Jakarta's 1-Hour Blackout Cuts Carbon Emissions by 74.23 Tons for World Ozone Day

JAKARTA - The 60-minute blackout action in commemoration of World Ozone Day on Saturday (19/9) managed to reduce carbon emissions by 74.23 tons of CO₂e in the DKI Jakarta Province area. Based on the recapitulation of PLN UID Jakarta Raya, the simultaneous power outage action which took place at 20.30-21.30 WIB also saved electricity consumption by 92.79 megawatt-hours (MWh). Head of the DKI Jakarta Environment Service, Dudi Gardesi, said that the electricity savings were equivalent to savings in electricity costs of around Rp134.27 million. "This one-hour action reminds us that concern for the environment can be realized through daily habits," Dudi said in a press statement on Sunday. According to Dudi, the achievement of electricity savings in this lighting blackout action increased by 23.42 percent compared to similar actions in commemoration of World Environment Day on June 13, 2026. In the previous action, electricity savings were recorded at 75.18 MWh. Meanwhile, in the 19 September 2026 light blackout action, savings reached 92.79 MWh. Encourage the habit of saving energy. Dudi said that the achievement of energy savings and carbon emission reduction can be an incentive to build sustainable energy-saving habits. He invited the public to contribute to energy savings and carbon emission reduction by using electricity more wisely, both at home, at work, and at businesses. "Turning off unnecessary lights and using electrical equipment according to needs is a simple step we can take together. If it is carried out consistently, the benefits can continue to increase," he said. Dudi also appreciated the community, building managers, business actors, and all parties who participated in the simultaneous blackout. He hopes that concern for energy savings and carbon emission reduction will continue to grow so that more residents will participate in the environmentally friendly movement. Residents are asked to use electricity wisely. In addition to through the action of turning off the lights, the public can save energy through simple habits in daily life. Residents are invited to make use of natural light during the day, turn off the lights in unused rooms, and turn off air conditioners and electronic devices after use. Meanwhile, building and business owners are encouraged to regulate the use of electricity according to needs and operational hours while still paying attention to comfort and safety. This effort is expected to become a common habit to reduce energy consumption while supporting carbon emission reduction in Jakarta.