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Flag of JapanSolar PV Analysis of Minokamo, Japan

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Minokamo, Japan (by season)

Minokamo, Gifu, Japan, located at 35.452°N, 137.0306°E, offers a moderately favorable environment for solar energy production throughout the year. This Northern Temperate Zone location experiences distinct seasonal variations in solar output, with peak performance during the summer months.

Seasonal Solar Performance

Solar panels in Minokamo can expect to generate varying amounts of electricity depending on the season. Summer yields the highest output at 5.23 kWh per day for each kilowatt of installed capacity. Spring follows closely behind with 5.11 kWh/day. Autumn sees a decrease to 3.76 kWh/day, while winter experiences the lowest production at 2.93 kWh/day.

The most ideal times for solar generation in Minokamo are from late spring through early autumn. During these months, longer daylight hours and higher sun angles contribute to increased energy production. However, even in winter, solar panels continue to generate a significant amount of electricity, making year-round solar installation viable in this location.

Optimal Panel Tilt

For fixed solar panel installations in Minokamo, Gifu, the ideal tilt angle to maximize year-round energy production is 32 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for seasonal variations in the sun's position.

Environmental Considerations

While Minokamo generally provides favorable conditions for solar energy production, there are some environmental factors to consider:

  • Snowfall: Minokamo experiences snowfall in winter, which can temporarily reduce solar panel efficiency. Installing panels at the optimal angle helps snow slide off more easily.
  • Cloudy days: The region has a moderate number of overcast days, particularly during the rainy season. Using high-efficiency panels can help maximize energy production even in diffuse light conditions.

To mitigate these factors, regular panel maintenance, including snow removal when necessary, is recommended. Additionally, investing in quality inverters and considering a ground-mounted system for easier access can enhance overall system performance and longevity.

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 Minokamo

Seasonal solar PV output for Latitude: 35.452, Longitude: 137.0306 (Minokamo, 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:

Summer
Average 5.23kWh/day in Summer.
Autumn
Average 3.76kWh/day in Autumn.
Winter
Average 2.93kWh/day in Winter.
Spring
Average 5.11kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Minokamo, Japan (Lat/Long 35.452, 137.0306) 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.

The sun
At Latitude: 35.452, Longitude: 137.0306, the ideal angle to tilt panels is 32° South

Seasonally adjusted solar panel tilt angles for Minokamo, 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 Minokamo, Japan. 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 29° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Minokamo, Japan as follows: In Summer, set the angle of your panels to 19° facing South. In Autumn, tilt panels to 41° facing South for maximum generation. During Winter, adjust your solar panels to a 50° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 29° angle facing South to capture the most solar energy in Minokamo, Japan.

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 Minokamo, 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 Minokamo, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Minokamo, Japan

Minokamo, located in Gifu Prefecture, Japan, is situated in a region characterized by diverse topography. The city itself lies in a relatively flat river valley, nestled between more elevated terrain. To the east and west of Minokamo, the landscape gradually rises into rolling hills and forested areas, creating a picturesque backdrop for the urban center. The Kiso River, a major waterway in the region, flows through Minokamo, shaping the local geography and providing a vital water source for the area. The river valley where Minokamo is situated offers some of the flattest terrain in the vicinity, with gentle slopes and open spaces. As one moves away from the city center, the topography becomes more varied. To the east, the land begins to rise more steeply, eventually transitioning into the foothills of the Aichi Highlands. These areas feature a mix of forested slopes and terraced agricultural lands, creating a patchwork of green spaces and cultivated fields.

Potential for Large-Scale Solar PV

When considering areas suitable for large-scale solar photovoltaic (PV) installations near Minokamo, several factors come into play. The most promising locations would likely be found in the flatter areas of the river valley, particularly to the north and south of the city. These regions offer relatively level ground, which is ideal for the installation of solar panels, as it reduces the need for extensive land preparation and maximizes sun exposure. The gently sloping hillsides to the east and west of Minokamo could also be potential sites for solar farms. While these areas may require some terraforming, they often receive good sunlight and could accommodate large arrays of panels. However, care would need to be taken to balance solar development with the preservation of agricultural land and forested areas, which are important for the local ecosystem and economy. It's worth noting that while the immediate vicinity of Minokamo offers some suitable areas for solar PV, the most ideal locations might be found slightly further afield, where there are larger tracts of open, flat land. These areas would provide the space needed for truly large-scale installations without significantly impacting urban development or valuable agricultural resources. Any solar PV project in this region would need to take into account local weather patterns, including the potential for heavy rainfall and occasional snowfall in winter. Additionally, environmental impact assessments and community consultations would be crucial to ensure that any large-scale solar development aligns with local needs and preserves the natural beauty of the area surrounding Minokamo.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Minokamo, Japan
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 21st of February 2025
Last Updated: Monday 21st of July 2025

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Compare this location to others worldwide for solar PV potential

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