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 journeyThe Government’s Energy Relief Schemes - Customer and Partner Updates
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 IndustrialWe're empowering businesses to set meaningful net-zero targets, providing the products and tools needed to report zero carbon emissions.
Start your net-zero journeyBusiness
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.
BusinessLearn more about taking the smartest journey to renewable energy, download our SmartFix renewable product guide.
Download the guideGenerators
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.
GeneratorsTrack the market, react to price spikes and trade at the click of a button with SmartFlex, available with our Flexible PPA product.
Book a demoAbout 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 UsHaving 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.
Read moreInfo 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 HubIn 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.
Download hereCustomer 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 ServiceOur customer login page provides a dedicated area for customers to access all online tools centrally and easily manage their energy contracts day-to-day
Login to our customer portalsContact 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 usDiscover 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 opportunitiesPage 3 of 3
Demand for power is expected to double by 2050; SSE launches an appeal over changes to TNUoS charges; and plans for a hybrid wind/nuclear plant in Wales are unveiled.
19 01 2021
News article - 19 January 2021
After the System Operator published its Summer Outlook, it is clear that summer demand can be met. In this blog, Head of Marketing, Mike Shirley looks at the issues facing National Grid this summer, and what market participants can do to meet the needs of the grid. In the first Summer Outlook since the Electricity System Operator (ESO) was spun off from the Transmission Owner, peak electricity demand for this summer has been estimated at 33.7GW, a reduction of 200MW on last year’s peak summer f...
05 04 2019
Blog - 5 April 2019
Earlier this week, National Grid published the confirmed Winter 2018/19 Triad periods. In this blog, Business Development Manager for Asset Optimisation, Lisa Bunting, looks at the savings businesses would have made from reducing their consumption during these peak periods and how they can take the next steps to make the most of their flexibility. Triads are the three highest half hourly periods of demand usually between 4pm-7pm throughout November to February. These three half hourly periods c...
28 03 2019
Blog - 28 March 2019
The December 2019 Energy Savings Opportunity Scheme (ESOS) deadline is looming, so is your business on track? Michael Watts, I&C Strategic Manager, reviews the lessons learned in Phase 1, how your business can prepare for Phase 2, and the actions needed to reach your full energy potential. With the ESOS Phase 2 deadline less than a year away – 5th December 2019 – now is the time to identify and realise the energy saving opportunities in your operations. With approximately 10,000 UK business...
17 03 2019
Blog - 17 March 2019