Traceable Renewable Supply
Enable your business to better report where its renewable power comes from and meet the requirements of a changing policy landscape.
Find out moreCommercial and Industrial
Commercial and Industrial (C&I) businesses and energy consultants can explore our wide range of fixed and flexible contract structures here, with certified 100% renewable electricity available across all our products.
Commercial and IndustrialEnable your business to better report where its renewable power comes from and meet the requirements of a changing policy landscape.
Find out moreBusiness
SmartestEnergy Business offer a range of competitive electricity and gas products to suit any small-medium UK business. Find out how we can help your business reduce your energy costs and protect you against market price uncertainty.
BusinessLearn more about taking the smartest journey to renewable energy, download our SmartFix renewable product guide.
Download the guideGenerators
We offer independent generators a competitive route to market with our various Power Purchase Agreements (PPAs) suitable for renewable and flexible assets. Take advantage of our trading expertise spanning 20 years and find out how we can help you maximise your assets’ potential.
GeneratorsTrack the market, react to price spikes and trade at the click of a button with SmartFlex, available with our Flexible PPA product.
Book a demoAbout Us
SmartestEnergy is a B2B energy company empowering switched-on customers, generators and partners to get to net zero. See how our unique business model sets us apart from our competitors and why the support from our parent company, Marubeni Corporation makes us a stable, well-resourced partner.
About UsHaving been established in 2001, SmartestEnergy celebrates 20 years of shaping the global energy landscape this year and reaffirms our commitment to driving a smarter transition to net-zero globally.
Read moreInfo Hub
All our published content is available within the info Hub, providing everything from the latest industry news to key company updates and insights from our in-house experts. Inform your energy strategy with these resources.
Info HubIn our latest Annual Report and Financial Statements, we reflect on the year 2022-23 and the progress we have made in the months since, recapping our business activities, highlighting our key achievements, and looking towards the future of SmartestEnergy.
Download hereCustomer Service
Here you will find information relating to billing and payments; guidance on how to advise us about a change of tenancy or new meter connection and how to contact our customer service teams for Industrial and Commercial, Business and Smart Generation.
Customer ServiceOur customer login page provides a dedicated area for customers to access all online tools centrally and easily manage their energy contracts day-to-day
Login to our customer portalsContact us
Here you will find the contact details for SmartestEnergy Limited and SmartestEnergy Business, as well as our office locations. Reach our sales and customer services teams via phone or email or submit a general enquiry using our online form.
Contact usDiscover what it’s like to work for a next generation energy company. Search our current job vacancies and apply to be part of the SmartestEnergy team
Explore career opportunitiesFollow the top trending industry topics and regular market updates on our blog
This week's energy news headlines: The new system operator is tasked with developing a blueprint to plan the GB energy system; The Government is advised to commit to an 81% emissions cut by 2035; Small-scale generators have seen a big increase in payouts under a power export scheme. Our industry round-up includes the updates from Govt depts and regulators.
This week's energy news headlines:2025 is forecast to be a breakthrough year for the UK’s energy transition; Business energy customers face higher bills according to a new forecast; Industry leaders urge closer energy trading links between the UK and Europe. Our industry round-up includes the latest updates from Government departments and energy regulators.
This week's energy news headlines: The new system operator is confident on winter power supplies; More than £24bn of private sector investment in UK clean energy is announced; A support scheme to encourage more long-duration storage is unveiled. Our industry round-up includes the latest updates from Government departments and energy regulators.