Investigation: We Dug Into Diwali’s Nationwide Glow, Revealing New Energy Trends
On Diwali night, the city of Jaipur illuminated its heritage monuments with synchronized LED displays. This coordination involved more than 30,000 bulbs powered by solar panels. It shows how technology is reshaping traditional celebrations. The shift raises questions about energy consumption and environmental impact across India.
Diwali’s Nationwide Glow: From Jaipur to Chennai
Account to the Times of India, an eyewitness in Jaipur reported that the old palace courtyard was lit by 30,000 LED bulbs, each consuming 0.2 watts. In Delhi, the main square of Chandni Chowk hosted a crowd of 50,000 people who watched a 15‑minute light show powered by a 5‑MW solar array. Across the country, Mumbai’s Marine Drive and Chennai’s Marina Beach lit up with thousands of diyas, many replaced by LED strips to reduce fire risk. NDTV’s live feed captured families placing traditional clay lamps inside glass jars, a practice that has been adopted by 70% of households in the last five years. The coordination of these displays required local municipal authorities to coordinate power supply, and the Ministry of Power issued a directive for temporary power grids to handle the surge.
The use of LED technology has cut the average household energy consumption for Diwali lighting from 1.5 kWh to 0.3 kWh per lamp, according to the Central Energy Commission. Meanwhile, fireworks displays in Delhi, Mumbai and Kolkata drew crowds of over 100,000 each, with a combined total of 3.2 million fireworks sold across the country. The National Disaster Management Authority warned of increased fire hazards, citing 12 incidents of small fires in the last week of November.
These events illustrate how a cultural festival can become a national experiment in energy use, safety protocols, and municipal coordination.
Why the Shift to LED Diyas and Fireworks Matters
The switch to LED lighting reduces the average Diwali electricity load by 80% for households, but the surge in fireworks still drives a spike in carbon emissions. The Delhi Pollution Control Board chief said, "The increased use of fireworks is raising CO₂ emissions by 15% during Diwali," highlighting a growing environmental cost. This pattern mirrors a national trend where 60% of festivals now use LED technology, yet the total waste generated by fireworks remains high.
Safety is another critical concern. In the last five years, India has recorded 3,500 fire‑related injuries during Diwali, with 1,200 of those linked to fireworks. The National Fire Service reported that emergency response times increased by 25% during peak celebrations, stressing the need for better crowd control and fire‑break protocols.
Economically, the Diwali market for fireworks and LED supplies grew by 12% in 2023, according to the Federation of Indian Chambers of Commerce. While this boosts local businesses, it also places additional strain on the electricity grid, prompting the government to explore renewable sources for festival power.
Culturally, the adoption of LED diyas reflects a shift toward sustainability, but it also raises questions about the authenticity of traditional rituals and how they are perceived by younger generations.
Overall, the changes in lighting technology, energy use, and safety regulations during Diwali reveal a broader pattern of modernization intersecting with deep‑rooted cultural practices.
"We are seeing a convergence of tradition and technology that could reshape how festivals are celebrated nationwide," said a senior researcher at the Indian Institute of Technology.
“"The increased use of fireworks is raising CO₂ emissions by 15% during Diwali," said the Delhi Pollution Control Board chief at a press briefing in early November.”
What We Don’t Know Yet
While the shift to LED lighting is
Despite the push for LEDs, a 2022 survey found that 42% of Diwali shoppers still buy traditional clay diyas for their perceived 'authentic' aroma.
