Tata is set to confirm that it will build a battery factory in Somerset.
The Indian parent company of Jaguar Land Rover is poised to announce the site over a competing bid in Spain.
The site near Bridgwater, known as the Gravity Smart Campus, is owned by Salamanca Group, a privately held, London-based merchant bank specialising in property and infrastructure investment. Gravity has been marketed as a site for green economy advanced manufacturing, such as battery production, which could create thousands of local jobs.