Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, what steps his Department is taking to ensure greater compatibility between electric vehicle (EV) chargers, EV models, and electricity providers’ smart tariffs; and whether the Government plans to introduce regulations to prevent anti-competitive practices in the EV charging market that limit consumer access to cheaper overnight electricity rates.

The Government is committed to ensuring consumers can access any electricity tariff for use with their smart electric vehicle (EV) charger, enabling all consumers to benefit from cheaper off-peak electricity. In April 2025, the Government confirmed that it will require electricity suppliers to share tariff data with the consumer’s load controller in a standardised format to facilitate this.

In addition, the Government has committed to working with industry to develop and introduce interoperability standards that ensure that all EV chargepoints are operable by any load controller on behalf of the consumer Further detail can be found here: https://www.gov.uk/government/consultations/delivering-a-smart-and-secure-electricity-system-implementation.