Solar PV Analysis of Rourkela, India
Rourkela, Odisha, India, situated at 22.2252° N, 84.8685° E, presents a promising location for solar energy generation. This tropical city experiences consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods than temperature fluctuations.
Seasonal Solar Performance
Solar PV systems in Rourkela demonstrate robust performance across all seasons. Spring stands out as the most productive period, with an impressive 6.45 kWh/day per kW of installed capacity. The other seasons maintain relatively steady outputs: 4.55 kWh/day in summer, 4.68 kWh/day in autumn, and 4.59 kWh/day in winter. This consistency is advantageous for year-round energy production.
Optimal Panel Tilt
For fixed panel installations in Rourkela, Odisha, the ideal tilt angle to maximize year-round solar production is 21 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.
Peak Generation Period
While solar generation remains relatively stable throughout the year, the spring season (typically March to May) offers the highest energy yield. This period coincides with clearer skies and longer daylight hours, making it the prime time for solar energy production in Rourkela.
Environmental Considerations
Despite the overall favorable conditions, there are a few environmental factors to consider:
- Monsoon season: Heavy rainfall and cloud cover during the monsoon (typically June to September) may temporarily reduce solar output.
- Dust accumulation: Rourkela's industrial nature can lead to dust buildup on solar panels, potentially decreasing efficiency.
Preventative Measures
To mitigate these challenges and ensure optimal energy production, consider implementing the following measures:
- Install a robust cleaning system or schedule regular manual cleaning to combat dust accumulation.
- Use high-quality, weather-resistant panels capable of withstanding heavy rainfall during monsoon seasons.
- Implement a slight increase in panel tilt during monsoon months to facilitate natural cleaning by rainwater.
In conclusion, Rourkela's tropical location and consistent sunlight make it a highly suitable site for solar PV installations. With proper planning and maintenance, the city's solar energy potential can be effectively harnessed year-round.
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 Rourkela
Seasonal solar PV output for Latitude: 22.2252, Longitude: 84.8685 (Rourkela, 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 21° South in Rourkela, India
To maximize your solar PV system's energy output in Rourkela, India (Lat/Long 22.2252, 84.8685) throughout the year, you should tilt your panels at an angle of 21° 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 Rourkela, 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 Rourkela, India. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 21° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 6° South in Summer | 28° South in Autumn | 37° South in Winter | 16° 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 Rourkela, 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 Rourkela, India.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Rourkela, India
The area around Rourkela, India, is characterized by a diverse and interesting topography. Located in the eastern state of Odisha, Rourkela sits in a region that transitions from the coastal plains to the eastern highlands. The city itself is nestled in a valley surrounded by low hills and forested areas.
To the north and west of Rourkela, the landscape becomes increasingly hilly as it approaches the Chota Nagpur Plateau. This plateau region features a mix of rolling hills, rocky outcrops, and small valleys. The terrain in this direction gradually increases in elevation, with some hills reaching heights of several hundred meters above sea level.
To the south and east, the topography becomes generally flatter as it extends towards the coastal plains of Odisha. However, the landscape is not entirely uniform, with scattered hillocks and small elevated areas breaking up the otherwise level terrain. Several rivers, including the Brahmani River, flow through this region, creating fertile valleys and occasional flood plains.
When considering areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, several factors come into play. The ideal locations would combine relatively flat terrain, good sun exposure, and proximity to existing infrastructure.
The areas to the south and east of Rourkela, where the landscape becomes flatter, would generally be more suitable for large-scale solar projects. These regions offer more expansive open spaces that could accommodate extensive solar panel arrays. The relatively level ground would minimize the need for extensive land preparation and reduce construction costs.
However, it's important to note that some of the gently rolling terrain to the north and west could also be suitable, particularly on south-facing slopes that receive optimal sunlight throughout the day. These areas might require more careful site selection and planning but could still be viable for solar installations.
Ultimately, the best locations for solar PV near Rourkela would need to balance topographical suitability with other important factors such as land availability, proximity to power grid infrastructure, and environmental considerations. A detailed site-specific assessment would be necessary to identify the most promising areas for large-scale solar development in the region.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 19th of September 2024
Last Updated: Monday 21st of July 2025
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.
