Jonny Smith from the Late Brake Show does a great summary of the best electric MX5 to date, an awesome build by Chris and his team at Zero EV.
Zero EV offer everything you need to convert an your car to EV here and they are based in Bristol UK: Electric Vechicle Parts Store - Zero EV (zero-ev.co.uk)
How they built it:
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5