Pontiac – Crimson Line is a 345kV overhead line from Pontiac, Michigan, US, to Crimson, Michigan, US.

Construction works on the Pontiac – Crimson Line started in 2020 and the project was commissioned in 2021.


The Pontiac – Crimson Line, which is an overhead line, is being operated by ITC Holdings. The Pontiac – Crimson Line is an upgrade line. The line carries alternating current (AC) through double circuit cable.

Approximately $3.25m was financed by the authorities to undertake the construction works of the project.

Pontiac – Crimson Line project development status

The development of the Pontiac – Crimson Line project was approved by Michigan Public Service Commission in 2020 and the project works were completed in 2021.

About ITC Holdings

ITC Holdings Corp (ITC Holdings), a subsidiary of ITC Investment Holdings Inc, is an independent electricity transmission company . It owns, operates, maintains, and invests in electricity transmission infrastructure. The company provides transmission grid solutions to improve reliability, expand access to markets, allow new generating resources to interconnect to its transmission systems and reduce the cost of supplying energy. The company owns and operates high-voltage electric transmission systems in Lower Peninsula of Michigan and certain portions of Iowa, Kansas, Illinois, Missouri, Minnesota and Oklahoma . It also focuses on developing transmission infrastructure in Wisconsin.


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.