Designers and builders of more anaerobic digestion plants in the UK than any other contractor

AMZCO Construction has a proven reputation in civil and environmental engineering, having delivered several complex anaerobic digestion (AD) construction projects on time and on budget. With our experience as a main and principal contractor we offer exemplary operational procedures when it comes to health and safety, environmental management and operational efficiency.

Our process

We have an extensive range of high quality construction equipment as well as specialist tooling to carry out large-scale civil developments efficiently.

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The team at AMZCO Construction have built more AD plants in the UK than any other sole contractor.


From green field sites through planning, permitting, feedstock contracts, digestate contracts, grid entry contracts, to financial close.


We work with a number of proven technology providers using new technology to improve plant efficiency.


Redevelopment, repowering, upgrading to gas to grid, and EPC wrap-the complete build phase.


We commission and provide performance warranties for the long-term energy efficient use of the installation.


In association with Greener for Life, we provide commercially viable proposition for funding.

Current Projects

Willand Biogas LLP

This 1.3MW CHP, 600KW Biogas Boiler with 1,000 M3 Biomethane to Grid connection with available 2,500 M3 connection to grid. Using heat for pre treatment hydrolysis provides; Phase 1-Farm based feedstocks-45,000 tonnes Phase 2- Waste-Poultry litter, food waste 55,000 tonnes Phase 3-BML plant 85,000 tonnes All digestate back to grow …

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Menchine Farm

This 1.3 MW CHP installation means that heat is used to dry woodchip for poultry houses, digesting poultry manure, FYM, slurry and crop. The unit is co-located next to poultry units and provides a number of electric car charging points on this Greener for Life concept farm

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Hogsbrook Farm

A 1.3 MW CHP unit, taking all beef manures from the finishing unit and all poultry manure from surrounding units, using heat to dry grass for specialist milk production. All digestate is sent back to grow crops for animals and plant.

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