Statkraft & Aquabattery to partner on development of ‘table salt and water’ flow battery

December 12, 2023

Norwegian renewables company Statkraft and Dutch climate tech start-up Aquabattery are to partner on the development of a long duration energy storage (LDES) flow battery technology that uses table salt and water.

LDES is energy storage with duration exceeding six hours – currently, most large-scale battery energy storage systems typically have a duration of between one and four hours.

Statkraft and Aquabattery are partnering to develop a pilot to test the technology in Delft, The Netherlands

“LDES will play a pivotal role in creating a sustainable and stable energy system globally and regulating the shifting supply of green energy as more and more countries transition away from fossil sources,” an Aquabattery statement said.

Statkraft CEO Christian Rynning-Tønnesen commented: “Aquabattery’s new technology is promising. It has the potential to accelerate and revolutionise the development of long duration energy storage. Without the right mix of energy storage in the system, we risk slowing the pace of wind and solar rollout, and consequently the green transition.”

Jiajun Cen, CEO and co-founder of Aquabattery, said: “Partnering with Statkraft is an important step to validate the unique value proposition of Aquabattery and de-risk the route to the solar and wind generation market. Being a European climate tech innovator means creating not only a new alternative for long duration energy storage, but also a better alternative with regards to battery sustainability, safety and supply chain resilience. By using two of the world’s most abundant and cheap materials, table salt and water, Aquabattery is doing just that.”