Indaver has commissioned its waste-to-energy plant in Rivenhall, Essex. How much waste the plant can process, how much energy it generates, and what Indaver’s future plans are for it.
Key Takeaways
- Indaver has opened the Rivenhall Integrated Waste Management Facility, capable of processing 595,000 tonnes of waste annually and generating electricity for 125,700 homes.
- The project, worth €680 million, concluded a 4½-year construction period with collaboration from Kanadevia Inova.
- Rivenhall aims to develop a circular economy, exploring how to utilise produced energy, heat, and materials, including the planned greenhouse project.
- Indaver has restored historic buildings on site, preserving local heritage while creating offices and a visitor centre.
- The facility promotes biodiversity, has created local jobs, and exemplifies the potential value of waste management innovations.
Indaver has opened its Rivenhall Integrated Waste Management Facility (IWMF) in Essex, UK. The site is now accepting and processing waste and exporting electricity to the grid as the plant ramps up towards full operation.
Located within a former quarry near Silver End, Witham, Rivenhall is Indaver’s largest energy-from-waste project to date. It will process up to 595,000 tonnes of non-recyclable household and commercial waste per year, diverting material from landfill. The facility generates enough electricity to power approximately 125,700 homes.
The project represents a total investment of €680 million (£589 million). It marks the conclusion of a 4½-year construction programme that began in 2021. Up to 850 people worked on site, contributing more than three million working hours during construction.
Construction and engineering
The facility was built under an EPC contract in collaboration with Kanadevia Inova. Kristien Schoonjans, Group Engineering Director at Indaver, said: “The successful construction of this energy-from-waste facility reflects strong project governance and close collaboration between Indaver and Kanadevia Inova, bringing a complex EPC project through design, construction and commissioning into a fully operational facility.”
John Tatton, General Manager of Rivenhall IWMF, said the opening marked the culmination of what he and his team consider the first part of a longer journey for Indaver at the site.
Beyond electricity: a circular economy hub
For Indaver, the energy-from-waste plant is not an end point but the foundation for a wider resource recovery operation. Seamus Flynn, Director Municipal Solid Waste Services for Ireland and UK at Indaver, said: “We’ve now built a plant where we treat waste and produce energy. For Indaver, this is only the start of the story. We want to look at how we best use the electricity, the heat, the carbon and the ash from the facility.”
Plans are already progressing for a greenhouse development adjacent to the site. The proposed project has planning permission for 40 hectares of low-carbon greenhouses. These could source approximately 90 per cent of their heat and 100 per cent of their electricity and CO₂ requirements from the Rivenhall facility. As a result, the development is expected to reduce carbon emissions compared with conventional gas-heated greenhouses. It will also support domestic food production.
Indaver is also exploring opportunities to recover metals and critical raw materials from the facility’s bottom ash.
Heritage restoration
Alongside the energy facility, Indaver has invested in the restoration of the historic Woodhouse Farm and Brewhouse buildings on site. These listed structures date back to the 17th century. They are being restored using traditional heritage techniques, including lime plaster, timber dowels and traditional mortise-and-tenon joints.
Gareth Jones, Project Development Specialist at Indaver Rivenhall, said: “While we’ve been constructing this energy-from-waste plant, we’ve also been refurbishing the old buildings using traditional heritage techniques. The aim is to bring them back to life so they still look like the original buildings, while also incorporating modern techniques, so that they meet current standards and can be inhabited again.”
The restoration work has uncovered centuries of local history, from the original moated farmstead to the site’s role as RAF Rivenhall during the Second World War. The buildings will become offices and a visitor centre.
Biodiversity and local employment
Built largely below ground level within the former quarry, the facility was designed to minimise visual impact on the surrounding countryside. The site is surrounded by mature woodland and supports wildlife including deer, hares, bats and protected great crested newts. Moreover, biodiversity measures include habitat creation, woodland management, protected ponds, bat boxes and planting programmes.
The facility has already created employment for people drawn from surrounding villages and communities. Rivenhall will remain a local employer as operations continue to ramp up.
Karl Huts, CEO of Indaver, said: “Rivenhall shows what is possible when ambition, innovation and partnership come together. We are proud of what has been achieved, and even more excited about the opportunities ahead to create greater value from waste for society, industry and the environment.”
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