Tata Power's Trombay Unit 5 Resumes Operations, Restores 500 MW Supply

10 Feb 2025 CW Team

Tata Power’s Trombay Unit 5 has resumed power supply to Mumbai. The plant supplies 500 MW of power to the financial capital of India. The supply was discontinued after a fire in the cable vault in September 2024.

The restoration was completed within four months of the placement of the work order. The total capacity of the Tata Power Trombay plant currently stands at 930 MW as of now.

Since 1956, Trombay Plant has been the cornerstone of Mumbai’s power infrastructure, marking a pivotal milestone with the commissioning of the city’s first thermal power station (62.5 MW). Over the following decades (1960–1997), the facility strategically expanded with the addition of eight more units, reinforcing Mumbai’s energy security and has proved extremely useful in the past during power related exigencies. Trombay remains a critical component of Mumbai’s power ecosystem, boasting a total installed capacity of 930 MW and ensuring reliable power supply to a diverse consumer base, spanning bulk and retail segments.

According to Tata Power, In addition to Unit 5, the other units at Trombay, along with company's three legacy hydroelectric power plants (total 447 MW installed capacity) in the region, collectively contribute to the stability and sustainability of Mumbai's power supply. These hydro plants play a vital role in balancing peak demand and supporting clean energy transition, further strengthening Tata Power's diversified energy portfolio.

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