Hisar, a city in the northern Indian state of Haryana, presents a promising location for solar energy generation. Situated in the Northern Sub-Tropics at coordinates 29.1501° N, 75.7176° E, Hisar experiences significant solar potential throughout the year, with varying levels of electricity output across different seasons.

Seasonal Solar Performance

The solar energy production in Hisar follows a distinct seasonal pattern. Spring emerges as the most productive season, with an impressive output of 6.58 kWh per day for each kilowatt of installed solar capacity. Summer closely follows with 6.04 kWh/day, showcasing the region's strong solar potential during the warmer months.

Autumn sees a moderate decline in production, yielding 4.64 kWh/day. Winter experiences the lowest output at 3.53 kWh/day, which is still considerable and allows for year-round solar energy generation.

Optimal Panel Installation

For fixed solar panel installations in Hisar, the ideal tilt angle to maximize year-round production is 26 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the Earth's elliptical orbit and Hisar's specific geographical location.

Environmental Considerations

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

Dust and air pollution can be significant issues in this region, potentially reducing solar panel efficiency. Regular cleaning and maintenance of panels are crucial to mitigate this impact. Installing panels at a slight angle (as recommended) can help with natural cleaning during rainfall.

Extreme heat during summer months may slightly reduce panel efficiency. Choosing high-quality, heat-resistant panels and ensuring proper ventilation during installation can help maintain optimal performance.

Occasional sandstorms in this semi-arid region could temporarily decrease solar output. Installing protective covers or automated cleaning systems can help address this issue.

Overall, Hisar's location proves to be highly suitable for solar PV installations, with ample sunlight available throughout the year. By addressing the mentioned environmental factors through proper installation techniques and regular maintenance, solar energy systems in this area can achieve excellent performance and contribute significantly to sustainable energy production.

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 Hisar

Seasonal solar PV output for Latitude: 29.1501, Longitude: 75.7176 (Hisar, 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 26° South in Hisar, India

To maximize your solar PV system's energy output in Hisar, India (Lat/Long 29.1501, 75.7176) throughout the year, you should tilt your panels at an angle of 26° 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 Hisar, 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 Hisar, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 26° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
13° South in Summer	35° South in Autumn	44° South in Winter	22° 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 Hisar, 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 Hisar, 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 Hisar, India

The topography around Hisar, India, located at latitude 29.1501 and longitude 75.7176, is characterized by a predominantly flat landscape typical of the Indo-Gangetic plain. This region is part of the larger Haryana state, which is known for its extensive agricultural lands and gently rolling terrain. The area surrounding Hisar features vast stretches of fertile alluvial soil, with minimal elevation changes across the landscape. The city of Hisar itself sits at an average elevation of about 215 meters (705 feet) above sea level. As you move outward from the city center, the terrain remains relatively level, with only slight undulations in the land. This flat topography extends for many kilometers in all directions, creating a vast expanse of open space that is primarily used for agricultural purposes.

Suitability for Large-Scale Solar PV

The areas surrounding Hisar are particularly well-suited for large-scale solar photovoltaic (PV) installations due to several favorable factors. The flat terrain makes it easier and more cost-effective to install and maintain solar panels over large areas. There are fewer natural obstacles or steep gradients that would complicate construction or reduce the efficiency of solar arrays. The regions to the west and southwest of Hisar are especially promising for solar PV development. These areas experience high levels of solar irradiation throughout the year, with clear skies and minimal cloud cover for extended periods. The semi-arid climate of this region contributes to the ideal conditions for solar energy production. Additionally, the agricultural lands that dominate the landscape around Hisar could potentially be repurposed or used in conjunction with solar installations through agrivoltaic systems. This approach would allow for dual land use, combining agriculture with solar energy production. It's worth noting that while the entire region around Hisar has potential for solar PV, areas further away from urban centers and major water bodies might be more suitable for large-scale installations. These locations would have fewer competing land-use demands and reduced risk of flooding or other water-related issues that could impact solar infrastructure. In conclusion, the flat topography and abundant open spaces surrounding Hisar make it an excellent candidate for large-scale solar PV development, with the western and southwestern regions offering particularly favorable conditions for such projects.

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.