Solar PV Analysis of Khulna, Bangladesh
Khulna, Bangladesh is a pretty good location for generating solar power all year round. The amount of energy you can generate from solar panels depends on the amount of sunlight they receive. In Khulna, you can expect to generate around 4-6 kilowatt-hours (kWh) per day for each kilowatt (kW) of solar panels you have installed, depending on the season.
In simple terms, that means in summer and winter when the days are shorter, your panels will produce slightly less energy compared to spring when days are longer. Autumn also has decent production levels but slightly lower than spring.
If you're installing fixed solar panels in Khulna, tilting them at an angle of 22 degrees towards the South would be ideal. This is because it allows them to catch as much sunlight as possible throughout the year.
However, there could be some local factors that might affect how much energy your solar panels can produce. For instance:
1. Weather: Although Khulna gets a lot of sunlight throughout most of the year because it's located in the Tropics, it also has a monsoon season which is characterized by heavy rains and cloudy skies which could reduce your system's output during those times.
2. Topography: If there are hills or other tall structures nearby that cast shadows over your solar panel installation during certain parts of the day or certain times of year this could also limit how much electricity they can generate.
3. Environmental Factors: Dust and pollution levels might affect how clean your panels stay which impacts their efficiency.
To overcome these challenges:
1. You may want to install additional capacity so even during monsoon season when production drops off somewhat due to cloud cover and rain; you still have enough power.
2. If topography is an issue then choosing an installation site with minimal shading would be key.
3. Regular cleaning/maintenance schedule to ensure panels are free from dust and pollutants can also help maintain their efficiency.
In conclusion, Khulna, Bangladesh is a good location for solar power generation year-round with some considerations and preventative measures taken into account.
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 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 Khulna
Seasonal solar PV output for Latitude: 22.8159, Longitude: 89.566 (Khulna, 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 22° South in Khulna, Bangladesh
To maximize your solar PV system's energy output in Khulna, Bangladesh (Lat/Long 22.8159, 89.566) throughout the year, you should tilt your panels at an angle of 22° 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 Khulna, 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 Khulna, Bangladesh. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 22° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 7° South in Summer | 29° South in Autumn | 38° 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 Khulna, 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 Khulna, Bangladesh.
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 Khulna, Bangladesh
Khulna, Bangladesh is located in the southwestern part of the country. The topography of this region is relatively flat, with an average elevation of 10 meters above sea level. It is dominated by the Ganges Delta, which is formed by the confluence of several rivers including the Ganges, Brahmaputra and Meghna. This area also contains numerous water bodies and swamps.
The climate in Khulna is tropical and humid most of the year round with monsoon season from June to October bringing heavy rainfall. The region receives a good amount of sunlight throughout the year making it suitable for solar PV installations.
However, due to its low-lying nature and proximity to river systems, Khulna often experiences flooding during monsoon season which could potentially damage solar PV installations.
The most suited areas nearby for large-scale solar PV would be areas that are slightly elevated to avoid flood risks while still receiving ample sunlight. Areas further inland away from immediate river banks but still within close proximity to infrastructure for easy power transmission would be ideal.
It's also worth noting that rooftop solar installations on buildings in urban areas like Khulna city could be a viable option as they would not require additional land space and can take advantage of existing structures.
Lastly, feasibility studies should be conducted prior to any installation as other factors such as local regulations or environmental impact may influence suitability.
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!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 16th of February 2024
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.
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.
