Itacaiunas – Colinas Line is a 500kV overhead line with a length of 291km from Itacaiunas, Para, Brazil, to Colinas, Sao Paulo, Brazil.

Construction works on the Itacaiunas – Colinas Line started in 2017 and the project was commissioned in 2019.


The Itacaiunas – Colinas Line, which is an overhead line, is being operated by Operador Nacional do Sistema Eletrico. The Itacaiunas – Colinas Line is a new line. The line carries alternating current (AC) through single circuit cable.

Itacaiunas – Colinas Line project development status

in 2017 and the project works were completed in 2019.

About Operador Nacional do Sistema Eletrico

Operador Nacional do Sistema Eletrico (ONS) is a non-profit civil association. The company is engaged in coordinating and monitoring of transmission, generation and distribution of electric power in National Interconnected System (NIS ). It perform its operation under the supervision and regulation of the Electric Energy National Agency (ANEEL). ONS is headquartered in Brazil.


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.