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Sheffield Energy Works
Community Energy Shares
Forecast
return
Sheffield Energy Works is a Community Benefit Society (CBS) on a mission to bring clean energy to new sectors and keep the benefits firmly in the hands of Sheffield people.
- Where your money goes
- Team
- Documents
- Updates
Updates
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Sheffield Energy Works
Registration Number: 9655
Sheffield, UK
Incorporation date: 27 November 2025
Your money will…
Decarbonise a working Sheffield farm, cutting the equivalent CO₂ of removing 153 petrol cars from the road every single year
Fund the installation of an anaerobic digester and solar PV system that will supply around 90% of the farm’s annual energy demand
Help build a replicable model for community-owned renewable energy in agriculture
Earn a target interest rate of up to 4% per annum
The bigger picture
As part of the UK’s need to reach Net Zero, agriculture remains one of the hardest sectors to decarbonise. Sheffield Energy Works was established in 2025 to drive cross-sector decarbonisation and community wealth building in the Sheffield city region.
They are working with the Our Cow Molly farm on the reMooable Energy project. The technology is proven, planning is in place, and the Community Share Offer and Business Plan have been independently assessed and awarded the Community Shares Standard Mark. The project aims to:
- Install an anaerobic digester (AD) to convert 14 tonnes of cow slurry per day into 220,000 kWh of electricity annually, with consistent output year-round.
- Install a solar array to generate a further 153,615 kWh per year, with around 60% used on-site and surplus exported to the grid.
- Produce digestate, a nutrient-rich byproduct of the AD, to replace synthetic fertiliser, displacing an additional 168,000kg of CO₂ per year.
What your money will do
Your investment in Sheffield Energy Works will:
- Directly fund the procurement and installation of two complementary clean energy assets at the Our Cow Molly dairy farm.
- Fund the procurement and installation of an anaerobic digester that will generate electricity, heat, hot water and natural fertiliser, redirecting cow slurry that would otherwise emit the methane equivalent of around 2,000 tonnes of CO₂ per year.
- Fund the procurement and installation of a roof-mounted solar array.
- Support a Community Benefit Fund contributing upwards of £1,000 per year to deliver wider community value across the Sheffield city region.
- Help prove a concept of agricultural decarbonisation through a community ownership model whilst creating a blueprint that can be replicated across South Yorkshire – giving everyday people ownership of the clean energy transition.
Team
Meet the Sheffield Energy works team: https://www.sheffieldenergy.works/the-people
Jonathan Hind
Director
Jonathan brings over 15 years’ experience in the construction and infrastructure sector, focusing on low-carbon, sustainable projects. He has spent the past two years working with Our Cow Molly to develop the reMooable Energy project, shaping the delivery strategy to ensure it delivers a range of social, environmental and economic outcomes.
As co-founder of social enterprise SY Ecofit, as well as Sheffield Energy Works, he works to drive decarbonisation and bring clean energy and community wealth building to Sheffield.
Judi Greenwood
Director
Judi Greenwood is a senior regeneration and conservation professional with nearly 20 years’ experience delivering place-based change across the public and private sectors. Her work encompasses heritage-led regeneration, retrofit and decarbonisation, as well as inclusive skills development.
Currently serving as Director for Pathfinder Projects at SY Ecofit, Judi leads strategic partnerships and the South Yorkshire Retrofit Skills Task Force, uniting industry, education and communities to accelerate low-carbon retrofit while safeguarding the historic built environment. Previously, she managed multi-million-pound conservation-led regeneration programmes and established a national mentoring initiative that created pathways into the regeneration and property sectors for diverse young people.
Dr Matthew Killeya
Director
Dr Matthew Killeya is an entrepreneur, campaigner and activist. He was Chief Investment Officer and Partner of Cantab Capital Partners and co-founded the Cantab Institute in the Mathematics of Information at Cambridge University. He is a board member for Energise Barnsley CBS, a director of South Yorkshire Climate Alliance and a strategic adviser to the National Geothermal Centre. Matthew has worked with politicians including South Yorkshire Mayor Oliver Coppard and Olivia Blake MP.
Lakshmi Vemula
Project Manager
Recent University of Sheffield Business Management graduate Lakshmi has joined our clean energy team as a Project Manager.
He’s passionate about sustainable energy, community and practical, people-focused solutions that create long-term value. He’s worked with the team and project partners to develop financial and carbon-offset modelling and bring our first Community Share Offer to life.
Lizzie Stygall
Project Developer
Lizzie has worked as a funding and projects manager with start-ups and SMEs, guiding projects ranging from sustainable transport solutions to deep tech.Lizzie believes cross-sector decarbonisation can benefit economies and public health as much as the environment around us. She’ll often be found representing Sheffield Energy Works at events and working on our upcoming pipeline of clean energy projects.
Terry Powell
Chief Technology Officer
Terry has over 30 years’ experience in delivering enterprise level software applications. For the last 20 years he has owned a bespoke software development company and managed numerous high profile I.T. projects such as Cable & Wireless’s European billing system, FedEx’s UK web presence, a booking system for Clear Channel’s out-of-home digital advertising screens and for the last 5 years has helped design and build the Salad Money application platform. A Microsoft specialist, he has held most of their premium qualifications over the years – Microsoft Certified Solutions Developer, Microsoft Certified Systems Engineer and Microsoft Certified Database Administrator and has been instrumental in moving Salad to a serverless infrastructure based on the Microsoft Azure platform.
Robin Maxe
Chief Operations Officer
Craig Pennington
Chief Strategy Officer
Craig has over 30 years’ experience in investment, as a portfolio manager in the City, as co-founder of a family business, head of social investment for the Francis Scott Trust and most recently at one of Salad’s investors - Fair4All Finance. There he was responsible for managing investments and partnering with mainstream finance with the aim of attracting investment capital to community finance providers. Craig has wide-ranging experience in social investment, business strategy, finance & accounting, analysis and of running businesses and charities.
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Interest accrual and payment
Interest will accrue from the date the share raise is closed and paid after AGM approval each year.
Getting your money out
Capital is expected to be repaid each year starting from year 2 and continue until full repayment at the end of year 20. No withdrawals permitted within the first 3 years.
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Ethex is proud to have received the following awards
Ethical Consumer Best Buy
Winner, Community Energy awards 2025
Winner, Fintech awards 2025
Winner, EDIE awards 2026