Jaguar Land Rover (JLR), a subsidiary of India-based Tata Motors Limited, plans to invest £500m ($669 million) to revamp its electric vehicle (EV) factory in Halewood, a small town outside Liverpool.

Last September, JLR announced it would invest £500m into the Halewood site as it prepares the site to produce electric vehicles. JLR had already invested £250m and commissioned one million hours ...