Zachary – Maywood Line is a 345kV overhead line with a length of 96.56km from Zachary, Missouri, US, to Maywood, Missouri, US.

The project, which is currently in the planning stage, is expected to be commissioned in 2022.


Zachary – Maywood Line is an overhead line that will be operated by Ameren Missouri. The line will carry alternating current (AC) through single circuit cable.

Approximately $9.8m was financed by the authorities to undertake the construction works of the project.

The development of the Zachary – Maywood Line project has been approved by the Missouri Public Service Commission.

Zachary – Maywood Line project development status

The construction works on the Zachary – Maywood Line project will be commenced in 2021 and commissioning is expected in 2022.

About Ameren Missouri

Ameren Missouri (Ameren Missouri) that designs and builds regional transmission projects. The company is headquartered in St. Louis, Missouri, United States.


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.