Electricity used for electric vehicles is excluded from the act.
Details here in Gov document: https://www.ofgem.gov.uk/sites/default/files/docs/2014/03/mrp_decision.pdf
Specifically page 4 if you want to cut the waffle.
Exclusion
2.
This direction does not apply where electricity supplied
by an authorised supplier is
resold by any person from a charge point for use by an electric motor vehicle.
Details here in Gov document: https://www.ofgem.gov.uk/sites/default/files/docs/2014/03/mrp_decision.pdf
Specifically page 4 if you want to cut the waffle.
Exclusion
2.
This direction does not apply where electricity supplied
by an authorised supplier is
resold by any person from a charge point for use by an electric motor vehicle.
