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 666 - 10/09/2024
This week's energy news headlines: The UK’s pipeline of onshore wind projects has grown significantly; Power imports from the continent are costing more than £250m a month; The UK’s last operational coal power station will close later this month. Our industry round-up includes the latest updates from Government departments and energy regulators.
10 09 2024
Read moreNews article - 10 September 2024
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Informer Issue 665 - 03/09/2024
This week's energy news headlines: 131 projects secure backing in the latest CfD auction round; The regulator decides not to intervene on power market liquidity; Trials of consumer flexibility have highlighted its potential for the grid. Our industry round-up includes the latest updates from Government departments and energy regulators.
03 09 2024
Read moreNews article - 3 September 2024
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Informer Issue 664 - 27/08/2024
This week's energy news headlines: Interim changes ahead of connections reforms get the green light; A new process is launched to help energy innovators access funding; The next steps in a shake-up of energy regulation are announced. Our industry round-up includes the latest updates from Government departments and energy regulators.
27 08 2024
Read moreNews article - 27 August 2024
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Informer Issue 648 - 07/05/2024
This week's energy news headlines: The pipeline of battery storage projects across the UK jumped by two-thirds last year; The Government’s climate strategy has been dealt a legal blow; A project is launched to tackle grid bottlenecks and enable more renewable power. Our industry round-up includes the latest updates from Government departments and energy regulators.
07 05 2024
Read moreNews article - 7 May 2024
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Informer Issue 644 - 09/04/2024
This week's energy news headlines: Ofgem is to introduce new rules to better protect non-domestic energy customers; UK energy production falls to its lowest levels since records began; Plans for a fleet of new small nuclear reactors win Government backing. Our industry round-up includes the latest updates from Government departments and energy regulators.
09 04 2024
Read moreNews article - 9 April 2024
