Krong Kep, Cambodia presents a favorable location for year-round solar photovoltaic energy generation, with consistent tropical sunlight throughout most of the year where seasons are characterized more by wet and dry periods rather than traditional temperature variations.

Solar Energy Production Potential

The solar energy output data for this location shows strong and relatively consistent performance across all seasons. Spring emerges as the peak production period, generating 6.22kWh per day per kW of installed solar capacity. Winter follows closely with 5.68kWh/day per kW, while summer produces 5.38kWh/day per kW, and autumn generates 5.01kWh/day per kW. This seasonal variation of only about 1.2kWh difference between the highest and lowest producing seasons demonstrates the location's reliability for solar energy generation. The higher production during spring and winter months aligns well with the region's tropical climate patterns. For optimal year-round energy production, solar panels should be installed at a fixed tilt angle of 10 degrees facing south. This angle has been calculated to maximize total annual solar output by accounting for the sun's varying elevation angles throughout the year and weighting them according to solar irradiance potential.

Environmental and Weather Challenges

Several significant local factors could impact solar energy production in Krong Kep and require careful consideration during installation planning. The tropical monsoon climate brings intense seasonal rainfall, particularly during the wet season. Heavy rains can reduce solar irradiance and create challenges for panel maintenance. Additionally, high humidity levels throughout the year can lead to moisture-related issues with electrical components and potential corrosion of mounting hardware. Coastal proximity exposes solar installations to salt-laden air, which accelerates corrosion of metal components and can create a film on panel surfaces that reduces efficiency. The region may also experience tropical storms or cyclones, bringing high winds and debris that could damage solar installations. Dust and organic matter accumulation on panels is another concern, particularly during dry periods when airborne particles settle on surfaces, and during humid periods when algae or mold growth may occur on panel surfaces.

Preventative Installation Measures

To maximize energy production despite these challenges, several preventative measures should be implemented during solar installation.

• Use marine-grade aluminum or stainless steel mounting systems specifically designed to resist saltwater corrosion
• Apply anti-corrosive coatings to all metal components and ensure proper drainage to prevent water pooling
• Install panels with adequate spacing for air circulation to reduce moisture buildup and improve cooling
• Design mounting systems to withstand high wind loads typical of tropical storm conditions
• Implement regular cleaning schedules and consider self-cleaning panel technologies or hydrophilic coatings

Electrical components should be housed in weatherproof enclosures with proper ventilation and moisture control systems. Inverters and other sensitive equipment benefit from being installed in climate-controlled environments when possible. Regular maintenance protocols become especially important in this environment, including frequent visual inspections after severe weather events, systematic cleaning schedules to remove salt deposits and organic buildup, and proactive replacement of seals and gaskets before they fail. With proper installation techniques and maintenance practices, Krong Kep's consistent tropical sunlight makes it a viable location for reliable solar energy generation 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 7 locations across Cambodia. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Cambodia by location

Solar output per kW of installed solar PV by season in Krong Kep

Seasonal solar PV output for Latitude: 10.4798, Longitude: 104.3187 (Krong Kep, Cambodia), 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 10° South in Krong Kep, Cambodia

To maximize your solar PV system's energy output in Krong Kep, Cambodia (Lat/Long 10.4798, 104.3187) throughout the year, you should tilt your panels at an angle of 10° 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 Krong Kep, Cambodia

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 Krong Kep, Cambodia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 10° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
6° North in Summer	17° South in Autumn	26° South in Winter	4° 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 Krong Kep, Cambodia

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 Krong Kep, Cambodia.

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 Krong Kep, Cambodia

Topographical Features of Krong Kep

The coastal town of Krong Kep sits along Cambodia's southern shoreline, where the land meets the Gulf of Thailand. This region is characterized by relatively gentle topography, with low-lying coastal plains that gradually transition into rolling hills as one moves inland. The immediate coastal area features flat to gently undulating terrain, making it part of the broader Cambodian coastal lowlands that extend along much of the country's southern border. Moving away from the coast, the landscape begins to rise modestly, with small hills and ridges becoming more prominent. These elevated areas are part of the Elephant Mountains foothills, which form a natural backdrop to the coastal plains. The terrain here consists of weathered granite and sedimentary formations that have been shaped by centuries of tropical weathering and erosion. The region's drainage patterns are influenced by seasonal monsoons, with numerous small streams and waterways flowing toward the coast. These water features have carved gentle valleys and depressions throughout the landscape, creating a varied but generally accessible terrain profile.

Vegetation and Land Use Patterns

The natural vegetation around Krong Kep reflects the tropical coastal environment, with remnants of coastal forests and mangrove areas near the shoreline. Inland areas feature a mix of secondary forest, agricultural lands, and grasslands where original forest cover has been cleared. Much of the region shows evidence of human modification, with agricultural activities including rice cultivation in lower-lying areas and various cash crops on slightly elevated ground. The existing land use patterns reveal a landscape that has been significantly modified from its original state, with many areas already cleared of dense forest cover. This creates opportunities for alternative land uses while also presenting considerations regarding soil stability and erosion control.

Optimal Areas for Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be found on the gently sloping inland areas, particularly those elevated slightly above the immediate coastal plain. These locations offer several advantages, including better drainage characteristics and reduced exposure to coastal salt spray that could affect equipment longevity. The rolling hills and elevated plateaus located several kilometers inland from the coast present ideal conditions for solar development. These areas typically feature stable soils, gentle slopes that can accommodate solar panel arrays without excessive grading, and sufficient elevation to avoid potential flooding during heavy rainfall events. Areas with southern-facing slopes would be particularly advantageous, as they can maximize solar exposure throughout the day. The relatively open terrain in many of these locations, often consisting of grasslands or lightly forested areas, would require minimal clearing compared to more densely forested regions. The proximity to existing infrastructure, including roads and potential electrical grid connections, makes certain inland areas more practical for development. Areas that balance optimal topographical conditions with reasonable access to transportation and utility infrastructure would represent the most viable options for large-scale solar installations in the Krong Kep region.

Cambodia solar PV Stats as a country

Cambodia ranks 57th in the world for cumulative solar PV capacity, with 428 total MW's of solar PV installed. Each year Cambodia is generating 26 Watts from solar PV per capita (Cambodia ranks 62nd in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Cambodia?

Yes, there are incentives for businesses wanting to install solar energy in Cambodia. The Cambodian government 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 invest in solar energy projects. Additionally, the government has established a Renewable Energy Fund which provides grants and loans to support renewable energy projects.

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