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AEML awards HVDC project contract to Hitachi Energy in India [free access]

July 22, 2022

India-based Adani Electricity Mumbai Limited (AEML), a subsidiary of Adani Group, has awarded a contract to provide high-voltage direct current (HVDC) transmission system to Hitachi Energy India, a subsidiary of Japanese Hitachi Energy, for the Kudus–Aarey HVDC link project in Mumbai, Maharashtra. The link has been identified as a critical bulk power injection scheme for the state, and will act as a virtual generating station.


The project involves the development an 80-km, ±320 kV monopole, 1,000 MW HVDC link between the 400 kV Kudus extra high voltage (EHV) substation in Palghar [owned by Maharashtra State Electricity Transmission Company Limited (MSETCL)] and 220 kV Aarey EHV substation in Goregaon East (owned by AEML) in the state of Maharashtra. It includes 30 km of HVDC overhead line and 50 km of HVDC underground cable, which will be interconnected at a transition station near Shirsad (around 50 km from Aarey).


The project also includes a 400 kV bay extension with gas-insulated switchgear (GIS) at the Kudus substation; HVDC voltage source converter (VSC)-based convertor stations near the Kudus substation; HVDC VSC-based convertor station near the Aarey substation; and a 220 kV GIS bus extension from the HVDC Aarey converter station to the existing Aarey substation.


The project has received all the necessary approvals from the Maharashtra Electricity Regulatory Commission (MERC), and has achieved financial closure. It is expected to be completed over the next three years, by 2026.