Japan Next-Generation Farmers Cultivate Crops and Solar Energy

Renewable Energy World.COM
11 October 2013
Farmers in Japan can now generate solar electricity while growing crops on the same farmland. In April, the Ministry of Agriculture, Forestry and Fisheries (MAFF) approved installation of PV systems on existing, crop-producing farmland. Previously solar generation on farmland, productive or idle, was prohibited under the Agricultural Land Act.

This co-existence or double-generation is known as “Solar Sharing” in Japan. The concept was originally developed by Akira Nagashima in 2004, who was a retired agricultural machinery engineer who later studied biology and learned the “light saturation point.” The rate of photosynthesis increases as the irradiance level is increased; however at one point, any further increase in the amount of light that strikes the plant does not cause any increase to the rate of photosynthesis.  Read more

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Market Segment
System Size
Total Capacity
Residential
0 - 30 kWp
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Commercial and Industrial (C&I) - SSEG
30kWp - 1MWp
--
C&I Large Scale and utility scale
1MWP - 50MWp
--
Utility Scale
> 50MWp
--
TOTAL
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