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Renewable energy for business UK 2026: REGOs, green tariffs and greenwashing

REGOs are real but rarely additional. The 2026 UK reality of business green tariffs, corporate PPAs, on-site solar and Scope 2 reporting.

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Chandraketu Tripathi
Finance Editor, Kaeltripton
Published 19 May 2026
Last reviewed 17 Jun 2026
✓ Fact-checked
Two women analyze a line graph on a screen.

Photo by Giorgio Tomassetti on Unsplash

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UK businesses can source renewable electricity via: a tariff backed by Renewable Energy Guarantees of Origin (REGOs) from a licensed supplier; a Power Purchase Agreement (PPA) directly with a renewable generator; or on-site generation (solar panels, wind turbines). REGO-backed tariffs qualify for Climate Change Levy exemption with a Levy Exemption Certificate. The Smart Export Guarantee pays businesses for surplus electricity exported to the grid (Ofgem, DESNZ, 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.

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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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