Solar PV Analysis of Rajkot, India
Rajkot, Gujarat, India is a good location for generating solar energy all year round due to its tropical climate. This means it has sunlight consistently throughout the year, making it suitable for solar power generation. The amount of electricity produced from each kilowatt of installed solar varies by season but remains relatively high throughout the year: 5.43 kWh/day in summer, 4.92 kWh/day in autumn, 5.08 kWh/day in winter and 7.37 kWh/day in spring.
The best time to generate solar power at this location would be during spring when the output reaches a peak of 7.37 kWh per day per kW installed capacity.
For an optimal setup at this location, panels should be fixed at an angle facing 21 degrees South to maximise total yearly production from your solar set up.
However, there could be some local factors that might affect the efficiency of your solar system such as weather conditions or environmental issues like dust and pollution which can cover panels reducing their effectiveness.
To combat these potential problems you could consider regular cleaning and maintenance schedules to keep your panels working optimally or even use self-cleaning technology if available and affordable for you. Also ensuring that no large trees or buildings cast shadows on your panels will help maintain maximum exposure to sunlight which is crucial for efficient energy production.
In conclusion, Rajkot appears to be a very suitable place for installing a photovoltaic system with good annual output levels thanks to its consistent sunlight availability throughout most parts of the year; just remember that maintaining clean panel surfaces will help ensure optimal performance.
Note: The Tropics are located between 23.5° North and -23.5° South of the equator.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 422 locations across India. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in India by location
Solar output per kW of installed solar PV by season in Rajkot
Seasonal solar PV output for Latitude: 22.2904, Longitude: 70.7915 (Rajkot, India), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:
Ideally tilt fixed solar panels 21° South in Rajkot, India
To maximize your solar PV system's energy output in Rajkot, India (Lat/Long 22.2904, 70.7915) throughout the year, you should tilt your panels at an angle of 21° South for fixed panel installations.
As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.
We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.
Seasonally adjusted solar panel tilt angles for Rajkot, India
If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Rajkot, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 21° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 6° South in Summer | 29° South in Autumn | 37° South in Winter | 16° South in Spring |
Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.
This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.
Calculate solar panel row spacing in Rajkot, India
We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Rajkot, India.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - Minimum Spacing:
We add the shadow length to the horizontal space occupied by tilted panels.
This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.
Topography for solar PV around Rajkot, India
Rajkot, India is located in the state of Gujarat and falls under the category of semi-arid topography. The region has a flat terrain with sporadic hills. It experiences a hot climate for most parts of the year, making it suitable for solar PV installations.
The region around Rajkot is primarily agricultural land interspersed with urban settlements. There are also large tracts of unused or barren land that could be potentially used for large-scale solar PV installations.
However, when considering locations for large-scale solar PV installations, factors such as sunlight availability (solar irradiance), land availability and cost, proximity to transmission lines (for grid-connected systems), local regulations and policies should also be taken into account.
Considering these factors:
1) The regions north-west to Rajkot towards Morbi have substantial barren lands which can be utilized effectively without disturbing ecological balance or displacing human settlements.
2) Also areas near Wankaner and Maliya Miyana in north-west direction have good potential due to their geographical location which receives ample sunlight throughout the year.
3) The coastal areas towards Jamnagar are also suitable due to high sun exposure but might require additional infrastructure costs like corrosion-resistant equipment due to proximity to sea.
Please note: An actual feasibility study will need more detailed examination including ground-level surveys and technical studies.
India solar PV Stats as a country
India ranks 5th in the world for cumulative solar PV capacity, with 49,684 total MW's of solar PV installed. This means that 6.50% of India's total energy as a country comes from solar PV (that's 11th in the world). Each year India is generating 36 Watts from solar PV per capita (India ranks 56th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in India?
Yes, there are several incentives for businesses wanting to install solar energy in India. These include:
1. Capital Subsidy: The Ministry of New and Renewable Energy (MNRE) provides a capital subsidy of up to 30% on the cost of installing solar power systems for commercial and industrial establishments.
2. Accelerated Depreciation: Businesses can avail accelerated depreciation benefits under Section 32 of the Income Tax Act, 1961, which allows them to claim tax deductions on investments made in solar projects over a period of five years instead of claiming it all at once.
3. Net Metering: This policy allows businesses to sell excess electricity generated from their rooftop solar system back into the grid at retail rates, thus reducing their electricity bills significantly.
4. Solar Renewable Energy Certificates (SREC): Businesses can earn SRECs by generating renewable energy through their rooftop solar systems and then selling these certificates in the open market or trading platforms like IEX or PXIL at predetermined prices set by state regulatory commissions.
Do you have more up to date information than this on incentives towards solar PV projects in India? Please reach out to us and help us keep this information current. Thanks!
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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 22nd of March 2024
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.
However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.
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Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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