4 FAQs about Japan solar energy storage power supply direct sales price

How much is the Japan solar power market worth?

OCCTO auction granted 1.2 GW storage, bolstering grids and national market momentum.Chicago, July 11, 2025 (GLOBE NEWSWIRE) -- The Japan solar power generation market was valued at US$ 3.32 billion in 2024 and is expected to reach US$ 12.21 billion by 2033, growing at a CAGR of 8.15% during the forecast period 2025–2033.

How much does solar power cost in Japan?

METI will also set the rates for solar power generation for homes at 24 yen (up to 4 years) and 8.3 yen (5 to 10 years), and the rates for solar power generation for businesses (roof installation) at 19 yen (up to 5 years) and 8.3 yen (6 to 20 years). Bidding will be conducted to decide the FY2025 purchase price.

How much solar power does Japan have in 2024?

Japan's solar capacity reached 100 GW in 2024, buoyed by feed-in premiums and GX incentives. Automotive chargers, steel PPAs, and 200,000 rooftops intensify adoption nationwide. OCCTO auction granted 1.2 GW storage, bolstering grids and national market momentum.

What is Japan's energy storage policy?

As policy, technology, and decarbonization goals converge, Japan is positioning energy storage as a critical link between its climate targets and energy reliability. Japan's energy storage policy is anchored by the Ministry of Economy, Trade and Industry (METI), which outlined its ambitions in the 6th Strategic Energy Plan, adopted in 2021.

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