Solar Energy Potential in Pohang, South Korea

Pohang, located in the Northern Temperate Zone of South Korea, offers a promising location for solar energy generation. With its geographical coordinates at 36.0968° N latitude and 129.3219° E longitude, this coastal city experiences distinct seasonal variations in solar energy production. The solar potential in Pohang fluctuates throughout the year, with summer and spring being the most productive seasons. During summer, solar panels can generate an average of 5.28 kWh per day for each kilowatt of installed capacity. Spring follows closely behind with 5.25 kWh/day. These seasons provide ideal conditions for maximizing solar energy output. Autumn and winter see a decrease in solar energy production, with averages of 3.61 kWh/day and 3.21 kWh/day, respectively. While these figures are lower, they still indicate a reasonable potential for year-round solar energy generation.

Optimal Panel Installation

To maximize year-round solar energy production in Pohang, fixed solar panels should be tilted at an angle of 33 degrees facing south. This optimal angle takes into account the city's latitude, seasonal sun positions, and Earth's elliptical orbit, ensuring the best possible exposure to sunlight throughout the year.

Environmental Considerations

While Pohang generally offers favorable conditions for solar energy production, there are some environmental factors to consider: 1. Coastal location: Pohang's proximity to the sea may expose solar installations to salt spray, which can potentially corrode equipment over time. To mitigate this, using corrosion-resistant materials and applying protective coatings to solar panels and mounting structures is advisable. 2. Seasonal weather patterns: Pohang experiences a monsoon season, typically from June to September, which can bring heavy rainfall and increased cloud cover. This may temporarily reduce solar energy production during these months. Installing high-quality, water-resistant panels and ensuring proper drainage systems can help maintain efficiency during wet periods. 3. Air pollution: As an industrial city, Pohang may experience periods of increased air pollution, which can slightly reduce solar panel efficiency. Regular cleaning and maintenance of solar panels can help mitigate this issue and maintain optimal performance. By taking these factors into account and implementing appropriate preventative measures, solar energy installations in Pohang can be optimized for long-term efficiency and productivity.

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 Pohang

Seasonal solar PV output for Latitude: 36.0968, Longitude: 129.3219 (Pohang, 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 33° South in Pohang, South Korea

To maximize your solar PV system's energy output in Pohang, South Korea (Lat/Long 36.0968, 129.3219) throughout the year, you should tilt your panels at an angle of 33° 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 Pohang, 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 Pohang, South Korea. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
20° South in Summer	41° South in Autumn	51° South in Winter	29° 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 Pohang, 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 Pohang, 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 Pohang, South Korea

The topography around Pohang, South Korea, is quite diverse and interesting. The city itself is situated on the eastern coast of the Korean Peninsula, nestled between the East Sea (also known as the Sea of Japan) and a range of low mountains and hills. This coastal location gives Pohang a unique landscape that combines maritime and terrestrial features.

To the west of Pohang, the terrain gradually rises into a series of rolling hills and small mountains. These elevations are part of the larger Taebaek Mountain Range that runs along much of South Korea's eastern coast. While not extremely high, these hills provide a picturesque backdrop to the city and create a natural boundary between the coastal plain and the interior regions.

The coastal areas near Pohang are characterized by relatively flat land, with some gentle slopes leading down to the sea. There are several beaches along this stretch of coastline, interspersed with rocky outcrops and small bays. The Hyeongsan River flows through the city, creating a small delta as it meets the East Sea, which adds to the variety of the local topography.

When considering areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, there are a few factors to consider. The ideal locations would be relatively flat, receive ample sunlight, and have minimal obstruction from mountains or tall buildings. Given these criteria, the following areas near Pohang might be suitable:

1. The coastal plain to the north and south of Pohang: These areas offer flat or gently sloping terrain and are less likely to be shadowed by mountains. They also benefit from the reflective properties of the nearby sea, which can enhance solar radiation.

2. The broader valleys between the hills west of Pohang: While care must be taken to avoid areas that might be shadowed by surrounding hills, some of these valleys offer expanses of relatively flat land that could accommodate large solar arrays.

3. Former agricultural lands or brownfield sites in the outskirts of Pohang: These areas often provide large, open spaces that are ideal for solar installations, as long as they are not in the shadow of nearby hills or mountains.

It's important to note that while these areas might be topographically suitable, other factors such as land ownership, environmental considerations, and proximity to the electrical grid would also need to be taken into account when planning any large-scale solar PV project in the region.

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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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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