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Flag of IndiaSolar PV Analysis of Pen, India

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Pen, India (by season)

The location of Pen, Maharashtra, India, situated at coordinates 18.7383, 73.0922, offers a promising environment for solar energy generation throughout the year. Located in the tropics, this area experiences consistent sunlight and is characterized more by wet and dry seasons than traditional four-season cycles.

Seasonal Solar Output

Solar energy production in Pen varies across meteorological seasons, with spring being the most productive period. The expected daily electricity output per kilowatt of installed solar capacity is as follows:

  • Spring: 6.88 kWh/day
  • Winter: 5.11 kWh/day
  • Autumn: 4.73 kWh/day
  • Summer: 4.07 kWh/day

These figures indicate that solar energy generation is viable year-round, with spring and winter being particularly favorable seasons. The higher output during these periods can be attributed to clearer skies and optimal sun angles.

Optimal Panel Tilt

For fixed panel installations in Pen, Maharashtra, the ideal tilt angle to maximize year-round solar production is 19 degrees facing South. This angle has been calculated considering daily solar elevation angles, optimal panel tilt, and weighted by daily photovoltaic potential using NASA's solar irradiance data.

Environmental Considerations

While Pen's location is generally favorable for solar energy production, there are some environmental factors to consider. The region experiences a monsoon season, typically from June to September, which could potentially impact solar output due to increased cloud cover and rainfall. To mitigate this, installers should ensure proper waterproofing and drainage systems for the solar panels.

Additionally, dust accumulation can be a concern in this area, especially during dry seasons. Regular cleaning and maintenance of the panels is essential to maintain optimal efficiency. Installing panels at the recommended tilt angle can also help with natural cleaning during rainfall.

Overall, Pen, Maharashtra, India offers an ideal location for solar PV installations, with consistent year-round production and particularly high output during spring and winter months. By addressing potential challenges related to monsoon weather and dust, solar energy systems in this area can operate efficiently and provide a reliable source of renewable energy.

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 Pen

Seasonal solar PV output for Latitude: 18.7383, Longitude: 73.0922 (Pen, 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:

Summer
Average 4.07kWh/day in Summer.
Autumn
Average 4.73kWh/day in Autumn.
Winter
Average 5.11kWh/day in Winter.
Spring
Average 6.88kWh/day in Spring.

 

Ideally tilt fixed solar panels 19° South in Pen, India

To maximize your solar PV system's energy output in Pen, India (Lat/Long 18.7383, 73.0922) throughout the year, you should tilt your panels at an angle of 19° 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.

The sun
At Latitude: 18.7383, Longitude: 73.0922, the ideal angle to tilt panels is 19° South

Seasonally adjusted solar panel tilt angles for Pen, 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 Pen, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 19° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
3° South in Summer 25° South in Autumn 34° South in Winter 13° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Pen, India as follows: In Summer, set the angle of your panels to 3° facing South. In Autumn, tilt panels to 25° facing South for maximum generation. During Winter, adjust your solar panels to a 34° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 13° angle facing South to capture the most solar energy in Pen, India.

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 Pen, 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 Pen, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Pen, India

The topography around Pen, India, located at latitude 18.7383 and longitude 73.0922, is characterized by a diverse landscape that reflects the region's proximity to the Western Ghats mountain range. The area features a mix of gently rolling hills, plateaus, and valleys, with elevations gradually increasing as one moves westward towards the Ghats. Pen itself is situated in a relatively flat area, surrounded by low-lying plains that are ideal for agriculture. As you move away from the town, the terrain becomes more varied. To the east, the land remains predominantly flat, with occasional small hills and undulations. This area is part of the Konkan coastal plain, which extends along the western coast of India. To the west and southwest of Pen, the landscape becomes more rugged and hilly as it transitions into the foothills of the Western Ghats. These hills are typically covered in dense vegetation, including deciduous and semi-evergreen forests. The hills are interspersed with narrow valleys and small streams that flow eastward towards the Arabian Sea.

Suitability for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would have ample sunlight exposure, relatively flat terrain, and minimal environmental impact. The eastern plains surrounding Pen offer the most promising potential for solar PV projects. These areas benefit from their flat topography, which simplifies construction and maintenance of solar arrays. The open nature of the landscape also ensures maximum sunlight exposure throughout the day, with fewer obstructions from hills or dense vegetation. Some of the plateau regions to the west, where the terrain is less steep, could also be suitable for solar installations. These elevated areas may receive good sunlight and have the advantage of being less prone to flooding during monsoon seasons. However, it's important to note that the hilly regions closer to the Western Ghats are less ideal for large-scale solar projects. The uneven terrain and dense forest cover in these areas would make installation challenging and potentially harmful to the local ecosystem. Any solar PV development in the region would need to carefully balance energy production goals with environmental conservation efforts, particularly given the ecological importance of the Western Ghats. Proper site selection, environmental impact assessments, and sustainable development practices would be crucial to ensure the success of large-scale solar projects while preserving the natural beauty and biodiversity of the area around Pen.

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

Article: Solar PV Analysis of Pen, India
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 11th of January 2025
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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