Jakarta Lights-Out Event Cuts 74 Tons of COe on World Ozone Day
Jakarta’s World Ozone Day Lights-Out Drive Saves Energy and Reduces Emissions
Kabarsaji.com – Jakarta’s province-wide lights-out initiative on Saturday, September 19, 2026, delivered measurable energy and climate benefits during a 60-minute observance of World Ozone Day. The coordinated action reduced carbon emissions by 74.23 tons of COe, while electricity consumption fell by 92.79 megawatt-hours.
The event ran from 8:30 p.m. until 9:30 p.m. Western Indonesian Time, with residents, building operators, businesses, and other participants encouraged to switch off lighting and electrical equipment that was not needed. PLN UID Jakarta Raya recorded the reduction in electricity use, which also translated into estimated cost savings of Rp134,271,696.
While one hour may appear modest, the result illustrates how collective decisions across homes, offices, commercial properties, and public spaces can quickly add up. The initiative focused on reducing avoidable electricity demand without compromising safety or essential operations.
Higher Savings Than Earlier Environmental Campaign
The 92.79 MWh reduction was 23.42 percent greater than the savings achieved during a comparable lights-out program held for World Environment Day on June 13, 2020. That earlier activity cut electricity use by 75.18 MWh.
The increase indicates broader participation or stronger conservation efforts during the 2026 event. It also provides a practical reminder that energy-saving measures do not always require major changes in infrastructure. Simple choices, when made simultaneously by many people, can lower overall demand and help reduce emissions linked to electricity consumption.
Dudi Gardesi, head of the Jakarta Environmental Agency, said the campaign was intended to turn environmental concern into an everyday practice rather than a one-off symbolic gesture.
This one-hour initiative reminds us that environmental awareness can be put into practice through our daily habits,
Gardesi said in a statement on Sunday.
Everyday Choices Can Extend the Impact
The lights-out activity was designed to encourage habits that residents can continue after the event. Households can make use of daylight when it is available, turn off lights in rooms that are empty, and avoid leaving appliances operating when they are no longer required. Air conditioning units and electronic devices can also be switched off after use rather than left running unnecessarily.
These steps are straightforward, but consistency is central to their value. Electricity conservation becomes more meaningful when it is incorporated into ordinary routines at home, in workplaces, and at commercial premises. Reducing wasted use can support lower energy demand while helping people become more aware of how their daily choices affect consumption.
Turning off unnecessary lights and using electrical appliances only as needed are simple steps we can all take together. If done consistently, the benefits will continue to grow,
Gardesi said.
For office buildings, retail spaces, and other businesses, the same principle involves matching power use with real operating needs. Managers are encouraged to set electricity use around business hours and occupancy while continuing to prioritize the comfort and safety of employees, visitors, and customers. This can include reviewing lighting in unused areas and ensuring equipment is not operating beyond the period it is needed.
A Shared Conservation Effort
Jakarta’s Environmental Agency praised the public, business owners, building managers, and other groups that took part in the September 19 action. Their involvement enabled the event to produce a documented reduction in electricity demand and carbon emissions over a limited period.
The observance took place in connection with World Ozone Day, providing an opportunity to link environmental awareness with practical energy conservation. The campaign’s results show that participation from many parts of the city can create a significant combined effect, even when each participant takes only a few modest actions.
Gardesi expressed hope that the commitment shown during the lights-out period will continue to expand and encourage more Jakarta residents to participate in future conservation efforts. Sustained participation matters because the benefits of saving energy grow when the behavior continues beyond a single campaign night.
The 74.23 tons of COe avoided during the event, together with the Rp134,271,696 in estimated savings, gives residents and organizations a tangible picture of what coordinated conservation can achieve. The figures also reinforce the value of paying attention to routine electricity use: lights left on in unoccupied spaces, cooling systems operating after hours, and devices remaining powered when unused can all be reconsidered.
Jakarta’s one-hour lights-out program therefore carried a broader message for daily life. Environmental action can begin with ordinary decisions about when to use electricity, how long to keep equipment running, and whether power is being used for a genuine need. When those decisions are shared across a city, their collective effect can be substantial.
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