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  1. Market Data
September 15, 2021

Northwestern Iowa – Central Illinois Line, US

By Carmen

Northwestern Iowa – Central Illinois Line is a 500kV overhead line with a length of 1356.67km from Northwestern Iowa, Iowa, US, to Central Illinois, Illinois, US.

The project is expected to be commissioned in 2024.


Northwestern Iowa – Central Illinois Line is an overhead line that will be operated by Duke-American Transmission. The line will carry alternating current (AC) through double circuit cable.

Northwestern Iowa – Central Illinois Line project development status

The construction works on the Northwestern Iowa – Central Illinois Line project will be commenced in 2022 and commissioning is expected in 2024.

About Duke-American Transmission

Duke-American Transmission Co (DATC) is an operator of electric transmission facilities. The company builds, owns and operates electric transmission plants in North America. Its project portfolio includes Path-15, San Luis Transmission project, and Zephyr Power Transmission project. DATC holds 72% of transmission service rights in Path-15 project, which operates 500-kilovolt transmission line in central California. The company’s San Luis Transmission project provides water and electricity for local water agencies and California electric users. Its Zephyr Power Transmission project is a transmission line, which connects Wyoming wind to the Southwestern US.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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