Solar Energy Potential in Dobong-gu, South Korea

Dobong-gu, a district in northern Seoul, South Korea, presents a moderate location for solar PV energy generation throughout the year. This area, situated at 37.639° North latitude and 127.034° East longitude, experiences seasonal variations in solar energy production that align with its position in the Northern Temperate Zone. The location demonstrates significant seasonal fluctuations in energy production. Summer delivers the highest output at 5.34 kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 5.13 kWh/day. Autumn shows a notable decrease to 3.57 kWh/day, while winter drops to the annual low of 2.92 kWh/day per kilowatt installed.

Seasonal Performance

The most productive periods for solar generation in Dobong-gu are the summer months (June through August) and spring (March through May). During these seasons, longer daylight hours and more favorable sun angles contribute to nearly twice the energy production compared to winter. The substantial difference between summer/spring and winter production indicates that system sizing should account for these seasonal variations. For optimal year-round energy production, solar panels in Dobong-gu should be installed at a 34-degree tilt facing South. This specific angle has been calculated to maximize annual energy harvest by accounting for the location's latitude and seasonal solar path variations.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar energy production in Dobong-gu:

• Seasonal monsoons and heavy summer rainfall may temporarily reduce solar output during what would otherwise be peak production months.
• Winter snow accumulation could cover panels and halt production if not properly managed.
• Air pollution and yellow dust storms, common in Seoul and surrounding areas, can significantly decrease solar efficiency by blocking sunlight.
• Typhoons occasionally affect the Korean peninsula, potentially damaging solar installations if not securely mounted.

Preventative Measures

To maximize solar production despite these challenges, several preventative measures are recommended: Installing panels at the optimal 34-degree tilt not only maximizes production but also helps shed snow more effectively. Using self-cleaning panel coatings or regular cleaning schedules can mitigate the effects of dust and pollution. Robust mounting systems rated for local wind conditions will protect against typhoon damage. Additionally, incorporating micro-inverters or power optimizers can help minimize production losses when portions of the array are shaded or covered. For locations particularly affected by seasonal variations, considering a slight adjustment from the optimal angle might sacrifice some annual production but improve winter performance when electricity may be more valuable. Overall, while Dobong-gu isn't ideal for solar production year-round due to its significant seasonal variations, proper system design and maintenance can still make solar PV a viable energy source in this northern Seoul district.

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 Dobong-gu

Seasonal solar PV output for Latitude: 37.639, Longitude: 127.034 (Dobong-gu, 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 34° South in Dobong-gu, South Korea

To maximize your solar PV system's energy output in Dobong-gu, South Korea (Lat/Long 37.639, 127.034) throughout the year, you should tilt your panels at an angle of 34° 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 Dobong-gu, 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 Dobong-gu, South Korea. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 34° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
21° South in Summer	42° South in Autumn	52° South in Winter	31° 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 Dobong-gu, 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 Dobong-gu, South Korea.

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 Dobong-gu, South Korea

Dobong-gu is situated in the northern part of Seoul, nestled against the foothills of Bukhansan National Park. The topography of this district is characterized by a dramatic transition from urban flatlands to steep mountainous terrain. The eastern and northern boundaries of Dobong-gu are defined by the imposing presence of Bukhansan Mountain, which rises to elevations exceeding 800 meters. This mountain creates a natural backdrop for the district, with several prominent peaks including Jaunbong and Dobongsan forming a rugged skyline. The western and southern portions of Dobong-gu feature gradually sloping terrain that descends toward the Jungnang Stream, which flows along the district's southwestern border. This creates a basin-like configuration where residential and commercial developments have concentrated in the flatter, lower-elevation areas. The transition between the mountainous eastern region and the more urbanized western zones occurs across a series of increasingly steep gradients.

Mountain Influence on Local Topography

The proximity of Bukhansan National Park significantly influences the local terrain. Numerous valleys and ravines cut through the foothills, creating natural drainage channels that have historically shaped settlement patterns. These valleys typically run in east-west orientations, descending from the mountain heights toward the more developed areas. The slopes facing south and southwest generally receive more direct sunlight throughout the year compared to north-facing aspects. The elevation difference across Dobong-gu is substantial, with the lowest points near Jungnang Stream at approximately 20 meters above sea level, while the highest reaches along the district's boundary with Bukhansan exceed 700 meters. This vertical relief creates diverse microclimates and affects potential solar exposure throughout the district.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic installations, several areas in and around Dobong-gu present favorable conditions. The most suitable locations would be: The southwestern flatlands of Dobong-gu, where the topography levels out toward Jungnang Stream, offer extensive areas with minimal shading from mountains. These lower-elevation zones receive consistent solar exposure, particularly in the areas near Banghak-dong and Ssangmun-dong where commercial and industrial facilities already exist with substantial roof space. The neighboring district of Nowon-gu, immediately to the east, contains more extensive flat areas that would be conducive to large-scale installations. The transitional zones between Dobong-gu and Nowon-gu feature gradually sloping terrain with favorable southern exposure, making them potentially valuable for solar development. South-facing slopes in the middle elevations of Dobong-gu's northern section could accommodate terraced solar installations. While these areas have more topographic variation, they benefit from excellent solar aspect and minimal shading from higher peaks, as they face away from the main mountain mass.

Topographic Constraints

Several factors limit the potential for solar development in certain parts of Dobong-gu. The steeper eastern and northern sections within Bukhansan National Park are protected conservation areas where development is restricted. Additionally, these areas experience significant terrain shading, particularly during winter months when the sun angle is lower. Dense urban development in the central and western portions of Dobong-gu presents challenges for ground-mounted systems, though rooftop installations remain viable. The narrow valleys extending from the mountains can experience reduced direct sunlight due to shading from adjacent ridges. The northwestern section of Dobong-gu, while less mountainous than the east, contains numerous small hills and irregular terrain features that would require careful site assessment for optimal solar placement. Some of these areas experience morning shadow effects from Bukhansan during certain seasons. In conclusion, the topography of Dobong-gu creates a varied landscape with distinct zones of solar potential. The most promising areas for large-scale solar development lie in the southwestern flatlands and the transitional zones between Dobong-gu and its neighboring districts, where adequate space, favorable orientation, and minimal shading converge to create optimal conditions for solar energy harvesting.

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!

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.