V O Chidambaranar Port Authority in Thoothukudi has achieved a major sustainability milestone after becoming India’s first major port recognised as Scope-2 emission-free.

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• V O Chidambaranar Port Authority in Thoothukudi became India’s first major port recognised as a Scope-2 emission-free port.
• The port also became the first in India to receive ISO 50001:2018 certification for its Energy Management System from Bureau Veritas.
• Renewable energy accounted for 93.89% of the port’s total electricity consumption during the financial year 2025-26.
• The energy management system covers cargo-handling equipment, lighting, buildings, pumps, workshops, energy monitoring, preventive maintenance and renewable energy systems.
• The port currently operates 1.04 MW rooftop solar, 6 MW ground-mounted solar and 2 MW wind power generation capacity.
• Additional projects include a 2 MW solar plant, an 8 MW wind farm with 5-MWh battery storage and a 9 MW wind farm.
• The port has established a Green Hydrogen Hub with a 10 Nm³/hr pilot project and is developing a 3 MW green hydrogen plant.
• It is also developing a green methanol bunkering and refuelling facility featuring two storage tanks with 750-cubic-metre capacity each.