Joypurhat, Rajshahi Division, Bangladesh, situated in the Northern Sub Tropics at coordinates 25.0969, 89.1021, presents a generally favorable location for solar PV energy generation throughout the year, with some seasonal variations in output.

Seasonal Solar Production

Solar energy production at this location shows interesting seasonal patterns. Spring delivers the highest energy output at 5.72 kWh per day for each kilowatt of installed capacity. Autumn follows with a solid 4.81 kWh/day, while summer produces 4.76 kWh/day. Winter sees the lowest production at 4.06 kWh/day per kilowatt installed, though this still represents reasonable generation capacity.

The significant spring performance suggests this is the ideal time for solar energy harvesting in Joypurhat. The relatively consistent output across other seasons indicates that solar PV systems can function effectively year-round, with only moderate reduction during winter months.

Optimal Panel Installation

For fixed panel installations in Joypurhat, Rajshahi Division, the ideal tilt angle to maximize year-round energy production is 24 degrees facing South. This specific angle has been calculated to optimize solar capture across all seasons based on the location's latitude and solar elevation patterns.

Environmental and Weather Challenges

Several factors could potentially impact solar production at this location. The monsoon season in Bangladesh (typically June to September) brings heavy rainfall and increased cloud cover, which can temporarily reduce solar efficiency during parts of summer and early autumn.

Dust accumulation represents another challenge, particularly during the dry season. The agricultural activities in the region can generate airborne particles that settle on panels and diminish their effectiveness.

High temperatures during summer months may slightly reduce panel efficiency, as most photovoltaic systems experience efficiency losses when operating above optimal temperature ranges.

Preventative Measures

To maximize solar production in Joypurhat despite these challenges, several preventative measures can be implemented:

• Install panels with adequate spacing and ventilation to minimize heat-related efficiency losses
• Implement regular cleaning schedules, particularly before and after monsoon season
• Consider semi-automated cleaning systems in areas with significant dust accumulation
• Use weather-resistant mounting hardware designed to withstand monsoon conditions
• Select panel technologies with better high-temperature performance characteristics

With these considerations addressed during installation and maintenance, solar PV systems in Joypurhat can achieve consistent, reliable energy production throughout the year, taking full advantage of the location's generally favorable solar conditions.

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 88 locations across Bangladesh. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Bangladesh by location

Solar output per kW of installed solar PV by season in Joypurhat

Seasonal solar PV output for Latitude: 25.0969, Longitude: 89.1021 (Joypurhat, Bangladesh), 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 24° South in Joypurhat, Bangladesh

To maximize your solar PV system's energy output in Joypurhat, Bangladesh (Lat/Long 25.0969, 89.1021) throughout the year, you should tilt your panels at an angle of 24° 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 Joypurhat, Bangladesh

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 Joypurhat, Bangladesh. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 24° 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

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 Joypurhat, Bangladesh

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 Joypurhat, Bangladesh.

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 Joypurhat, Bangladesh

Joypurhat, located in the northwestern part of Bangladesh, sits within the Barind Tract region, which is characterized by relatively elevated land compared to much of Bangladesh's predominantly flat terrain. The topography around Joypurhat features gently undulating plains with subtle variations in elevation. This area is part of the ancient Pleistocene terrace formation known as the Barind Tract, which rises slightly above the surrounding floodplains. The landscape consists primarily of agricultural fields interspersed with small settlements and scattered vegetation. Unlike the southern parts of Bangladesh, Joypurhat and its surrounding areas experience less flooding due to their slightly elevated position. The soil is predominantly reddish clay, which is characteristic of the Barind region.

Surrounding Terrain Features

To the east of Joypurhat, the terrain gradually transitions into the floodplains of the Jamuna River (the main channel of the Brahmaputra in Bangladesh). As one moves westward from Joypurhat toward the Indian border, the Barind Tract continues with its distinctive slightly higher elevation and undulating character. The region has numerous small water bodies, including ponds, beels (wetland areas), and small seasonal streams. During the monsoon season, some low-lying areas may experience temporary inundation, but the higher portions of the Barind Tract typically remain above flood levels.

Potential Areas for Solar PV Development

The northwestern regions surrounding Joypurhat offer promising conditions for large-scale solar PV installations due to several favorable topographic and environmental factors: The elevated areas of the Barind Tract provide relatively stable ground that experiences minimal flooding compared to much of Bangladesh. These higher grounds, particularly in the western and northwestern sectors around Joypurhat, would minimize flood risks to solar infrastructure. Fallow or less productive agricultural lands within the Barind region could be ideal candidates for solar development. These areas often have the advantage of being relatively flat while still benefiting from the slight elevation that helps with drainage during wet periods. The gently undulating terrain offers natural advantages for solar panel placement, as slight slopes facing southward can optimize solar exposure without requiring extensive land modification or grading. Areas with minimal tree cover and natural vegetation, which are common in parts of the Barind Tract, would require less clearing for solar installation and maintenance. The open agricultural landscape provides good sky access with minimal shading concerns. The stable clay soils of the region, while challenging for some types of agriculture, can provide solid foundations for solar mounting structures when properly engineered. Specifically, the areas extending northwest from Joypurhat toward Dinajpur and west toward Naogaon contain elevated plateaus within the Barind Tract that combine favorable elevation, minimal flooding risk, and good access to existing transportation infrastructure, making them particularly suitable for large-scale solar development.

Bangladesh solar PV Stats as a country

Bangladesh ranks 63rd in the world for cumulative solar PV capacity, with 329 total MW's of solar PV installed. Each year Bangladesh is generating 2 Watts from solar PV per capita (Bangladesh ranks 87th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Bangladesh?

Yes, there are incentives for businesses wanting to install solar energy in Bangladesh. The government of Bangladesh has implemented a number of policies and programs to promote the use of renewable energy sources such as solar power. These include tax exemptions, subsidies, and other financial incentives for businesses that install solar systems. Additionally, the government has set up a Renewable Energy Fund which provides grants to support research and development activities related to renewable energy technologies.

Do you have more up to date information than this on incentives towards solar PV projects in Bangladesh? 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.

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.