Renault Partners with Powervault to Cut Home Battery Costs by 30%

Energy storage company Powervault announced a strategic partnership with French automaker Renault, aiming to slash smart home battery costs by 30%.

Renault will contribute 50 second‑life EV batteries for a pilot program that evaluates their performance in residential storage solutions.

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M&S Energy customers and schools across South East England will participate in the test.

Powervault sees cost reductions and long‑term savings as a key driver that could bring home energy storage to the UK mainstream market.

“The collaboration we are announcing today with these two household name brands – Renault and M&S – is an important milestone on our journey towards achieving mainstream adoption of home energy storage,” said Joe Warren, Managing Director of Powervault.

“Homeowners and brands are now looking to benefit from the smart power revolution. It’s only a matter of time before a Powervault becomes as common in households as a dishwasher.”

How It Works

Powervault harnesses excess solar generation, storing it in batteries for use during nighttime. It also draws from the grid during off‑peak periods, lowering electricity costs for homes lacking solar panels.

The company forecasts sales of 30,000 Powervault units by 2020, backed by the installation of 842,000 solar panels across the UK in the past five years.