energy efficiency

Energy conservation and efficiency are critical issues requiring attention, as energy consumption is a major cause of environmental degradation. Given that the planet’s energy supplies (oil, coal and gas) are finite, we need to find cost effective ways to reduce energy consumption and environmental damage by developing sustainable energy consumption practices for the future.

Airports use electricity for lighting in the buildings and outdoor areas, as well as for cooling and ventilation of internal spaces. Together with the fuel used in airport vehicles and aircraft support equipment, these constitute some of the major energy usage at airports. Most energy sources produce carbon emissions and can be notable contributors to an airport operator’s greenhouse gas (GHG) inventory.

Changi Airport’s Initiatives
To improve energy efficiency, some of the initiatives that Changi Airport Group has implemented include:

• Using energy efficient lighting and installing motion sensors throughout the airport.
• Using natural lighting in passenger areas where possible.  Double glazed glass and solar shading devices let natural light into the building while minimizing heat gained from sunlight.  This reduces the need for artificial lighting and air conditioning.
• Shutting down of escalators and travellators during off peak hours at night.
• Switching off peripheral lighting during day time.
• Seeking the best energy-efficient options when replacing our assets and equipment. 
• Installing a 250kWp photovoltaic system to the Budget Terminal.  These solar panel modules cover a rooftop area of about 2,500m² and are expected to generate over 280,000kWh/year. Carbon Emissions are reduced by approximately 122,000kg of CO2 per year.