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 536 - 02/11/2021
Over the next two weeks, we'll be bringing you a couple of special 'COP26' editions of our newsletter, The Informer. Today is day three of COP26 and we've heard the opening speeches from Sir David Attenborough, Prince Charles and the Prime Minister, Boris Johnson, who is hosting the conference. We've also heard from world leaders who have outlined their climate plans. The main COP26 headlines so far are: The first major deal has been agreed amongst world leaders to end and restore deforesta...
02 11 2021
Read moreNews article - 2 November 2021
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Informer Issue 529 - 14/09/2021
This week's energy news headlines: BEIS is looking to invest £265m a year to support major green energy projects under the next CfD round; Investors are asking private firms to be more transparent on environmental performance; Wholesale energy prices have continued to set new records as low wind generation and high gas prices persist.
14 09 2021
Read moreNews article - 14 September 2021
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Informer Issue 509 - 27/04/2021
This week's energy news headlines: Falling costs of wind and solar PV could displace fossil fuels from electricity production by 2035; Ofgem announces plans to rollout out half-hourly settlement across the retail market; Power demand is set to recover strongly this year, but emissions are also set to rise.
27 04 2021
Read moreNews article - 27 April 2021
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Informer Issue 483 - 13/10/2020
A significant fall in global energy-related emissions due to Covid-19 could be quickly reversed without a change in government policies; more than £65m of network charges have been deferred under a pandemic relief scheme; and Government has been urged not to overlook wave and tidal power in the dash for offshore wind.
13 10 2020
Read moreNews article - 13 October 2020