Clare King
Partner | London
“Clare King had excellent industry knowledge and experience for the negotiations we were undertaking with another renewable energy development company. It was also very helpful to draw on her litigation colleagues for advice, where necessary.”
The Legal 500, 2025
Call: 0345 128 6950 | Mobile: 0796 613 2828
About Clare
Clare has been an energy lawyer since 2006 and heads the firm’s Clean Energy, Waste & Sustainability sector group. She specialises in clean energy projects, focussing on commercial, regulatory and transactional work. She acts for project developers, equity and debt investors, joint venture partners, major energy consumers, aggregators and suppliers, supporting clients in asset evaluation, structuring, due diligence, transaction management, contract development and deal execution.
Clare has been recognised as one of the Top 40 Women Leaders in Energy Storage.
Clare has a Natural Sciences degree from Durham University and a Law degree from Cambridge University. She trained at Hogan Lovells International and worked in their Energy & Infrastructure team for five years post-qualification, following which she was a senior member of the Energy Projects team at Osborne Clarke before joining Freeths in September 2018.
Clare King is listed as a Recommended Lawyer in The Legal 500 (2025 edition). She is also listed as a Leading Individual in Chambers & Partners (2025 edition).
Contact Clare
Call: 0345 128 6950
Mobile: 0796 613 2828
Notable work & expertise
Clare’s experience includes ground- and roof-mounted solar PV, onshore and offshore wind, battery storage, energy from waste (including anaerobic digestion, gas-to-grid, gasification and pyrolysis), electric vehicle charging infrastructure, CHP, peaking plant, asset aggregation and virtual power plants, public and private electricity and heat networks, and energy services. She also advises on low carbon business, sustainability and energy efficiency.
Her commercial and regulatory expertise includes power purchase agreements, battery optimisation contracts, electricity and heat supply terms, balancing services, all major low carbon support regimes (including Contracts for Difference, the Feed-in Tariff, the Renewables Obligation, the Renewable Heat Incentive and the Green Gas Support Scheme), electricity licensing and grid connections.
Matters:
- Leading the Freeths team advising Cambridge Power on its strategic framework with Brookfield Renewables for the delivery of 985MW of battery storage and co-located solar projects Freeths advise Cambridge Power on framework with Brookfield Renewable
- Leading the Freeths team advising Catalyst Capital on the acquisition of a 100MW battery storage project on the site of the former Skelton Grange power station, having previously advised the same client on the joint venture acquisition of a 50MW battery storage, private wire network and utility-scale EV charging super-hub project at Nursling, Southampton Freeths advises Catalyst Capital on acquisition of 100MW UK battery
- Advising Centrica on its acquisition of project rights for the development of a 30MW 2hr battery energy storage system, as part of Centrica Energy Assets’ plan to deliver 900MW of solar and BESS assets by 2026 Freeths advises Centrica on strategic battery storage acquisition
- Advising a listed fund on the structuring of a programme to finance, procure, install, aggregate and optimise battery assets at multiple commercial and industrial sites, and on the supply and installation contracts with various different battery manufacturers and the framework aggregation and optimisation services agreement
- Advising a JV between a leading global investor and fund manager and an energy project developer on the development of a battery storage project co-located with a clinical waste-to-energy plant
- Advising a number of different optimisation services providers and licensed electricity suppliers on their standard form optimisation services contracts and PPAs
- Providing structuring advice on the development of a 100MW battery, solar and flexible generation project, including advising on the grid connection terms and potential revenue streams from balancing services and PPA offtake
- Advising on the development and operation of over 1GW of solar PV projects, both ground-mounted and large-scale roof-mounted, including on power purchase arrangements (including utility PPAs, private wire PPAs and sleeved PPAs)
- Advising the developer of a series of wind farms in the UK, including a 50MW project (subsequently extended to 92MW) and a 76 MW project, in particular on grid connection arrangements, electricity industry licensing, low carbon support regimes and electricity offtake arrangements
- Advising an international, listed energy company on acquisitions of various UK wind farms over a number of years, including its first project in the UK – a 15MW project in Scotland
- Advising the developer of a 25MW energy-from-waste project co-located with a materials recovery facility (MRF) including on private wire power purchase arrangements
Testimonials
"Clare King is highly competent in her area of expertise. She has an ability to explain complex matters in a simple way and is a great communicator."
The Legal 500, 2025
"Clare has excellent commercial acumen, detailed understanding of markets and a very good level of customer service."
Chambers & Partners, 2025
"Clare King provides a service above expectations every time."
Chambers & Partners, 2025
"Clare King is very knowledgeable and well-connected. She is also very commercially-minded."
The Legal 500, 2024
“Incredible up-to-date knowledge of the energy sector and important influences. Outstanding Partner in Clare King.”
The Legal 500, 2023
“Clare King – Exceptional knowledge across the energy sector. Builds fantastic and long-standing relationships."
The Legal 500, 2023
“Exceptional knowledge across the energy sector. Builds fantastic and long-standing relationships.”
The Legal 500, 2023
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