Fast track to net-zero
We're empowering businesses to set meaningful net-zero targets, providing the products and tools needed to report zero carbon emissions.
Start your net-zero journey
SmartestEnergy
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Commercial and Industrial
Commercial and Industrial
Commercial 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 Industrial
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Business
Business
Business
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.
Business
SmartFix Renewable Product Guide
Learn more about taking the smartest journey to renewable energy, download our SmartFix renewable product guide.
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Generators
Generators
Generators
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.
Generators
SmartFlex trading portal
Track the market, react to price spikes and trade at the click of a button with SmartFlex, available with our Flexible PPA product.
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About Us
About Us
About 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 Us
Celebrating 20 years of SmartestEnergy
Having 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.
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Info Hub
Info Hub
Info 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 Hub
Download our latest Annual report
In 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.
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Customer Service
Customer Service
Customer 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 Service
Access our online customer tools
Our customer login page provides a dedicated area for customers to access all online tools centrally and easily manage their energy contracts day-to-day
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Contact us
Contact us
Contact 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 us
Join our team and power a revolution
Discover 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 opportunities 
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Informer Issue 659 - 23/07/2024
This week's energy news headlines: Broader action is urged to put the UK back on track for Net Zero; The UK is set to see record power imports this year according to new figures; A new Government taskforce is launched to boost onshore wind. Our industry round-up includes the latest updates from Government departments and energy regulators.
23 07 2024
Read moreNews article - 23 July 2024
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Informer Issue 650 - 21/05/2024
This week's energy news headlines: Business leaders say they need more government support for the Net Zero transition; The system operator forecasts balancing costs will rise out to 2030; Faster progress is needed on the energy infrastructure needed to accommodate more renewables. Our industry round-up includes the latest updates from Government departments and energy regulators
21 05 2024
Read moreNews article - 21 May 2024
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Informer Issue 649 - 14/05/2024
This week's energy news headlines: Renewables reached a record 30% of global power generation last year; An industry body has called for more clarity for existing assets over the REMA reforms; A report finds grid capacity constraints added nearly £1bn of costs to electricity bills last year. Our industry round-up includes the latest updates from Government departments and energy regulators.
13 05 2024
Read moreNews article - 13 May 2024
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Informer Issue 618 - 03/10/2023
This week's energy news headlines: The system operator is predicting slightly higher margins on the grid this winter; Energy firms remain committed to Net Zero despite recent policy changes; UK households could be paid to turn down heating to bolster security of supply; Our industry round-up includes the latest updates from Government departments and energy regulators.
02 10 2023
Read moreNews article - 2 October 2023
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Informer Issue 603 - 20/06/2023
This week's energy news headlines: Labour plans to offer more incentives for communities to host renewable energy projects; The system operator is confident on meeting power demand this winter; The UK remains one of the world’s top markets for renewable investment; Industry round-up includes the latest updates from Government departments and energy regulators.
20 06 2023
Read moreNews article - 20 June 2023
