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.

How is Japan's energy storage landscape changing?

Japan’s energy storage landscape is shifting, pushed by household demand, corporate ESG mandates, and domestic battery manufacturing. The residential lithium-ion market, projected to grow at a CAGR of 33.9% through 2030, remains one of the fastest-expanding segments.

Is commercial PV a good investment in Japan?

“Commercial PV is very attractive in Japan at the moment,” he tells pv magazine. “Subsidies are available and it’s easy to get approval for PV and storage as well.” On the energy storage side, subsidies are available for residential and commercial batteries.

Is rooftop solar a good option for Japan?

That leaves rooftop PV among the most attractive options for further development of renewables in Japan and the government is responding with a series of new subsidies at central and regional level to further incentivize household solar.

Does Japan need a doubling of its PV capacity in 2022?

Inoue also noted in his speech that under current plans, meeting the 2030 targets will require a near-doubling of Japan’s total installed PV capacity, which stood just below 70 GW at the end of 2022.

Why are Japanese companies investing in battery energy storage systems?

Sign up here. That is creating surging interest in battery energy storage systems (BESS) to smooth mismatches in supply and demand. Since December 2023, companies have announced investments of at least $2.6 billion in Japanese battery storage projects, according to calculations by Reuters.