As part of core system updates in 2026, customer Account Numbers have changed. Click to read more about what this means for you.
At SEFE Energy, we’re more than just an energy supplier. We help organisations solve some of their biggest challenges, so they can get on with doing what they do best: delivering products and services used by millions of people across Europe every day.
Whatever your energy goals, we offer a range of gas, electricity and green energy products to meet your business needs.
Whether you’re looking for peace of mind with a fully-fixed rate or more control with a flexible contract, as one of the leading business gas suppliers in the UK, SEFE Energy has you covered.
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Hospitals and research trusts have spent the past decade modernising how they diagnose and treat patients, but the energy infrastructure behind that progress has advanced far less. The next stage of healthcare innovation will rely on applying the same data discipline to energy as is already used in clinical systems.
As we approach the end of 2025, I would like to take a moment to thank you for your trust, your collaboration, and the many open and constructive conversations we shared throughout the year.
The UK energy market is undergoing one of its most significant transformations since privatisation and the introduction of the competitive market in 1998. The Market-wide Half-Hourly Settlement (MHHS) programme aims to modernise electricity settlement processes and unlock benefits for consumers and businesses alike.
