PVGIS · SolarMapped

Solar potential in Mumbai

This estimate represents one coordinate near the city center, not every roof or neighborhood.

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Annual values

Estimated PV output1,525kWh/kWp/year
Solar irradiation2,038kWh/m²/year
Optimal fixed tilt25°Panel direction: South

PV output is estimated electricity from 1 kWp of installed solar panels. Irradiation is sunlight energy received per square meter on the optimally tilted panel plane; it is not electricity.

For a 5 kWp system, multiply the electricity values by five. This simple scaling does not account for roof-specific shading or equipment constraints.

Compared with the sampled-city benchmark: -3.1% (1,574kWh/kWp/year). These figures are the unweighted mean of the city locations listed below, not a national average. Two urban points do not represent an entire country, its roofs or its solar installations.

Monthly solar irradiation and PV output

Highest-output month: March · 162.7kWh/kWp/month. Lowest-output month: July · 69kWh/kWp/month.

Bar lengths compare monthly PV electricity output; exact output and irradiation values are in the table.
Monthly solar irradiation and PV output — Mumbai
MonthEstimated PV output (kWh/kWp/month)Solar irradiation (kWh/m²/month)
January161.5212.5
February150.6201.8
March162.7222.3
April149.3204.9
May137.8187.7
June90.7119.2
July6990.3
August82106.8
September95.8125.5
October133.9179.3
November141.5189.4
December150.2197.9

More cities in India

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Data and methodology

PVGIS 5.3 (European Commission Joint Research Centre), crystalline silicon, fixed free-standing installation, 1 kWp, 14% system losses, equator-facing panels with optimized tilt and the terrain horizon. Long-term climate estimates are not a forecast or a roof survey. Nearby buildings, trees, roof constraints, snow and local conditions can change actual output.

PVGIS methodology · Sources and assumptions (English) · Download the underlying data (JSON)