International Day of Clean Energy 2026

History & origins

On 25 August 2023, the UN General Assembly adopted a resolution (commonly cited as A/RES/77/327) proclaiming 26 January as the International Day of Clean Energy. The date matches the founding anniversary of the International Renewable Energy Agency (IRENA), established in 2009 to support countries’ energy transitions with data, policy cooperation, and analysis. IRENA welcomed the resolution as recognition of renewables-based transition work. UN materials frame the day as raising awareness and mobilizing action for a just and inclusive clean-energy transition for people and the planet. The first International Day of Clean Energy was observed in 2024. It is a UN international day, not a U.S. federal holiday.

“Clean energy” in UN and IRENA conversations usually points toward renewable and low-emission pathways — solar, wind, and related systems — while also stressing access, affordability, and fairness. Exact technology mixes differ by country. This page does not treat any single product brand as the definition of clean energy.

The day sits in late January, when many households are thinking about heating bills and winter power reliability. That timing is useful for practical conversation: what energy you use, who lacks reliable access, and which local programs actually exist — without turning the observance into a sales pitch.

Why it matters

Energy access shapes clinics, schools, and kitchens as much as it shapes climate charts. A UN date is a chance to talk about both carbon and fairness — who can afford a heat pump, who still lacks a dependable light after dark — in plain language.

How to celebrate

Check your utility or city site for real efficiency rebates before buying anything. Compare one household habit: LED swaps, weatherstripping, or a smart thermostat if you already have compatible gear. Read a short IRENA or UN clean-energy explainer instead of a viral “miracle device” post. If you rent, ask what the building already allows — window film and draft stoppers often beat unauthorized wiring. Support a community solar or transit conversation if one exists near you. Talk with kids about where electricity comes from in your region. Skip any claim that one January post will finish the energy transition.

Facts

• The UN General Assembly proclaimed 26 January the International Day of Clean Energy in 2023 (A/RES/77/327)
• January 26 is also the founding anniversary of IRENA (2009)
• The first UN observance was in 2024
• UN framing emphasizes a just and inclusive clean-energy transition, not a single consumer product
• The day is a UN international observance, not a U.S. federal holiday

Upcoming dates

• Monday, January 26, 2026
• Tuesday, January 26, 2027
• Wednesday, January 26, 2028
• Friday, January 26, 2029
• Saturday, January 26, 2030