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 655 - 25/06/2024
This week's energy news headlines: The UK is increasingly attractive to global renewables investors; A report warns momentum is stalling on the energy transition; Industry leaders have welcomed a pledge to relax restrictions on onshore wind. Our industry round-up includes the latest updates from Government departments and energy regulators.
25 06 2024
Read moreNews article - 25 June 2024
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Informer Issue 654 - 18/06/2024
This week's energy news headlines: The main political parties have set out their proposals on energy and climate change; Plans for a demand flexibility service to support the grid all-year round are announced; GB has been named one of the top markets for co-located renewables. Our industry round-up includes the latest updates from Government departments and energy regulators.
18 06 2024
Read moreNews article - 18 June 2024
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Informer Issue 518 - 29/06/2021
This week's energy news headlines: The demand for 100% renewable energy from leading companies is rising strongly; A report says the Government has failed to come up with the policies to achieve its ambitions on emissions reduction; Rising raw material costs could temporarily push up the price of renewable energy projects.
29 06 2021
Read moreNews article - 29 June 2021
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Informer Issue 502 - 02/03/2021
National Grid predicts tight system margins for later this week; Government announces that the UK's post-Brexit Emissions Trading System is set to launch in May; and a ‘ground-breaking’ change to the BSC will enable assets such as storage to play a greater role in balancing the system.
02 03 2021
Read moreNews article - 2 March 2021
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Informer Issue 501 - 23/02/2021
Works gets underway on a digital energy map to harness the power of data to support the push to net zero; a High Court judge quashes Government approval for a 1.8GW offshore wind project; and a think-tank says the Texas blackouts highlight the need for GB to be ready for ‘Black Swan’ events.
23 02 2021
Read moreNews article - 23 February 2021