Thomas Kneen

CEO and Founder
Ethical Power

Tom is a successful entrepreneur, leader and strategist. He managed businesses across various industries including road transport and waste before venturing into renewables. Under his leadership, Ethical Power has undergone remarkable growth, transforming from a local rooftop solar installer to a global player and the UK’s only vertically integrated renewables company. Tom is widely recognized for his ambitious vision, commitment to excellence, and exceptional relationship-building skills. He continues to pursue new business opportunities, expanding Ethical Power’s international footprint.

Tom Quigley

Non-Executive Chairman
Ethical Power

Tom is a Chartered Accountant with 28 years’ experience in investment banking, corporate finance and advisory roles across diverse industry sectors; he now holds several independent advisory roles, among others as a Board member of UBS Channel Islands.

Stephen Williams

Chief Financial Officer
Ethical Power

Stephen is a qualified chartered accountant with over 30 years’ experience growing technology and energy companies across international boundaries. Prior to joining Ethical Power, he was the CFO at Sonnedix for 8 years during which the company grew £2bn in value with over 1.5GW of operational assets. As Ethical Power’s CFO, Stephen is responsible for the financial growth and stability of the company whilst acting as a key interface with external investors and lenders.

Stuart Whiteford

Chief Commercial Officer
Ethical Power

Stuart has worked within development, construction and operational sectors of the sustainable infrastructure and in broader real estate and engineering industries in the UK and abroad for the last 20 years. With a background in geotechnical and environmental engineering, Stuart had worked on major projects and in energy consulting capacity. Previously Managing Director of Ethical Power, he now heads up a Ethical Power’s affiliated development company and takes the lead on deal origination and building long-term partnerships with clients.

Suzie Gilhooly

Group Legal Director
Ethical Power

Suzie has a wealth of experience over 20 years as a corporate, commercial, finance and projects lawyer. Suzie leads the entirety of the Ethical Power Group’s legal needs in project conception, financing, delivery and realisation, both nationally and internationally. This work includes M&A work, contract negotiations, financing, joint ventures and project due diligence. She works closely with the development and operational teams on transactional and administrative project management.

Suzie is committed to ensuring the Group legal team at Ethical Power functions at the highest level to provide support to the ever-expanding ambitions of the Group.

Nick Wagstaffe

Legal Director
Ethical Power

Previously in private practice since the late 80s, Nick has over 25 years of experience advising corporate, private equity and high net worth individual clients in their UK and overseas strategic and investment transactional needs, including M&A, equity and debt financings and joint ventures.

Using his knowledge and expertise gained working in various industries, Nick leads Ethical Capital, dealing with all aspects of M&A work, joint ventures, financing, corporate finance, equity investment and fund formation.

Spencer Jansen

Chief Technical Officer
Ethical Power

Spencer has been at the forefront of the solar industry for over 30 years. Amongst his many contributions to the global renewable energy space, is spearheading the development of a next-generation thin film a-Si manufacturing facility in the UK and a CIGS module manufacturing facility in India, and obtaining the first patent of an a-Si solar power roof tile.

As CTO, Spencer will lead strategic technical projects, develop the in-house global technical resource and have ultimate responsibility for the technology infrastructure of Ethical Power Group companies. At board level, he will contribute to the strategy for further global expansion, ensuring smooth integration and continued development of new entities within the Group.

Glyn Thompson

Managing Director
Ethical Power Utilities

Glyn’s extensive career spans numerous property development projects, oil exploration and various other operational roles across numerous industries. He joined Ethical Power in 2013 as Head of Operations and in that capacity ensured efficient and effective delivery of over 160MW of commercial solar projects. As the Managing Director for the Utilities arm of Ethical Power, Glyn oversees project manages our work in civils and construction sectors with a firm focus on profitable, reliable and versatile delivery.

David Martinez

Country Manager
Ethical Power España

David has over 10 years of experience in construction in renewables. He has strong technical knowledge and expertise in engineering, procurement and commissioning of various renewable energy projects. David is now in charge of the Spanish business supervising the design, construction, purchases, health & safety and financial procedures along with the day-to-day operations.

Matt Rowe

Managing Director
Ethical Power New Zealand

Matt is an expert in delivering successful projects having led Energy Procurement and Advisory Services teams, ensuring cost optimisation and on time delivery of large-scale developments. He now has over 20 years of experience working in the energy sector in Australasia and Europe. He’s in charge of the New Zealand entity, overseeing the delivery of 800MW solar pipeline.

Darren Tompkins

Managing Director
Ethical Power O&M

Darren joined us back in March of 2022. He has 12 years of solar experience working up from Solar Technician to SAP, to Operations Manager and now Head of Operations and Maintenance.

Specialist in EPC works and highly qualified with inverters, BESS and HV systems, Darren is trained and knowledgeable about all major inverter brands, as well as having hands-on experience with high voltage and commissioning works. Darren has been involved in the construction of over 600MW of solar in the UK and has further experience in operations and maintenance as well as asset management.

Amitoj Singh

Managing Director
Ethical Power Connections

A strategic business leader, Ami leads the general management and strategy for the ICP division of Ethical Power. Ami has over 18 years of experience in the energy industry, primarily in power generation and transmission, in the UK and internationally. He has previously worked for FTSE250 organisations such as SSE plc and Balfour Beatty plc.

Ami is a Fellow of Institution of Engineering and Technology, a Non-Executive Director at Zero Waste Scotland, Board member at two non-profit organisations (Lintel Trust, Streetfit Scotland), Council member at The Institution of Engineering and Technology (IET), mentor at The Migrant Leaders and Aberdeen Young Professionals (AYP) and an Executive Board Member of Association for Black and Ethnic Engineers (AFBE).

Outside work Ami enjoys playing and watching cricket, and spending time with his young family.

Francesca Cavallini

Country Manager
Ethical Power Italia

Francesca is leading Ethical Power’s expansion in Italy. Prior to joining Ethical Power, Francesca worked in senior roles within renewable energy companies including EDP Renewables and Gamesa. Most recently, in addition to overseeing the design and construction of the company’s logistics infrastructure, she expedited the connection of Amazon’s solar roofs on its buildings. She has been critical to the successful delivery of their projects in Trento, Bari, Perugia and many more.

Rachel Ruffle

Chief Operations Officer
Ethical Power

Rachel Ruffle has 25 years of experience in the renewable energy sector and expertise in leading businesses and teams operating across various sectors, technologies and territories. She was also a member of The Renewables Infrastructure Group’s (TRIG’s) Advisory Committee since its inception in 2013 and a director of top industry trade bodies: Wind Europe, Energy UK and Renewable UK. As the COO, she oversees the delivery of strategic goals for Ethical Power’s global operations.  

Hero Image

We are Ethical Power

Discover what makes us different.

What drives us

Our purpose.

We ethically realise the global potential of clean energy.

We maximise the potential of capturing and using clean power for all stakeholders, while staying true and committed to our values.

Our projects transform the power infrastructure systems, making a positive impact on people and the environment.

Our objectives:

  • Develop, build and manage renewable energy assets supporting energy security for all.
  • Ensure highest quality and optimum operational performance at every level.
  • Make the best use of resources, the planet and the people, with care and respect.

Our values:

  • Committed to excellence.

    We hold ourselves and our work to the highest standards and continuously strive to raise the bar.

    Excellence is a quality that people appreciate because it’s so hard to find. It’s possible only with motivated and empowered teams; working together and supporting each other.

    The goal of excellence drives us to go further and do better every day, in every aspect of what we do. And so, we lead by example and exceed expectations.


    Committed – loyal and willing to give your time and energy to something you believe in.

    Excellence – the quality of being outstanding or extremely good.

  • Acting with integrity.

    Whether dealing with clients, colleagues, or communities, we act with integrity. We are open, ethical, and genuine.

    We build trust through responsible actions and honest relationships. That means we always show up, respect each other and communicate openly. We don’t shy away from difficult conversations.

    We are conscious of our impact and we aim to create a positive legacy: for the people and the planet.


    Integrity – adherence to moral and ethical principles; soundness of moral character; honesty.

  • Driving progress.

    Our work is purposeful. We continue learning and developing to enable progression of our people, our projects, and our industry.

    We’re oriented to new opportunities, innovation and continuous improvement.

    Progress is no accident. It comes as a result of our hard work, knowledge and experience.


    Progress – development towards an improved or more advanced condition.

Our story.

From a rooftop solar contractor in 2010, to a global renewable energy business recognised for best-quality and highest-performance assets.

  • 2010
    Ethical Power was founded by Thomas Kneen.
  • 2013
    First completed ground-mount solar PV project.
  • 2015
    First 10MW solar PV project built!
  • 2016
    The Operations & Maintenance division of Ethical Power is created.
  • 2017
    Ethical Power acquires 50% stake in HV Contractors Ltd to create Ethical Power Connections.
  • 2021
    Hive Energy acquires 50% of Ethical Power. Ethical Power España established. Lynher Energy fund established; funded 80% by Napier Park Global and 20% by Ethical Power.
  • Jan 2022
    Ethical Power New Zealand established with offices in Auckland.
  • Mar 2022
    Ethical Power Utilities formed with office in Ottery St Mary to deliver civils, groundworks and traditional construction projects. Lynher Energy fund acquires its first solar and BESS projects.
  • Jan 2023
    Ethical Power Hellas established with new office in Athens.
  • Mar 2023
    Ethical Power acquires the development business of Public Power Solutions with 250MW development pipeline. Ethical Power Italia established with office in Milan.
  • Jul 2023
    Ethical Power and partners complete sale of two operational solar parks to Fuse Energy, with total capacity of 17.2MW.
  • Aug 2023
    Ethical Power awarded the full wrap EPC contract for the 26 MW Twitch Hill Solar Farm in Shropshire.
  • Sep 2023
    Ethical Power secures £20 million loan from Thrive Renewables to further advance growth.
  • Oct 2023
    Ethical Power acquires full ownership of Ethical Power Connections Ltd
  • Apr 2024
    Ethical Power acquires GTDS
  • May 2024
    Triple Point and Ethical Power agree £7 million debt facility
  • June 2024
    First Corporate PPA signed by Lynher Energy

Our Team

Leading with excellence.

  • Thomas Kneen

    CEO and Founder
    Ethical Power
  • Stephen Williams

    Chief Financial Officer
    Ethical Power
  • Rachel Ruffle

    Chief Operations Officer
    Ethical Power
  • Spencer Jansen

    Chief Technical Officer
    Ethical Power
  • Stuart Whiteford

    Chief Commercial Officer
    Ethical Power
  • Tom Quigley

    Non-Executive Chairman
    Ethical Power
  • Suzie Gilhooly

    Group Legal Director
    Ethical Power
  • Nick Wagstaffe

    Legal Director
    Ethical Power