Please contact your Account Manager directly or use the details below to contact us with your enquiry.
To speak with someone about your enquiry, use the following phone numbers:
Business Electricity (supply) enquiries: +44 (0)1473 234150
Power Purchase (generation) enquiries: +44 (0)1473 234157
General enquiries: +44 (0)20 7448 0900
Christmas opening hours
Please be aware of SmartestEnergy’s UK office opening hours over the festive season if you’re looking to contact a member of the Trading team or Customer Service team:
- 24th December 2019 (Christmas Eve): 8.30am – 1pm
- 25th December 2019 (Christmas Day): Closed
- 26th December 2019 (Boxing Day): Closed
- 27th December 2019: 8.30am – 5pm
- 30th December 2019: 8.30am – 5pm
- 31st December 2019 (New Year’s Eve): 8.30am – 1pm
- 1st January 2020 (New Year’s Day): Closed
For general enquiries, please use the form at the bottom of this page. For all other enquiries, choose an option below:
SmartestEnergy has offices in the following locations:
Our aim is to give you excellent customer service, but we acknowledge that sometimes we might get it wrong. Please let us know as soon as you have a complaint so we can work with you to put it right quickly.
Report energy theft
Tampering with electricity meters can be dangerous. If you see or suspect energy theft, please report it to Stay Energy Safe by calling 0800 023 2777 or using their online form.