Our History

Our History

Agrivert’s growth and success has been continuous for nearly 30 years. This is largely thanks to a customer-focused and technically competent team, a forward-thinking attitude and a tailored approach to all projects.

Looking back through the years

2024: Global renewable energy companies Low Carbon and Agrivert, formed a Joint Venture (JV) named Beacon to develop, build and operate biogas and biomethane projects across Europe.

2023: Agrivert acquired the entire share capital of Buckinghamshire based Chiltern Solar Limited, a provider of solar PV and battery storage solutions, from its founders.

2022: Agrivert contracted to reconfigure, expand, and enhance two existing food-waste AD facilities and one crop-fed AD facility for third-party owners. Agrivert is required to change and expand the waste reception systems and increase digestion capacity.

2021: Agrivert awarded a long-term contract to operate and maintain a brand-new food and crop-fed AD facility owned by third parties.

2019 to date: Delivering, with Joint Venture partners, the design and build of a highly complex, 300 tonne per day food waste AD plant for the Government of Hong Kong.

2019 to date: Provision of operation and maintenance services for a portfolio of third-party owned crop-fed anaerobic digestion plants in England and Scotland. Alongside the day-to-day O&M services, Agrivert has analysed, recommended and implemented a substantial plant improvement programme to optimise the throughput and output of the facilities.

2018: Sale of UK operational assets (including five Anaerobic Digestion food waste plants, two IVCs and three open-windrow composting plants) to Severn Trent Green Power.

2017: Secured further long-term contracts with UK local authorities to receive and process organic waste, taking the total number of local authorities under contract to 44 alongside several hundred commercial customers.

2016: Completion of the commissioning and handover of an Agrivert designed and built, 50,000 tonne per year food waste AD plant for STGP at its Roundhill site near Birmingham.

2015: Completion of the commissioning and handover of an Agrivert designed and built, 50,000 tonne per year food waste AD plant for STGP at its Coleshill site near Birmingham.

2010 – 2018: Developed, financed, designed, built and operated five 40-50,000 tonne per year food waste AD plants owned by Agrivert:

  • 2010: Cassington, Oxfordshire
  • 2012: Wallingford, Oxfordshire
  • 2014: Chertsey, Surrey
  • 2016: Bridgend, South Wales
  • 2016: Colney Heath, Hertfordshire

2010 – 2018: Developed, financed, designed, built and operated two 40-75,000 tonne per year commingled waste IVC plants owned by Agrivert at Ardley, Oxfordshire and South Mimms, Hertfordshire.

2005 – 2018: Developed, financed, designed, built and operated five 25-75,000 tonne per year open-window green waste composting plants owned by Agrivert.

2012: Agrivert achieved PAS110 accreditation at Cassington AD facility proving the digestate as a high-quality “product” rather than a waste, allowing farmers to spread it to land without the stringent controls associated with waste spreading.

2011: Agrivert delivered further infrastructure works to complement existing sewage treatment facilities in Newcastle and Sunderland.

2005: Agrivert designed, built and started operating an In-Vessel Composting facility just outside London for a third-party owner. This plant became the first IVC in the UK to achieve compliance with both PAS100 and the newly enacted Animal By-Products Regulations.

2000-2012: Agrivert designed, built, financed and operated a biosolids dewatering and liming plant in Newcastle for Northumbrian Water.

1994-2000: Agrivert successfully operated sewage sludge recycling contracts for Southern Water, Wessex Water, Scottish Water, Northumbrian Water and Anglian Water.

1994: Alexander Maddan founded Agrivert in response to the EU Urban Wastewater Treatment Directive (which banned the disposal of sewage sludge at sea) and became the first to UK market with innovative biosolids treatment process for the water sector.

Share this page