🇯🇵Solar Energy in Japan
Pioneer in solar technology with significant investments in renewable energy following the Fukushima incident.
Total Installed Capacity
78.4 GW
Annual Installation (2023)
6.8 GW
Global Market Share
15% of Asia-Pacific installations
Regional Solar Potential
Average Irradiance
4.3 kWh/m²/day
Top Regions
kyushu4.5 kWh/m²/day
kanto4.2 kWh/m²/day
tohoku4.0 kWh/m²/day
hokkaido3.8 kWh/m²/day
kansai4.3 kWh/m²/day
Major Solar Projects
Setouchi Kirei Solar Park
Okayama Prefecture
235 MW
Tahara Solar-Wind Project
Aichi Prefecture
150 MW
Ukujima Solar Project
Nagasaki Prefecture
480 MW
Policy Framework
Strategic Energy Plan
36-38% renewable energy by 2030
Green Growth Strategy
Carbon neutrality by 2050
Power System Reform
Market liberalization and grid modernization
Solar Incentives
Feed-in Tariff (FIT)
Premium rates for renewable energy generation
Zero Energy House Support
Subsidies for residential solar and energy efficiency
Power Purchase Agreements
Corporate renewable energy procurement framework
Regional Promotion Programs
Local government support for solar installations
Market Trends
- Growth in floating solar installations
- Integration of battery storage systems
- Development of smart grid technologies
- Expansion of virtual power plants
- Innovation in building-integrated PV
Key Challenges
- Limited land availability
- Grid connection constraints
- High installation costs
- Natural disaster resilience requirements