Panoor, Kerala, India, situated at 11.7686° N latitude and 75.5954° E longitude, offers a favorable environment for solar energy generation throughout the year. Located in the tropics, this region experiences consistent sunlight and is characterized by wet and dry seasons rather than traditional four-season cycles.

Seasonal Solar Performance

Solar PV installations in Panoor demonstrate robust energy production across all seasons. Spring stands out as the most productive period, with an impressive daily output of 6.26 kWh per kW of installed capacity. Winter follows closely behind at 6.05 kWh/day. Summer and autumn show slightly lower but still significant outputs at 4.92 kWh/day and 4.89 kWh/day, respectively.

The relatively consistent performance across seasons indicates that Panoor is an excellent location for year-round solar energy generation. The higher outputs in spring and winter suggest these seasons are particularly advantageous for solar production, likely due to clearer skies and optimal sun angles.

Optimal Panel Tilt

For fixed solar panel installations in Panoor, Kerala, the ideal tilt angle to maximize year-round energy production is 12 degrees facing South. This angle has been calculated considering daily solar elevation angles, optimal panel tilt, and weighted by daily PV potential using NASA's solar irradiance data.

Environmental Considerations

While Panoor's tropical location is generally favorable for solar energy, there are some environmental factors to consider:

1. Monsoon season: Heavy rainfall during the monsoon months may temporarily reduce solar output due to cloud cover.
2. Dust accumulation: The dry season can lead to dust buildup on panels, potentially decreasing efficiency.

To mitigate these issues, consider implementing regular cleaning schedules for the panels, especially during and after the dry season. Installing panels at the recommended 12-degree tilt can also help with natural cleaning during rainfall. Additionally, using high-quality, weather-resistant panels and mounting systems can ensure durability against the tropical climate's challenges.

Overall, Panoor's location presents an excellent opportunity for solar PV installations, with consistent year-round production and only minor environmental challenges that can be effectively managed with proper planning and maintenance.

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 Panoor

Seasonal solar PV output for Latitude: 11.7686, Longitude: 75.5954 (Panoor, 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 12° South in Panoor, India

To maximize your solar PV system's energy output in Panoor, India (Lat/Long 11.7686, 75.5954) throughout the year, you should tilt your panels at an angle of 12° 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 Panoor, 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 Panoor, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 12° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
4° North in Summer	17° South in Autumn	27° South in Winter	6° 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 Panoor, 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 Panoor, 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 Panoor, India

The topography around Panoor, India, located at latitude 11.7686 and longitude 75.5954, is characterized by a diverse landscape that reflects the region's proximity to the Western Ghats mountain range and the Arabian Sea. This area in the northern part of Kerala state features a mix of gently rolling hills, fertile plains, and coastal lowlands. Moving inland from the coast, the terrain gradually rises, transitioning from flat coastal areas to undulating hills. These hills become more pronounced as one travels eastward, eventually giving way to the foothills of the Western Ghats. The region is crisscrossed by numerous rivers and streams that flow westward from the mountains towards the sea, creating lush valleys and alluvial plains along their paths. The area surrounding Panoor is known for its rich vegetation, including dense forests, plantations, and agricultural lands. Coconut groves and paddy fields are common sights in the lower elevations, while the higher areas may feature spice plantations and mixed forests.

Suitable Areas for Large-Scale Solar PV

When considering locations for large-scale solar photovoltaic (PV) installations near Panoor, several factors come into play. The most suitable areas would generally be: Coastal plains: The relatively flat terrain near the coast offers ample space and unobstructed sunlight for solar panels. These areas typically have fewer shadows from hills or tall vegetation, maximizing solar exposure throughout the day. Cleared agricultural lands: Some agricultural areas that are less productive or have been left fallow could be repurposed for solar farms. These locations often have good road access and are already cleared of dense vegetation. Gently sloping hillsides: While steeper slopes may be challenging, some of the gentler hillsides facing south or southwest could be excellent for solar PV installations. These slopes can provide optimal angles for solar panels to capture sunlight, potentially increasing their efficiency. It's important to note that while these areas may be topographically suitable, other factors such as land ownership, environmental considerations, and proximity to power infrastructure would also need to be taken into account when planning large-scale solar projects. Additionally, care should be taken to balance solar development with the preservation of agricultural lands and natural habitats that are vital to the region's ecology and economy.

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!

Citation Guide

Article Details for Citation

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.

Helping you assess viability of solar PV for your site

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.