Solar Energy Potential in Gimhae, South Korea

Gimhae, located in South Korea's Northern Temperate Zone, offers a moderate potential for solar energy generation throughout the year. The city's geographical position at latitude 35.2619 and longitude 128.867 provides varying levels of solar irradiance across different seasons.

Seasonal Solar Output

Solar energy production in Gimhae fluctuates significantly between seasons. Spring and summer are the most productive periods, with daily outputs of 5.53 kWh and 5.43 kWh per kW of installed solar capacity, respectively. Autumn sees a decrease to 3.79 kWh/day, while winter experiences the lowest output at 3.36 kWh/day. This seasonal variation indicates that Gimhae's solar potential is most favorable from March to August, with peak production occurring in late spring and early summer. During these months, longer daylight hours and higher sun angles contribute to increased energy generation.

Optimal Panel Installation

For fixed solar panel installations in Gimhae, the ideal tilt angle to maximize year-round production is 32 degrees facing south. This angle is calculated based on the location's latitude, solar elevation angles, and weighted by daily photovoltaic potential. By adhering to this optimal tilt, solar systems can capture the maximum amount of sunlight throughout the year, balancing seasonal variations in sun position.

Environmental Factors and Mitigation Strategies

While Gimhae's location is generally favorable for solar energy production, there are some environmental factors to consider: 1. Monsoon season: South Korea experiences a monsoon season from June to September, which can lead to increased cloud cover and rainfall, potentially reducing solar output. To mitigate this, consider using high-efficiency panels that perform well in low-light conditions. 2. Air pollution: Industrial activities and urban pollution can sometimes affect air quality, slightly reducing solar irradiance. Regular panel cleaning and maintenance can help minimize the impact of air pollutants on solar production. 3. Occasional typhoons: The region may experience typhoons, typically between July and September. Ensure that solar installations are securely mounted and use durable, weather-resistant components to withstand high winds and heavy rainfall. By implementing these preventative measures and choosing appropriate equipment, solar energy systems in Gimhae can maintain optimal performance despite these environmental challenges. Overall, while not ideal year-round, Gimhae's solar potential is sufficient to make photovoltaic installations a viable and beneficial energy option for the region.

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 Gimhae

Seasonal solar PV output for Latitude: 35.2619, Longitude: 128.867 (Gimhae, 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 Gimhae, South Korea

To maximize your solar PV system's energy output in Gimhae, South Korea (Lat/Long 35.2619, 128.867) 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 Gimhae, 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 Gimhae, 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 Gimhae, 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 Gimhae, 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 Gimhae, South Korea

Gimhae, South Korea, located at approximately 35.2619°N latitude and 128.867°E longitude, is situated in a diverse topographical region that combines flat lowlands with surrounding hills and mountains. The city itself is primarily built on a broad alluvial plain formed by the Nakdong River, which flows along its western border. This flat terrain gradually transitions into gently rolling hills as one moves away from the river. To the east and northeast of Gimhae, the landscape becomes more rugged, with several small to medium-sized mountains dotting the area. These include Sinbulsan Mountain and Bulmo Mountain, which offer scenic views of the surrounding countryside. The southern part of Gimhae extends towards the coast, where the terrain becomes flatter again as it approaches the sea.

Potential for Large-Scale Solar PV

When considering areas nearby Gimhae for large-scale solar PV installations, several factors come into play. The most suitable locations would be those that offer a combination of ample sunlight exposure, relatively flat terrain, and minimal environmental impact. The expansive lowlands surrounding the Nakdong River, particularly to the west and southwest of Gimhae, present promising opportunities for solar farms. These areas benefit from their flat topography, which simplifies installation and maintenance of solar panels. Additionally, the open nature of the terrain ensures minimal shading from natural obstacles. Some of the gently sloping hillsides to the east and northeast of Gimhae could also be considered for solar PV installations. While these areas may require some terrain modification, they often receive excellent sun exposure due to their elevated positions. However, care must be taken to balance energy production with preservation of the natural landscape and local ecosystems. It's important to note that while the immediate coastal areas south of Gimhae offer flat terrain, they may not be ideal for large-scale solar projects due to potential conflicts with urban development, agricultural use, and ecological considerations. Furthermore, the occasional presence of sea fog in coastal regions could impact solar energy production efficiency. Any large-scale solar PV project in the Gimhae area would need to carefully consider local land use regulations, environmental impact assessments, and the region's weather patterns, including the effects of the monsoon season on solar energy generation. Collaboration with local authorities and environmental experts would be crucial in identifying the most suitable locations that balance energy production needs with environmental and community considerations.

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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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.