Solar Energy Potential in Gangseo-gu, South Korea
Gangseo-gu in South Korea, situated in the Northern Temperate Zone, offers reasonably good conditions for solar PV energy generation throughout the year, though with notable seasonal variations. The location experiences its strongest solar production during Spring, with an impressive 5.50 kWh per day for each kilowatt of installed solar capacity. Summer follows closely behind with 5.42 kWh/day. These warmer months represent the peak solar harvesting period, making up approximately half the year with excellent generation potential. Energy production decreases significantly during the cooler seasons. Autumn yields 3.73 kWh/day, while Winter drops further to 3.30 kWh/day per kilowatt installed. This seasonal pattern creates a notable difference between the high and low production periods, with spring generating about 67% more energy than winter.Optimal Panel Installation
For fixed solar panel installations in Gangseo-gu, the ideal tilt angle to maximize year-round energy production is 32 degrees facing South. This carefully calculated angle optimizes the capture of available sunlight across all seasons, balancing the higher summer sun path with the lower winter trajectory.Environmental Considerations
Several environmental factors may impact solar production at this location:- Air pollution and seasonal yellow dust from mainland China can significantly reduce solar efficiency by blocking sunlight. Regular panel cleaning systems or scheduled maintenance can help mitigate these effects.
- Typhoon season (typically July-September) presents risks of physical damage to installations. Reinforced mounting systems and panels rated for high wind conditions are strongly recommended.
- Heavy monsoon rains during summer can temporarily reduce production and potentially cause water intrusion issues if installations aren't properly sealed. Ensuring proper drainage and high-quality waterproofing is essential.
Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 124 locations across South Korea. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in South Korea by location
Solar output per kW of installed solar PV by season in Gangseo-gu, Busan
Seasonal solar PV output for Latitude: 35.1628, Longitude: 128.9353 (Gangseo-gu, Busan, South Korea), 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 32° South in Gangseo-gu, Busan, South Korea
To maximize your solar PV system's energy output in Gangseo-gu, Busan, South Korea (Lat/Long 35.1628, 128.9353) throughout the year, you should tilt your panels at an angle of 32° 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 Gangseo-gu, Busan, South Korea
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 Gangseo-gu, Busan, South Korea. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 19° South in Summer | 41° South in Autumn | 50° South in Winter | 28° 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 Gangseo-gu, Busan, South Korea
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 Gangseo-gu, Busan, South Korea.
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 Gangseo-gu, Busan, South Korea
Gangseo-gu, located in Busan, South Korea, features diverse topographical characteristics that significantly influence its landscape. The area sits along the southeastern coast of the Korean Peninsula, where the Nakdong River meets the Korea Strait. This geographical positioning creates a unique blend of riverine plains, coastal features, and modest elevations.
Riverine Plains and Delta
The most prominent topographical feature of Gangseo-gu is the Nakdong River delta. This extensive alluvial plain has formed over centuries as the river deposits sediment before emptying into the sea. The flat, low-lying terrain of this delta region covers a substantial portion of Gangseo-gu, particularly in its western sections. Elevation in these areas typically ranges from just above sea level to only a few meters high, creating vast stretches of level ground.Coastal Features
The southern boundary of Gangseo-gu meets the Korea Strait, forming a coastline that has been significantly modified by both natural processes and human intervention. Reclamation projects have expanded the usable land area, creating artificial flat terrain that extends the natural delta. These coastal areas feature minimal elevation change and open exposure to maritime influences.Surrounding Elevations
While Gangseo-gu itself is predominantly flat, it is bordered by more varied terrain. To the east and northeast, the land gradually rises toward the hills that separate Busan's various districts. These modest elevations rarely exceed 100-200 meters within the immediate vicinity but provide a topographical contrast to the flatlands of the delta region.Potential for Solar PV Development
The topographical characteristics of Gangseo-gu and its surrounding areas present several promising locations for large-scale solar PV installations: The expansive delta plains of western Gangseo-gu offer ideal conditions for solar development. These flat, open areas provide maximum solar exposure throughout the day with minimal shadowing effects. The lack of significant elevation changes reduces construction complexity and costs associated with terrain modification. Reclaimed coastal lands along the southern edge of Gangseo-gu represent another prime opportunity. These artificially leveled areas often have limited agricultural value and fewer competing land uses, making them suitable candidates for solar installations. Their proximity to existing infrastructure, including the port facilities and industrial zones of Busan, could facilitate grid connection and maintenance access. For slightly elevated installations, the gentle slopes of the eastern transitional areas between Gangseo-gu and neighboring districts might be considered. These locations can sometimes benefit from reduced fog exposure compared to the lowest-lying areas while still maintaining favorable angles for solar collection.Topographical Limitations
Despite these advantages, certain topographical features present challenges for solar development in the region. The delta area experiences periodic flooding, necessitating elevated mounting systems and robust foundation designs for any installations placed there. The coastal proximity also introduces concerns about salt spray and typhoon exposure, requiring appropriate engineering solutions. Additionally, the urban development patterns of greater Busan have created a complex landscape of industrial, residential, and agricultural land uses throughout Gangseo-gu. This limits the availability of large, contiguous parcels that would be most efficient for utility-scale solar development. The most promising approach would likely involve targeting the western delta plains and reclaimed coastal areas, where larger tracts of suitable land may still be available and where the exceptionally flat topography maximizes the efficiency of solar arrays while minimizing installation costs.South Korea solar PV Stats as a country
South Korea ranks 8th in the world for cumulative solar PV capacity, with 18,161 total MW's of solar PV installed. This means that 3.80% of South Korea's total energy as a country comes from solar PV (that's 21st in the world). Each year South Korea is generating 350 Watts from solar PV per capita (South Korea ranks 9th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in South Korea?
Yes, there are incentives for businesses wanting to install solar energy in South Korea. The Korean government offers a variety of financial incentives and subsidies for businesses that install solar energy systems. These include tax credits, grants, loans, and other forms of support. Additionally, the government has implemented a feed-in tariff system which guarantees a fixed price for electricity generated from renewable sources such as solar power. This helps to make the installation of solar energy systems more attractive to businesses by providing them with a guaranteed return on their investment.
Do you have more up to date information than this on incentives towards solar PV projects in South Korea? Please reach out to us and help us keep this information current. Thanks!
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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 26th of June 2025
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.
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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.




