Tanuku, Andhra Pradesh, India, located at latitude 16.7577 and longitude 81.6844, presents a favorable environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasons primarily distinguished by wet and dry periods rather than significant temperature variations.
Seasonal Solar Performance
Solar panel efficiency in Tanuku varies across seasons, with spring being the most productive period. During spring, solar installations can generate an impressive 6.76 kWh per day for each kilowatt of installed capacity. Winter follows as the second most productive season, yielding 5.20 kWh/day/kW. Summer performance is slightly lower at 5.12 kWh/day/kW, while autumn sees the lowest output at 4.57 kWh/day/kW.Optimal Panel Positioning
For fixed solar panel installations in Tanuku, Andhra Pradesh, the ideal tilt angle to maximize year-round energy production is 16 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.Environmental Considerations
While Tanuku's climate is generally conducive to solar energy production, there are a few environmental factors to consider: 1. Monsoon season: The region experiences heavy rainfall during the monsoon months, typically from June to September. This can lead to reduced sunlight and potentially impact solar output. 2. Dust accumulation: The dry seasons can result in increased dust in the air, which may settle on solar panels and reduce their efficiency. To mitigate these factors, consider implementing the following measures:Preventative Measures
1. Install a robust mounting system capable of withstanding strong winds during monsoon season. 2. Implement a regular cleaning schedule for solar panels, especially during dry periods, to remove dust buildup. 3. Consider using self-cleaning or hydrophobic coatings on solar panels to reduce dust accumulation and improve water runoff during rainy periods. 4. Install a reliable drainage system around the solar installation to prevent water accumulation during heavy rains. By addressing these environmental factors and optimizing panel placement, solar energy systems in Tanuku can achieve high efficiency and consistent performance throughout the year.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 Tanuku
Seasonal solar PV output for Latitude: 16.7577, Longitude: 81.6844 (Tanuku, 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 16° South in Tanuku, India
To maximize your solar PV system's energy output in Tanuku, India (Lat/Long 16.7577, 81.6844) throughout the year, you should tilt your panels at an angle of 16° 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 Tanuku, 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 Tanuku, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 16° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 1° South in Summer | 22° South in Autumn | 32° South in Winter | 10° 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 Tanuku, 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 Tanuku, 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 Tanuku, India
The topography around Tanuku, India, is characterized by relatively flat terrain with some gentle undulations. This area is part of the fertile coastal plains of Andhra Pradesh, situated near the delta of the Godavari River. The landscape is predominantly composed of agricultural fields, interspersed with small settlements and occasional patches of vegetation.
To the west of Tanuku, the land gradually rises towards the Eastern Ghats mountain range, but this elevation change is not dramatic in the immediate vicinity of the town. The region experiences a tropical climate with hot summers and moderate winters, which is influenced by its proximity to the Bay of Bengal, located approximately 40 kilometers to the southeast.
The flat terrain and abundance of open spaces make several areas near Tanuku potentially suitable for large-scale solar PV installations. The most promising locations would likely be found in the rural areas surrounding the town, particularly to the north and west. These regions tend to have fewer dense settlements and larger tracts of available land that could accommodate solar arrays.
Areas with slightly elevated grounds or gentle slopes facing south would be ideal for maximizing solar exposure throughout the day. Additionally, locations with good road access for construction and maintenance purposes would be preferable. It's important to note that while agricultural land is abundant in this region, careful consideration should be given to balancing solar development with food production needs.
When selecting specific sites for solar PV installations, factors such as proximity to existing electrical infrastructure, avoidance of flood-prone areas near the river delta, and minimal impact on local ecosystems should also be taken into account. Consultation with local authorities and environmental experts would be crucial in identifying the most suitable locations that align with regional development plans and environmental regulations.
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: Sunday 11th of August 2024
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
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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
Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.




