Solar Energy Potential in Kariya, Aichi, Japan

Kariya, Aichi, Japan, located at latitude 35.0105 and longitude 137.006, offers a promising location for solar energy generation throughout the year. Situated in the Northern Temperate Zone, this city experiences distinct seasonal variations in solar energy production.

The solar energy output in Kariya follows a predictable pattern, with peak production occurring during the summer months. For each kilowatt of installed solar capacity, the average daily electricity generation is as follows:

• Summer: 5.24 kWh/day
• Spring: 5.14 kWh/day
• Autumn: 3.81 kWh/day
• Winter: 2.99 kWh/day

These figures indicate that Kariya experiences optimal solar energy production from late spring through early autumn. The extended daylight hours and higher sun angles during this period contribute to increased energy generation. However, even during the winter months, the region still maintains a respectable level of solar output.

Maximizing Solar Panel Efficiency

To maximize year-round solar energy production in Kariya, Aichi, fixed solar panels should be installed at a tilt angle of 32 degrees facing south. This optimal angle has been calculated taking into account the city's latitude, seasonal sun positions, and local solar irradiance data.

Environmental Considerations

While Kariya generally offers favorable conditions for solar energy production, there are a few environmental factors to consider. The region experiences a rainy season, typically from June to July, which may temporarily reduce solar output. Additionally, occasional typhoons in late summer and early autumn can bring heavy cloud cover and strong winds.

To mitigate these challenges, solar installations in Kariya should incorporate robust mounting systems capable of withstanding high winds. Regular cleaning and maintenance of panels, especially after storms or during periods of high pollen count, can help maintain optimal efficiency. Furthermore, investing in high-quality, water-resistant solar panels can ensure better performance during wet conditions.

Despite these considerations, Kariya remains an ideal location for solar energy production, with its generally mild climate and ample sunlight throughout most of the year. By implementing appropriate preventative measures and optimizing panel placement, solar installations in this area can achieve excellent year-round energy generation.

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 187 locations across Japan. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Japan by location

Solar output per kW of installed solar PV by season in Kariya

Seasonal solar PV output for Latitude: 35.0105, Longitude: 137.006 (Kariya, Japan), 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:

Average 5.24kWh/day in Summer.

Average 3.81kWh/day in Autumn.

Average 2.99kWh/day in Winter.

Average 5.14kWh/day in Spring.

Ideally tilt fixed solar panels 32° South in Kariya, Japan

To maximize your solar PV system's energy output in Kariya, Japan (Lat/Long 35.0105, 137.006) 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.

At Latitude: 35.0105, Longitude: 137.006, the ideal angle to tilt panels is 32° South

Seasonally adjusted solar panel tilt angles for Kariya, Japan

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 Kariya, Japan. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.

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 Kariya, Japan

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 Kariya, Japan.

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 Kariya, Japan

Kariya, Japan, located at 35.0105°N latitude and 137.006°E longitude, is situated in a relatively flat area within the larger Aichi Prefecture. The city itself is part of the Nōbi Plain, a vast lowland region that extends across parts of Aichi, Gifu, and Mie prefectures. This plain is characterized by its generally level terrain, with only subtle variations in elevation throughout much of the area.

To the east and northeast of Kariya, the land gradually rises towards the Mikawa Highlands, a series of low hills and plateaus that separate the Nōbi Plain from the Pacific coast. These highlands, while not particularly tall, provide some topographical contrast to the flatter areas around Kariya. To the south and southeast, the terrain remains relatively flat as it approaches Mikawa Bay, an inlet of the Pacific Ocean.

The western and northwestern parts of the region continue the flat to gently rolling landscape of the Nōbi Plain, with occasional small rivers and streams cutting through the terrain. This area is heavily urbanized and industrialized, with cities like Nagoya dominating the landscape.

For large-scale solar PV installations, the most suitable areas near Kariya would likely be found in the flatter portions of the Nōbi Plain, particularly to the west and northwest of the city. These areas offer several advantages for solar energy development:

1. The flat terrain reduces the need for extensive land preparation and allows for easier installation of solar panels.
2. There are fewer natural obstacles that could cast shadows on the panels, maximizing sun exposure throughout the day.
3. The region's proximity to major urban and industrial centers means that the energy produced could be easily transmitted to areas of high demand.

However, it's important to note that much of this land is already in use for agriculture or urban development. Therefore, the most practical locations for large-scale solar PV might be on the outskirts of urban areas or on less productive agricultural land. Additionally, some of the gently sloping areas in the Mikawa Highlands to the east could also be considered, as they may receive good sun exposure and have less competition for land use.

Any solar PV development would need to carefully balance the region's energy needs with preservation of valuable agricultural land and consideration of local environmental factors. Rooftop solar installations on large industrial buildings in and around Kariya could also be a viable alternative to ground-mounted systems, making use of existing structures in this heavily industrialized area.

Japan solar PV Stats as a country

Japan ranks 3rd in the world for cumulative solar PV capacity, with 74,191 total MW's of solar PV installed. This means that 8.30% of Japan's total energy as a country comes from solar PV (that's 9th in the world). Each year Japan is generating 590 Watts from solar PV per capita (Japan ranks 4th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Japan?

Yes, there are several incentives for businesses wanting to install solar energy in Japan. These include the Feed-in Tariff (FIT) program, which provides a fixed price for electricity generated from renewable sources such as solar; subsidies and grants from local governments; tax credits; and loans with low interest rates. Additionally, businesses may be eligible for additional incentives depending on their location and type of installation.

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

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.

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