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All Energy Companies A to Z

Energy Suppliers » All companies A to Z

Profiles of every company holding an active Ofgem gas or electricity licence as a supplier, shipper, transporter, network operator, interconnector or system operator. Companies holding only an electricity generation licence are listed on the electricity generation page.

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Disclaimer: This directory is provided for general information only. It is based on the Ofgem licensee registers dated 10 August 2026 and details may have changed since. Licence lists are not formal public register documents and should not be relied upon. This is not a government website and we are not affiliated with Ofgem, Companies House, Trustpilot or any company listed. Always verify details with the company or the relevant official register before acting on them.
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