Celebrating 21st June Solar Energy Day – A Bright Step Towards a Greener Future!

India is lighting up with clean energy as at the many places all over country celebrates Solar Energy Day every year on June 21st or 22nd, initiative led by the Solar Energy Society of India (SESI)—India’s apex body in the solar sector since 1978. This unique celebration is aligned with the Summer Solstice, the longest day and shortest night of the year, symbolizing the maximum availability of solar power in a single day.

What is Solar Energy Day?

Solar Energy Day is more than just a date on the calendar. It is a nationwide movement started in 2023 with a vision to spread awareness about the importance, accessibility  and benefits of solar energy in our daily lives. This initiative, led by Mr. Prafulla Pathak, President of SESI, calls upon every citizen—whether an individual, an institution, or an industry—to participate in this green revolution.

“You don’t have to be a part of the solar industry to celebrate Solar Energy Day. You just have to be someone who is under sun and cares about a cleaner, greener tomorrow.” – Mr. Prafulla Pathak

Why June 21st/22nd?

The Summer Solstice marks the longest duration of sunlight in the year. What better day to honor the sun’s energy than when it’s at its peak? On this day, the solar power potential is available for longest duration in a day making it a perfect symbolic occasion to inspire the nation toward adopting renewable energy.

A Call for Collective Participation

For Individuals: Small Steps, Big Impact

Solar energy isn’t just for large-scale projects. Every person can adopt small, affordable solar solutions at home:

• Solar mobile chargers and fans and other home appliances on solar power
• Solar cookers and heating systems
• Rooftop solar panels for household use
• Solar-powered garden lights and street lamps

These everyday solutions reduce electricity bills and help shift away from fossil fuels. This is your first personal step towards climate change action.

For Institutions: Inspire, Implement, Innovate

Schools, colleges, government bodies and community organizations are encouraged to:

• Launch solar initiatives in campus
• Encourage students to design solar-powered models
• Conduct seminars, workshops and exhibitions
• Interaction or exposure to the faculty and students for latest happening in solar sector
• Install rooftop solar units in buildings

Solar Energy Day is the ideal time for institutions to start or scale their green journey, while educating their community about long-term benefits and financial incentives and affordable economics of solar energy.

For Industries: Be the Change-Makers

Industries have the power to make a massive shift by:

• Using solar panels for office buildings, warehouses, and manufacturing units
• Switching to solar streetlights within industry and industrial parks
• Hosting innovation challenges or CSR drives on solar awareness
• Reducing carbon footprints with long-term green policies

If anyone needs assistance with any of the above, they can connect with or seek support from SESI.

Let’s Talk Action Plans

Solar Energy Day is not just a celebration—it’s a launchpad for change. SESI recommends that every participating group should:

• Reflect: What haven’t we done yet in the solar space?
• Plan: What can we adopt within the next month?
• Commit: What should we aim to achieve by next year’s Solar Energy Day?

Nominate a leader or team within your community, office, or institution to monitor the progress of these initiatives. This day can spark continuous action rather than a one-time event.

Solar for All – Clean, Independent, and Affordable

Solar power is clean, abundant, renewable, and increasingly affordable. With government support, incentives, and advancing technology, there’s no better time than now to start your solar journey.

From remote villages to bustling metros, every Indian can harness this natural gift and become an agent of change.

How You Can Celebrate Solar Energy Day

• Host awareness sessions or solar product demos
• Take a solar pledge with your family or team
• Share your solar journey on social media using hashtags like
• #SolarEnergyDay #CleanEnergyIndia
• Visit SESI’s resources or associate with SESI in arranging event around you
• Gift a solar-powered device to your loved ones, friends or relatives

About SESI 

The Solar Energy Society of India (SESI), established in 1978, is the country’s leading body committed to promoting solar energy through education, policy engagement, and national-level initiatives. Affiliated with the International Solar Energy Society (ISES), SESI continues to guide India’s transition toward a sustainable and energy-secure future.

This Solar Energy Day, be a part of India’s clean energy revolution. One ray at a time, let’s power our planet with purpose.

Anyone who wishes to participate in or contribute to Solar Energy Day can connect with SESI via WhatsApp at +91 9355155775 or email at info@sesi.in