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Flag of IndiaSolar PV Analysis of Hardiya, India

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

Hardiya, Bihar, India, situated in the Northern Sub Tropics at coordinates 25.2477, 84.3795, presents a favorable location for solar PV energy generation throughout the year. The area experiences substantial solar potential across all seasons, with varying levels of electricity output.

Seasonal Solar Performance

Spring emerges as the most productive season, with an impressive daily output of 6.13 kWh per kW of installed solar capacity. Summer and autumn follow closely, generating 4.74 kWh/day and 4.60 kWh/day, respectively. Winter, while less productive, still maintains a respectable output of 3.60 kWh/day.

These figures indicate that Hardiya benefits from consistent solar potential throughout the year, with spring and summer being particularly ideal for solar energy production. The relatively high output even during winter months suggests that solar PV systems can provide reliable energy year-round in this location.

Optimal Panel Installation

For fixed panel installations in Hardiya, Bihar, the ideal tilt angle to maximize year-round solar production is 23 degrees facing South. This angle has been calculated considering various factors, including daily solar elevation angles, optimal panel tilt, and solar irradiance data, while accounting for the Earth's elliptical orbit.

Environmental Considerations

While Hardiya generally offers favorable conditions for solar energy production, there are some environmental factors to consider:

  • Monsoon season: Heavy rainfall and increased cloud cover during the monsoon months (typically June to September) may temporarily reduce solar output.
  • Dust and air pollution: Being in a semi-arid region, dust accumulation on panels can impact efficiency.

To mitigate these factors, consider implementing regular panel cleaning schedules, especially during and after the monsoon season. Installing panels at the optimal tilt angle will also help with natural cleaning from rainwater. Additionally, using high-quality, dust-resistant panels and implementing a robust maintenance plan can help ensure consistent energy production throughout the year.

Overall, Hardiya's location proves to be highly suitable for solar PV energy generation, with ample sunlight available across all seasons and only minor environmental challenges that can be effectively managed with proper planning and maintenance.

Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° latitude.

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 Hardiya

Seasonal solar PV output for Latitude: 25.2477, Longitude: 84.3795 (Hardiya, 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 4.74kWh/day in Summer.
Autumn
Average 4.60kWh/day in Autumn.
Winter
Average 3.60kWh/day in Winter.
Spring
Average 6.13kWh/day in Spring.

 

Ideally tilt fixed solar panels 23° South in Hardiya, India

To maximize your solar PV system's energy output in Hardiya, India (Lat/Long 25.2477, 84.3795) throughout the year, you should tilt your panels at an angle of 23° 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: 25.2477, Longitude: 84.3795, the ideal angle to tilt panels is 23° South

Seasonally adjusted solar panel tilt angles for Hardiya, 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 Hardiya, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 23° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
9° South in Summer 31° South in Autumn 40° South in Winter 19° 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 Hardiya, India as follows: In Summer, set the angle of your panels to 9° facing South. In Autumn, tilt panels to 31° facing South for maximum generation. During Winter, adjust your solar panels to a 40° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 19° angle facing South to capture the most solar energy in Hardiya, 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 Hardiya, 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 Hardiya, 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 Hardiya, India

The topography around Hardiya, India, located at approximately 25.2477 degrees north latitude and 84.3795 degrees east longitude, is characterized by relatively flat terrain typical of the Gangetic Plain. This region is part of the vast alluvial plain formed by the Ganges River and its tributaries over millions of years. The landscape is predominantly composed of fertile agricultural land, with occasional gentle undulations and small hillocks. The area surrounding Hardiya is primarily rural, featuring a patchwork of cultivated fields, scattered settlements, and occasional patches of vegetation. The terrain is generally low-lying, with an average elevation of about 50 to 60 meters above sea level. The flatness of the land is occasionally interrupted by shallow depressions and slight elevations, but overall, the topography remains fairly uniform.

Potential for Solar PV Development

Given the topographical characteristics of the region around Hardiya, several nearby areas could be well-suited for large-scale solar photovoltaic (PV) installations. The flat terrain offers several advantages for solar energy development: Firstly, the expansive agricultural lands surrounding Hardiya provide ample space for the deployment of solar panels. These open areas receive consistent sunlight throughout the year, making them ideal for solar energy generation. The lack of significant natural obstacles or steep slopes simplifies the installation process and reduces construction costs. Secondly, the region's proximity to the Ganges River and its tributaries ensures a stable water supply, which can be crucial for the maintenance and cleaning of solar panels. However, care must be taken to avoid flood-prone areas close to the riverbanks. Thirdly, the existing road network in the area, while primarily rural, can facilitate the transportation of equipment and materials necessary for solar farm construction. This infrastructure can be further developed to support large-scale solar projects. When considering specific locations for solar PV installations, areas slightly elevated from the surrounding plains would be preferable. These higher grounds are less susceptible to waterlogging during the monsoon season and offer better drainage. Additionally, lands that are less fertile or unsuitable for agriculture could be prioritized to minimize the impact on food production. It's important to note that while the topography is favorable, other factors such as land ownership, grid connectivity, and local regulations would also play crucial roles in determining the most suitable sites for large-scale solar PV projects in the vicinity of Hardiya.

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 Hardiya, India
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 1st of February 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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