Attingal, Kerala, India, located at 8.6875° N latitude and 76.8265° E longitude, offers a promising environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasonal variations primarily characterized by wet and dry periods rather than significant temperature fluctuations.

Solar Energy Potential

The solar energy output in Attingal demonstrates remarkable consistency across all seasons. Spring emerges as the most productive period, with an impressive 6.26 kWh per day for each kilowatt of installed solar capacity. Winter follows closely behind at 6.06 kWh/day, while summer and autumn yield 5.71 kWh/day and 5.05 kWh/day, respectively. This data indicates that Attingal is an excellent location for year-round solar energy production. The relatively small variation between seasons suggests that solar installations in this area can maintain high efficiency throughout the year, providing a stable and reliable source of renewable energy.

Optimal Panel Tilt

For fixed solar panel installations in Attingal, Kerala, the ideal tilt angle to maximize year-round energy production is 8 degrees facing South. This slight tilt helps optimize the panels' exposure to sunlight throughout the year, taking into account the location's proximity to the equator and the sun's path across the sky.

Environmental Considerations

While Attingal's tropical climate is generally favorable for 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 temporarily reduce solar output due to cloud cover and rain. 2. Humidity: High humidity levels can lead to condensation on solar panels, potentially affecting their efficiency. To mitigate these challenges, solar installations in Attingal should incorporate the following preventative measures: - Use high-quality, weather-resistant solar panels designed to withstand tropical conditions. - Implement proper drainage systems to prevent water accumulation on panels during heavy rainfall. - Regular cleaning and maintenance to remove dust and debris, which can accumulate more quickly in humid environments. - Consider slightly increasing the tilt angle of panels during the monsoon season to facilitate better water runoff. By addressing these factors, solar installations in Attingal can maximize their energy production potential and take full advantage of the location's excellent solar resources 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 Attingal

Seasonal solar PV output for Latitude: 8.6875, Longitude: 76.8265 (Attingal, 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 8° South in Attingal, India

To maximize your solar PV system's energy output in Attingal, India (Lat/Long 8.6875, 76.8265) throughout the year, you should tilt your panels at an angle of 8° 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 Attingal, 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 Attingal, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 8° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
7° North in Summer	14° South in Autumn	24° South in Winter	3° 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 Attingal, 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 Attingal, India.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. 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 Attingal, India

Attingal, located in the southern Indian state of Kerala, is situated in a region characterized by diverse topography. The area around Attingal features a mix of gently rolling hills, coastal plains, and low-lying areas. As you move inland from the nearby Arabian Sea coast, the landscape gradually transitions from flat coastal regions to slightly elevated terrain. The immediate vicinity of Attingal is predominantly flat to mildly undulating, with scattered patches of higher ground. This area is part of the larger Kerala coastal plain, which extends along the western edge of the state. The terrain is interspersed with numerous small rivers, streams, and backwaters that crisscross the landscape, creating a network of waterways typical of Kerala's geography. To the east of Attingal, the land begins to rise more noticeably as it approaches the foothills of the Western Ghats mountain range. This transition zone features more pronounced hills and valleys, with increasing elevation as one moves further eastward. However, the mountains themselves are still some distance away from Attingal.

Suitable Areas for Large-Scale Solar PV

When considering areas near Attingal for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would be those that offer ample sunlight exposure, relatively flat terrain, and minimal environmental impact. The coastal plains to the west and southwest of Attingal present promising opportunities for solar PV development. These areas typically have fewer obstructions to sunlight and provide large, open spaces that could accommodate extensive solar arrays. The flat terrain in these regions would also simplify construction and reduce installation costs. Another potentially suitable area lies in the transitional zone between the coastal plains and the foothills to the east of Attingal. Here, gently sloping hillsides facing south or southwest could offer ideal conditions for solar PV installations. These slightly elevated areas may benefit from reduced humidity and potentially clearer skies compared to the immediate coastal regions. It's important to note that while Kerala receives abundant rainfall, particularly during the monsoon season, the region around Attingal still experiences significant sunshine throughout the year. This makes it a viable location for solar energy production, provided that the installations are designed to withstand periodic heavy rainfall and high humidity. When selecting specific sites for large-scale solar PV projects, careful consideration must be given to local land use patterns, environmental sensitivities, and proximity to existing power infrastructure. Areas of agricultural importance, ecologically sensitive zones, and densely populated regions should be avoided to minimize potential conflicts and environmental impact.

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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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

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.