Solar Data for Kolkata, India
Solar Overview
Kolkata enjoys a tropical climate with a decent average of 1822 sun hours per year, making it a viable location for solar energy production.
Geographic Impact
The city's latitude of 22.5726° places it in a favorable position for harnessing solar energy, particularly during the peak sun months of March, April, and May.
Rating Methodology
Kolkata's solar potential is rated as average, indicating that while solar energy generation is possible, it may not be as optimal as in regions with higher ratings.
Understanding the Data
The data presented in the solar chart reflects the average annual sun hours, illustrating the potential solar energy each month can provide for installations throughout the year.
Cost & Savings Outlook
Solar energy can help offset electricity costs over time, depending on individual usage and local energy prices.
How It Compares
Compared to comparison cities, Kolkata has a solar potential rating that is on par with Mumbai, while Pune enjoys a better rating.
Installation Considerations
For optimal solar panel performance in Kolkata's tropical climate, a tilt angle that adjusts for seasonal sun position should be considered. Additionally, the system layout should account for potential shading from nearby structures or vegetation, especially during the monsoon season.
Local Incentives
Check local and national incentive programs, which vary by country and region.
Compare Solar Potential in India
Kolkata experiences seasonal variations, with significant sunlight during the warmer months, notably in March, April, and May, which can enhance solar production during these periods.
Temperatures in Kolkata can influence solar panel efficiency, as higher temperatures may reduce output. It is important to install systems that appropriately accommodate local climate conditions.
Frequently Asked Questions
What is the average annual sun hours in Kolkata?
Kolkata receives approximately 1822 sun hours annually.
Which months have the highest solar potential in Kolkata?
The peak sun months in Kolkata are March, April, and May.
What is the average temperature in Kolkata?
The average temperature in Kolkata is around 27.39°C.
How does Kolkata's solar potential compare to Mumbai and Pune?
Kolkata has an average solar potential rating, similar to Mumbai, while Pune has a good rating.
What factors should be considered for solar installation in Kolkata?
It is important to consider the tilt angle of solar panels and potential shading from buildings or trees due to Kolkata's tropical climate.
Solar Resource & Estimated Production
Irradiance data for Kolkata hasn't been processed yet — check back soon.
Recommended Panel Orientation
Tilt angle: 23° from horizontal
Azimuth: 180° (true South)
Standard year-round heuristic based on latitude — a professional installer can optimize further for your roof.
Monthly Daylight Hours
Jan
10.8h
Feb
11.2h
Mar
11.8h
Apr
12.5h
May
13.1h
Jun
13.4h
Jul
13.3h
Aug
12.8h
Sep
12.1h
Oct
11.5h
Nov
10.9h
Dec
10.6h
Location Map
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