Sun Hours and Solar Potential in Mumbai, India
Solar Overview
Annual solar irradiation in Mumbai totals approximately 2,139 sun hours, peaking during May. Positioned at 19.08° latitude, Mumbai experiences virtually uniform solar production across all months. Solar systems in Mumbai can perform adequately, though longer payback periods compared to higher-irradiation locations should be expected.
Geographic Impact
Located at 19.0760° latitude and 72.8777° longitude, Mumbai's geographical position significantly impacts its solar potential. The tropical latitude provides exceptional solar geometry with virtually no seasonal variation, allowing for optimized flat or low-angle panel installations.
Rating Methodology
Mumbai receives a "Average" rating for solar potential, derived from comprehensive analysis of 2,139 annual sun hours, 28.4°C average temperature, and geographic factors. Temperature-related efficiency reductions are typical for this climate but don't significantly impact the strong economic case for solar energy. Mumbai's solar conditions enable systems to generate 1,000-1,200 kWh per installed kW annually, supporting meaningful energy bill reductions.
Understanding the Data
The graph below demonstrates seasonal solar production patterns in Mumbai. Solar output is well-distributed across all seasons, reaching its maximum during May. This seasonal pattern is typical for locations at this latitude and influences the sizing and economics of solar installations.
💡 Recommendation: Adequate ventilation beneath panels helps maintain efficiency during warm weather periods.
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