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  1. Market Data
September 7, 2021

Putnam – Cumberland Line, US

By Carmen

Putnam – Cumberland Line is a 500kV overhead line with a length of 185.07km from Putnam, Tennessee, US, to Cumberland, Tennessee, US.

Construction works on the Putnam – Cumberland Line project was commissioned in 2015.


The Putnam – Cumberland Line, which is an overhead line, is being operated by Tennessee Valley Authority. The Putnam – Cumberland Line is an upgrade line. The line carries alternating current (AC) through double circuit cable.

Putnam – Cumberland Line project development status

The development of the Putnam – Cumberland Line project was approved by Tennessee Public Utility Commission and the project works were completed in 2015.

About Tennessee Valley Authority

Tennessee Valley Authority (TVA) is a corporate agency and instrumentality established by federal law. It generates electricity using hydro, nuclear, coal, diesel and solar sources. Under short- and long-term power purchase agreements and spot market purchases, the agency procures electricity from various power producers. TVA manages the Tennessee River system; operates flood control dams and related infrastructure; balances hydroelectric generation with navigation; and carries out flood damage reduction, water quality and supply and recreation.


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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