Mariani Substation is a 400kV substation located in Mariani, Assam, India.
The Mariani Substation project’s construction has begun in 2019. The works are expected to be commissioned in 2021.
Mariani Substation project, which is an upgrade substation, will be operated by Power Grid Corporation of India.
The designed voltage level of the substation is 400/220kV and the operating voltage level is 400/220kV.
The step-in voltage of the project is 400kV and the step-out voltage is 220kV. Upon completion, the substation will have a capacity of 1000MVA.
Mariani Substation project development status
The development of the Mariani Substation project was approved by Assam Electricity Regulatory Commission in 2019. The project is expected to be commissioned in 2021.
About Power Grid Corporation of India
Power Grid Corporation of India Ltd (Powergrid) a government owned Maharatna company, is an electricity transmission utility. It transmits and distributes electricity. The company owns and operates a network of transmission lines and carries out power transmission projects. Powergrid offers operations and maintenance services for transmission systems, consultancy services, smart grid and telecom services. It employs optical ground wire on power transmission lines to operate overhead optic fibre network and incorporates multifarious topology and environment technology to plan, coordinate and deploy transmission networks in India. The company serves customers in South Asia and Oceania.
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.