Taipei Rapid Transit Corporation ─ Metro Service

Taipei Metro's operations cover the Taipei Metro system, Maokong Gondola, Taipei Arena, and the Taipei Children's Amusement Park. The primary energy source used across these areas is electricity. In 2025, the Company conducted its own 2024 Organizational Carbon Inventory, with the scope defined as the MRT system, in accordance with ISO 14064-1. The total emissions amounted to 357,345 metric tons of CO₂e, including 31,748 metric tons of CO₂e (Category 1) and 325,597 metric tons of CO₂e (Category 2) emissions. Purchased electricity accounts for approximately 693 million kWh of Taipei Metro's total energy consumption, representing over 90% of overall emissions. Therefore, the 1% increase in total energy use in 2024 was primarily due to the rise in purchased electricity. In 2024, electricity consumption per passenger-kilometer was 0.119 kWh/passenger-kilometer, a 4% decrease compared to the previous year, and also lower than the average of the past three years (0.146 kWh/passenger-kilometer).

Taipei Metro actively responds to energy policies by utilizing asset revitalization and reuse. The Company has converted the rooftops of six depots, parts of station rooftops, and Metro signage lights into solar photovoltaic plants in cooperation with energy enterprises, providing a stable supply of green energy. A portion of the generated electricity is used by the stations, while the vast majority (over 99%) is sold to Taiwan Power Company, helping to alleviate electricity demand pressure and contributing to the reduction of carbon emissions per kilowatt-hour. In 2024, Taipei Metro generated 18.513 million kWh of electricity, of which 46,000 kWh was used internally (including lighting, station operations, and affiliated businesses). This amount of electricity is equivalent to supplying approximately 60,000 households with monthly power and reduces annual carbon dioxide emissions by about 8,775 metric tons.