Renault E7A EESM motor reaches 200 kW at 800 V with 30% size cut and zero rare earths
Renault's EESM lineage demonstrates a production-viable alternative to permanent-magnet motors. The E7A generation codifies measurable gains in size, voltage, and supply-chain independence. Deployment data from 2027 vehicles will test whether these gains translate into lower pack costs and reduced China exposure.
Renault began volume production of EESM motors in 2011 with the 5A unit on Kangoo Z.E. and Zoe. Successive iterations followed: 6A family entered Megane E-Tech in 2022 at up to 160 kW, then 6AK on R5 E-Tech in 2024. All units are built at the Cléon plant and use wound rotors instead of permanent magnets.
The E7A specification freezes a 30% volume reduction versus the 6A generation, 30% lower carbon impact, and an 800-volt system that shortens DC fast-charge times. Official data state China controls 85% of refined light rare earths and 100% of heavy rare earth magnet supply, exposing magnet-based motors to single-point disruption.
Operationally the design removes rare-earth price volatility from bill-of-materials cost and allows Renault to maintain 400-volt to 800-volt platform flexibility without magnet sourcing contracts. Series deployment in 2027 vehicles will provide the first public efficiency and durability data at scale.
Next milestone is final validation and supplier qualification for the integrated E7A powertrain ahead of 2027 vehicle launches.
Renault: E7A motor enters series production in 2027 model-year vehicles with measured efficiency above 91% and verified absence of rare-earth content in bill of materials.
Sources (3)
- [1]Renault Group technical briefing on EESM motors(https://www.renaultgroup.com/en/magazine/energy-and-powertrains/all-about-electric-motors-with-no-rare-earths/)
- [2]USGS Mineral Commodity Summaries 2024 - Rare Earths(https://pubs.usgs.gov/periodicals/mcs2024/mcs2024-rare-earths.pdf)
- [3]Renault Cléon plant motor production records 2011-2025(https://www.renaultgroup.com/en/news/)