Energy and infrastructure

A dynamic, fast paced sector influenced daily by geopolitical factors and technological advances.

Our energy and infrastructure lawyers help you navigate opportunities across renewables, heat networks and major infrastructure projects, offering insight, guidance and straightforward commercial advice shaped by your needs.

Our team act on some of the most exciting energy and infrastructure projects in the UK, with particular expertise in heat networks, renewables and major projects, as well as nationally significant infrastructure.

Our energy and infrastructure law specialists support a diverse range of clients, including promoters, landowners, energy companies and government providing seamless guidance from project inception to delivery.

By prioritising relationship-driven advice and a collaborative approach, we help clients achieve their net zero targets, navigate the transition to renewables and manage complex regulatory challenges.

Our experience means that you benefit from holistic support, tailored insight, and trusted partnership at every stage.

Why work with our energy and infrastructure solicitors?

Expertise: Our team has deep knowledge in renewable energy, oil and gas, and nuclear energy as well as major and nationally significant infrastructure projects.

Client focus: We build long-term relationships and provide personalised commercially driven advice.

Innovation: We use the latest technology to solve complex energy issues.

Sustainability: We promote green energy and reduce environmental impact.

End-to-end support: We offer a full range of legal support in the project life cycle.

Our experience

The areas our energy and infrastructure solicitors cover include:

Major projects - we act for the promoters of and objectors to major projects, including nationally significant infrastructure projects under the Planning Act 2008.

Renewables - we advise on a range of renewables infrastructure including wind, solar and related battery storage, biomass and EV charging.

Heat networks - our social infrastructure expertise includes heat network infrastructure for a range of education bodies.

Government - we are a named supplier on the CCS’s Legal Panel for government and advise on high profile infrastructure projects.

Built environment, development & regeneration - we advise on a range of regeneration schemes with key infrastructure components, as well as some of the largest strategic land schemes in the country.

Did you know?

Firm to watch

We're noted as a “firm to watch” in the Legal 500 2026 energy rankings.

Top 5 ranking

We're ranked in the Top 5 UK firms based on client feedback, reinforcing our reputation for trusted legal advice across sectors including energy & infrastructure.

Our lawyers

Multidisciplinary, agile and by collaborating cross sector, our energy and infrastructure lawyers can provide a range of advice which is solutions-driven and based on our in-depth knowledge of the challenges in the sector across a range of projects.

Get in touch

Our team of legal experts are here to support you. Contact one of our lawyers today.

Our clients

We work with a range of clients from across the energy and infrastructure space, including:

UK Atomic Energy Authority (UKAEA)
Albanwise Wallace Group
Anesco
Tokamak Energy
Seatrium Offshore Renewables Limited

What our clients say about us

Melanie Grimshaw is recognised for her work in development planning, highways and compulsory purchase. She has particular experience working with clients in the transport and energy sectors.
Chambers UK

Our expertise

Built environment

Food and agribusiness

Heat networks

Nuclear

Oil & gas

Renewables

Your main contacts

Melanie Grimshaw
Partner
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Nick Helm
Partner
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Martino Giaquinto
Partner
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Latest articles

Frequently asked questions

What types of energy and infrastructure projects do Mills & Reeve advise on?

Mills & Reeve’s energy and infrastructure lawyers support a wide range of projects, from major and nationally significant infrastructure schemes to smaller solar and other renewables schemes. Our expertise covers renewables (solar, wind, biomass, EV charging), heat networks, oil & gas, nuclear, energy-from-waste, battery storage, carbon capture, hydrogen, transport, digital, and social infrastructure.

Who are Mills & Reeve’s typical clients in the energy and infrastructure sector?

We act for developers, landowners, energy generators, contractors, suppliers, public sector bodies, government bodies and regulators.

Can you help with planning and consenting for energy and infrastructure projects?

Yes. Mills & Reeve’s energy and infrastructure solicitors advise on all aspects of planning and consenting for major projects, including Development Consent Orders (DCOs), environmental permits, site assembly and downstream requirements such as biodiversity net gain and mitigation measures.

Do Mills & Reeve advise on funding and investment for energy and infrastructure projects?

We help clients unlock funding through government programmes, inward investment, and private finance. Our legal support covers structuring deals, negotiating commercial agreements, and ensuring regulatory compliance.

How do you support clients throughout the full project lifecycle?

From site selection and consenting to construction, operation, and dispute resolution, we provide end-to-end legal support. Our multidisciplinary team covers real estate, planning, commercial, regulatory and litigation, ensuring seamless delivery and risk mitigation. Our holistic legal service covers project inception to completion.

Does Mills & Reeve have experience with public sector infrastructure projects?

Yes. Our energy and infrastructure lawyers have advised on over 40 public sector contracts including procurement, regulatory advice and project delivery, often involving complex stakeholder environments and high-value contracts.

What are the key legal challenges in the energy and infrastructure sector right now?

Clients are facing evolving regulatory frameworks, net zero targets, funding complexities and the transition to renewables. Mills & Reeve helps clients navigate these challenges with clear, practical advice and innovative solutions.

How does Mills & Reeve promote sustainability and green energy?

We actively support clients in adopting green energy solutions, reducing environmental impact and meeting sustainability goals. Our energy and infrastructure legal advice covers regulatory compliance, project finance, and operational best practice for sustainable infrastructure.

Can Mills & Reeve assist with energy disputes or regulatory investigations?

Yes. Our team has extensive experience in resolving disputes and advising on regulatory investigations, ensuring clients’ interests are protected and commercial objectives are achieved.