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 636 - 13/02/2024
This week's headlines: The UK becomes the first’s major economy to halve emissions; Labour defends dropping a pledge to spend £28bn a year on the green economy; The system operator is to admit up to 300MW of aggregated assets into the Balancing Mechanism. Our industry round-up includes the latest updates from Government departments and energy regulators.
13 02 2024
Read moreNews article - 13 February 2024
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Informer Issue 635 - 06/02/2024
This week's headlines: The regulator is to investigate claims that some wind farms benefitted by overestimating output; Targets for the upcoming Capacity Market auctions have been confirmed; A survey finds only 4% of smaller firms are measuring their carbon emissions; Our industry round-up includes the latest updates from Government departments and energy regulators.
06 02 2024
Read moreNews article - 6 February 2024
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Informer Issue 634 - 30/01/2024
This week's headlines: The Government faces a legal challenge to its approach to onshore wind; The name of the new energy system operator is unveiled; Latest annual figures show Scottish renewable generation met more than the nation’s energy demand; Our industry round-up includes the latest updates from Government departments and energy regulators.
30 01 2024
Read moreNews article - 30 January 2024
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Informer Issue 633 - 23/01/2024
This week's energy news headlines: Over 2.2m businesses and homes have signed up for the Demand Flexibility Service; Changes to the way constraint management is handled are needed to boost renewables; The Government has announced plans for a new wave of support to help businesses across the UK to cut their emissions and energy bills; Our industry round-up includes the latest updates from Government departments and energy regulators.
23 01 2024
Read moreNews article - 23 January 2024
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Informer Issue 629 - 19/12/2023
This week's energy news headlines: The system operator launches the first stage of a new balancing platform; £2bn of backing is announced for green hydrogen projects to power businesses; World leaders agree to a move away from fossil fuels but environmentalists say it falls short of what is needed; Our industry round-up includes the latest updates from Government departments and energy regulators.
19 12 2023
Read moreNews article - 19 December 2023
