Energy Vault Holdings, Inc. (NYSE:NRGV) features in our list of the best AI energy stocks to buy in 2026.
On April 9, 2026, Energy Vault Holdings, Inc. (NYSE:NRGV) announced that it would enter Japan through a binding agreement, acquiring an 850 MW battery energy storage system project pipeline from a domestic developer. The move provides the company with an immediate entry into one of the fastest-growing storage markets among developed economies.
The portfolio includes 350 MW of advanced-stage projects, expected to begin construction in the second half of 2027 and reach commercial operation in the second half of 2028, along with 500 MW of early-stage projects, expanding the company’s multi-year pipeline.
Energy Vault Holdings, Inc. (NYSE:NRGV) highlighted that the transaction also adds an established local team, bringing expertise in land rights, permitting, and utility interconnections as Japan’s storage market expands amid grid constraints, increasing renewable penetration, and a projected BESS capacity CAGR of over 50%.
Additionally, Energy Vault Holdings, Inc. (NYSE:NRGV) expects to combine this local presence with its VaultOS energy management software, B-VAULT AC platform, and technology-agnostic battery strategy, including sodium-ion commercialization initiatives. It added that its global portfolio now exceeds 1 GW under operation or construction and is expected to generate more than $180 million in recurring annual EBITDA once fully built out.
Energy Vault Holdings, Inc. (NYSE:NRGV) develops, deploys, and operates utility-scale energy storage systems. Its offerings include battery, gravity, and green hydrogen storage technologies, supported by an energy management software and integration platform for utilities, independent power producers, and large industrial users.
While we acknowledge the risk and potential of NRGV as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than NRGV and that has 10,000% upside potential, check out our report about this cheapest AI stock.
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