenue
• Connection points:

+ East: Corn Belt Power Cooperative Dover substation

+ West: Corn Belt Power Cooperative Storm Lake substation

Sources:

• [1] Iowa Public Utilities Commission, EXHIBIT A 69,000 Volts Nominal (72,500 Volts Maximum) Electric Transmission Lines Pocahontas County, Iowa (May 20, 2025), E-21440.