The 1,000 MW high-voltage direct current (HVDC) transmission link between Kudus and Aarey has been commissioned by Adani Electricity Mumbai Infrastructure Ltd (AEMIL), a subsidiary of Adani Energy Solutions Ltd (AESL). This marks a significant improvement to the power infrastructure in Mumbai and the Mumbai Metropolitan Region (MMR).
This project is designed to work within the limitations of a highly populated urban area and consists of a 30-kilometer overhead line and a 50-kilometer underground corridor. It also features what the company describes as the world’s first compact HVDC substation, underscoring technological innovation in urban power transmission.
The idea for the project came from the 2020 Mumbai power outage, which revealed weaknesses in the city’s grid. Its goal is to make the system more reliable and resilient. The new link enables Mumbai to draw higher volumes of electricity from external sources, including renewable energy, while improving control and efficiency of power flows.
In one of India’s most energy-intensive metropolitan clusters, the additional 1,000 MW capacity is anticipated to alleviate network congestion, decrease the likelihood of large-scale outages, and reduce reliance on in-city generation.
The system’s construction makes use of HVDC technology based on Voltage Source Converters (VSCs), which improve grid dependability, stability, and the ability to precisely control power flows. Key operational benefits include dynamic voltage support, lower transmission losses over long distances, and black-start capability, enabling faster restoration of power during outages.
In order to meet increasing demand and decarbonisation targets, the Kudus-Aarey connection is anticipated to be an essential component in Mumbai’s grid for long-distance renewable energy. It is one of the biggest urban HVDC infeeds in the world.
According to AESL CEO Kandarp Patel, the project represents a significant step toward building a modern, resilient, and clean energy ecosystem for Mumbai, enhancing grid stability while enabling large-scale renewable integration.
Image Credit: Financial Express
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