Kochchikade, Western Province, Sri Lanka, situated at 7.2698° N, 79.8601° E, offers a promising location for solar PV energy generation. Located in the tropics, this area experiences consistent sunlight throughout the year, with seasons characterized more by wet and dry periods than temperature variations.
Solar Energy Production Potential
The solar energy output at this location demonstrates remarkable consistency across seasons:
- Spring: 6.55 kWh/day
- Summer: 6.31 kWh/day
- Autumn: 5.65 kWh/day
- Winter: 6.24 kWh/day
Optimal Panel Installation
For fixed panel installations in Kochchikade, Western Province, the ideal tilt angle to maximize year-round solar production is 7 degrees South. This relatively low angle is due to the location's proximity to the equator, allowing panels to capture sunlight efficiently throughout the year without significant seasonal adjustments.
Environmental Considerations
While Kochchikade's tropical climate is generally favorable for solar energy production, there are some environmental factors to consider:
- Monsoon seasons: Sri Lanka experiences two monsoon seasons, which could potentially reduce solar output due to increased cloud cover and rainfall.
- High humidity: The tropical climate's high humidity levels may lead to accelerated degradation of solar panel components if not properly protected.
Conclusion
Overall, Kochchikade presents an excellent location for solar PV energy generation. Its consistent year-round sunlight and minimal seasonal variations make it an ideal site for solar installations. With proper planning and maintenance, solar energy systems in this area can provide a reliable and sustainable source of electricity throughout the year.
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 109 locations across Sri Lanka. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Sri Lanka by location
Solar output per kW of installed solar PV by season in Kochchikade
Seasonal solar PV output for Latitude: 7.2698, Longitude: 79.8601 (Kochchikade, Sri Lanka), 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 7° South in Kochchikade, Sri Lanka
To maximize your solar PV system's energy output in Kochchikade, Sri Lanka (Lat/Long 7.2698, 79.8601) throughout the year, you should tilt your panels at an angle of 7° 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 Kochchikade, Sri Lanka
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 Kochchikade, Sri Lanka. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 9° North in Summer | 13° South in Autumn | 23° South in Winter | 1° 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 Kochchikade, Sri Lanka
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 Kochchikade, Sri Lanka.
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 Kochchikade, Sri Lanka
The topography around Kochchikade, Sri Lanka, is primarily characterized by its coastal location and relatively flat terrain. Situated on the western coast of the island nation, this area is part of the country's lowland region. The landscape is predominantly composed of sandy beaches, coastal plains, and low-lying areas with minimal elevation changes. As you move inland from the coast, the terrain gradually transitions to gently rolling hills and small plateaus. The area is dotted with numerous lagoons, estuaries, and river mouths, creating a diverse coastal ecosystem. The Negombo Lagoon, a large body of brackish water, lies just to the north of Kochchikade, influencing the local topography and climate. The region's flat terrain and proximity to the coast make it susceptible to flooding during heavy rains and storm surges. However, this same characteristic also provides ample open spaces that could potentially be suitable for large-scale solar PV installations.
Areas Suitable for Large-Scale Solar PV
When considering locations for large-scale solar PV installations near Kochchikade, several factors come into play. The most suitable areas would be those that offer a combination of flat terrain, minimal shading, and easy access to existing infrastructure. The inland areas to the east of Kochchikade present promising opportunities for solar PV development. These regions feature expansive, open landscapes with fewer obstructions that could cast shadows on solar panels. The gently rolling terrain in this direction provides natural elevation changes that can help optimize panel orientation for maximum sun exposure throughout the day. Agricultural lands in the vicinity, particularly those used for rice cultivation, could potentially be repurposed or shared for solar energy production. These areas are typically flat, well-drained, and already connected to road networks, making them attractive for large-scale solar installations. It's important to note that while coastal areas might seem ideal due to their flatness, they may not be the best choice for solar PV installations. The salt spray from the ocean can corrode equipment, and these areas are more prone to flooding and storm damage. Additionally, coastal zones often have higher land values and may be protected for environmental or tourism reasons. The regions slightly further inland, beyond the immediate coastal influence but still within reasonable proximity to existing power infrastructure, would likely be the most suitable for large-scale solar PV projects. These areas would benefit from the abundant sunshine characteristic of Sri Lanka's climate while avoiding some of the challenges associated with coastal locations.Sri Lanka solar PV Stats as a country
Sri Lanka ranks 55th in the world for cumulative solar PV capacity, with 434 total MW's of solar PV installed. Each year Sri Lanka is generating 20 Watts from solar PV per capita (Sri Lanka ranks 66th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Sri Lanka?
Yes, there are incentives for businesses wanting to install solar energy in Sri Lanka. The government of Sri Lanka 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 Sri Lanka? 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: Monday 18th of November 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.




