18/11/2023
The Indian government has launched a star rating program for solar panels. The program rates panels from 1 to 5 stars based on their efficiency. This helps consumers make informed decisions when buying solar panels.
The program is voluntary for the first year, but will become mandatory in the next few years. The labeling fee for each star is ₹0.02 (~$0.00024)/watt. However, the government is waiving labeling fees for 4 and 5-star panels until December 31, 2025.
Here's some information about the star ratings: 1-Star, 2-Star, 4-Star, 5-Star.
On a 10 square-meter roof, a 2-Star panel generates about 12% more electricity than a 1-Star panel. A 4-Star or 5-Star panel can generate 29%–35% more electricity than a 1-Star panel.
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