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Commercial energy UK 2026: the contract structures that catch buyers

UK commercial energy contracts come in five structures, each shifting risk differently. The 2026 reality of fixed, pass-through and flex.

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Chandraketu Tripathi
Finance Editor, Kaeltripton
Published 19 May 2026
Last reviewed 17 Jun 2026
✓ Fact-checked
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Commercial energy contracts in the UK are agreed between businesses and licensed Ofgem suppliers outside the domestic price cap framework. Micro-businesses (fewer than 10 employees, turnover under €2 million) receive additional protections under Ofgem's Supply Licence Conditions and the Business Energy Code of Practice. Larger businesses negotiate directly with suppliers or use brokers. VAT on business energy is 20% unless the business qualifies for the 5% reduced rate (Ofgem, HMRC, 2026).

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The content on Kaeltripton.com is for informational and educational purposes only and does not constitute financial, investment, tax, legal or regulatory advice. Kaeltripton.com is not authorised or regulated by the Financial Conduct Authority (FCA) and is not a financial adviser, mortgage broker, insurance intermediary or investment firm. Nothing on this site should be construed as a personal recommendation. Rates, figures and product details are indicative only, subject to change without notice, and should always be verified directly with the relevant provider, HMRC, the FCA register, the Bank of England, Ofgem or other appropriate authority before any financial decision is made. Past performance is not a reliable indicator of future results. If you require regulated financial advice, please consult a qualified adviser authorised by the FCA.

CT
Chandraketu Tripathi
Finance Editor · Kaeltripton.com
Chandraketu (CK) Tripathi, founder and lead editor of Kael Tripton. 22 years in finance and marketing across 23 markets. Writes on UK personal finance, tax, mortgages, insurance, energy, and investing. Sources: HMRC, FCA, Ofgem, BoE, ONS.

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