Parnaiba III Substation is a 500kV substation located in Parnaiba, Piaui, Brazil.
The Parnaiba III Substation project’s construction is expected to begin in 2025. The works are expected to be commissioned in 2027.
Parnaiba III Substation project, which is an upgrade substation, will be operated by Operador Nacional do Sistema Eletrico.
The designed voltage level of the substation is 500/230kV and the operating voltage level is 500/230kV.
The step-in voltage of the project is 500kV and the step-out voltage is 230kV. Upon completion, the substation will have a capacity of 600MVA.
Parnaiba III Substation project development status
The project is expected to be commissioned in 2027.
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.