Japan s energy storage project construction budget

Why are battery storage projects growing in Japan?

The ramp up of battery storage projects in Japan continues apace, aided by growing subsidy avenues and rising volumes on various electricity markets, from spot to balancing to capacity.

How much do Japanese companies spend on battery storage projects?

Since December 2023, companies have announced investments of at least $2.6 billion in Japanese battery storage projects, according to calculations by Reuters. That includes $677 million in spending by Japanese real estate firm Hulic (3003.T) announced in January and $1.3 billion by trading house Sumitomo (8053.T) last year.

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.

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 big is Japan's battery storage capacity?

Rystad forecasts Japan's battery storage capacity could reach about 4 GW based on projects under construction, planned and awarded, which would require $6 billion in investment.

What will Japan's energy future look like by 2030?

By 2030, official estimates show variable renewable energy reaching 20% of Japan’s power mix. Noting the demand case and ever-growing renewables curtailment numbers nationwide, more and more firms are tapping into Japan’s battery storage opportunities. We take a look at some of the prominent projects on the horizon.