Jurisdiction(s):
United Kingdom

Related legal acts

Key definition

Brexit definition

What does Brexit mean? Brexit is the practical shorthand in legal drafting and advice for the United Kingdom’s withdrawal from the European Union and the legal, regulatory and trading changes flowing from it. It covers the UK’s cessation of EU membership on exit day (31 January 2020) and the cessation of the EEA Agreement’s application, the end of the implementation/transition period on IP completion day (31 December 2020), and the commencement, expiry or variation of post‑withdrawal trading and regulatory arrangements, including the UK‑EU Trade and Cooperation Agreement, the Windsor Framework (amending the Northern Ireland Protocol), and UK agreements with third countries...

Energy storage in Great Britain: licensing, final consumption levies, network charging, renewables subsidy co-location (RO/CfD/FiT/SEG), unbundling, and the new LDES cap-and-floor regime

Published by a LexisNexis Energy expert

Practice notes

Brexit impact

As of 31 January 2020 (Exit day), the UK ceased to be an EU Member State and entered an implementation phase during which, for many purposes, the EU continued to treat the UK as if it were still a Member State. At 11 pm (GMT) on 31 December 2020, that transition/implementation phase ended. From that moment (known in UK law as ‘IP completion day’), principal transitional arrangements expired and notable changes started to take effect across the UK’s legal framework. Any amendments relevant to this material will be outlined below in due course. For details on how departure from the EU will affect Great Britain’s (GB) renewable energy sector, see Practice Note: Energy and Brexit—renewable energy, which tracks the main publications and announcements issued to date regarding Brexit and the Great Britain (GB) renewable energy sector. It also supplies a brief explanation of the principal areas where Brexit will have a defined and immediate legal impact on the renewables sector. It includes attention on Brexit and Renewable Energy Guarantees of Origin (REGOs); Brexit and Guarantees of Origin of Electricity Produced from High‑efficiency Cogeneration (CHPGOs); and Brexit and the Renewables Obligation (RO), Feed‑in Tariffs (FiTs), as outlined in the Practice...

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Alexander Uff

Quadrant Chambers

Alexander Uff has over two decades of experience as a specialist in international commercial and investment treaty arbitration. Originally qualified as a barrister, Alexander was a partner in an elite global arbitration practice at Shearman & Sterling LLP for several years before joining Quadrant Chambers in 2021. He provides advice, representation and advocacy to corporations, States and State-owned entities in complex international commercial and investment treaty arbitrations, and also sits as an arbitrator. Alexander’s work has focused in recent years on disputes in the energy, mining and construction / infrastructure sectors, investment treaty claims and commercial disputes, while his experience covers numerous other industries and subject matters including M&A, shareholder and joint venture disputes, pharmaceuticals, IP and licensing, retail, food industries, aviation, agribusiness and insurance, among others....

Web page updated on 21/05/2026

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