Agartala, Tripura, India, situated at latitude 23.8356° N and longitude 91.2836° E, offers a promising location for solar PV energy generation throughout the year. This northern subtropical city experiences varying levels of solar energy production across different seasons, with some periods being more favorable than others.

Seasonal Solar Energy Production

Solar energy production in Agartala fluctuates across the four meteorological seasons. Spring stands out as the most productive season, with an impressive 6.16 kWh per day for each kilowatt of installed solar capacity. Autumn follows as the second most productive season, generating 5.11 kWh/day/kW. Winter and summer show similar output levels, producing 4.70 kWh/day/kW and 4.69 kWh/day/kW, respectively.

Optimal Times for Solar Generation

The spring months, typically from March to May, offer the best conditions for solar energy production in Agartala. This period combines longer daylight hours with clearer skies, resulting in peak solar panel efficiency. The autumn months (September to November) also provide favorable conditions for solar energy generation.

Panel Tilt Angle for Maximum Efficiency

To maximize year-round solar energy production in Agartala, Tripura, fixed solar panels should be tilted at an angle of 23 degrees facing south. This optimal angle takes into account the city's latitude and the sun's position throughout the year, ensuring the panels capture the most sunlight possible across all seasons.

Environmental and Weather Factors

While Agartala generally offers good conditions for solar energy production, there are some environmental and weather factors that could potentially impact solar panel efficiency:

• Monsoon season: Heavy rainfall and increased cloud cover during the monsoon months (June to September) may reduce solar energy production.
• Dust and pollution: The city's urban environment can lead to dust accumulation on solar panels, potentially decreasing their efficiency.

Preventative Measures

To mitigate the impact of these factors and ensure optimal solar energy production, consider implementing the following measures:

1. Install a reliable cleaning system or schedule regular manual cleaning of the solar panels to remove dust and debris.

2. Use high-quality, weather-resistant solar panels that can withstand heavy rainfall and humidity during the monsoon season.

3. Consider incorporating a solar tracking system to maximize energy capture, especially during periods of reduced sunlight.

By taking these precautions and leveraging Agartala's generally favorable climate, solar PV installations in this location can achieve consistent and efficient energy production throughout the year.

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 Agartala

Seasonal solar PV output for Latitude: 23.8356, Longitude: 91.2836 (Agartala, 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 23° South in Agartala, India

To maximize your solar PV system's energy output in Agartala, India (Lat/Long 23.8356, 91.2836) 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.

Seasonally adjusted solar panel tilt angles for Agartala, 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 Agartala, 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
8° South in Summer	30° South in Autumn	39° South in Winter	17° 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 Agartala, 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 Agartala, 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 Agartala, India

Agartala, the capital city of Tripura in northeastern India, is situated in a unique topographical setting. The city and its surrounding areas are characterized by a mix of gently rolling hills, flat plains, and low-lying areas. To the west of Agartala lies the vast alluvial plains of Bangladesh, while to the east, the landscape gradually rises into the foothills of the Lushai Hills. The immediate vicinity of Agartala is predominantly flat, with the city itself built on a level plain. As one moves away from the city center, the terrain becomes more varied. To the north and northeast, the land begins to undulate, forming a series of small hills and valleys. These hills are part of the larger Baramura Range, which runs through Tripura.

Nearby Areas Suitable for Large-scale Solar PV

When considering areas near Agartala for 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 regions to the west and southwest of Agartala, extending towards the Bangladesh border, offer promising potential for solar PV projects. These areas consist of expansive plains with minimal elevation changes, providing excellent conditions for solar panel installation. The lack of significant natural obstacles ensures maximum sunlight exposure throughout the day. Another suitable area lies to the north of Agartala, in the direction of Kamalghat and beyond. This region features a mix of flat lands and gentle slopes, which can be advantageous for solar panel placement. The slightly elevated terrain can help minimize shading issues and allow for optimal panel orientation. The eastern outskirts of Agartala, towards Narsingarh and Khayerpur, also present opportunities for solar PV development. While the terrain here becomes more undulating, there are still pockets of relatively flat land that could accommodate large-scale installations. However, careful site selection would be necessary to avoid areas with dense vegetation or steep gradients. It's important to note that while these areas show promise for solar PV projects, any large-scale development would require detailed environmental and social impact assessments. Factors such as land ownership, proximity to power grids, and local regulations would also play crucial roles in determining the feasibility of such projects in the region around Agartala.

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.