Yorkshire Water has gone out to tender with an AMP8 contract for CHP Combined Heat and Power Engine Repair and Maintenance Services worth an estimated £35 million.
Yorkshire Water has gone out to tender with an AMP8 contract for CHP Combined Heat and Power Engine Repair and Maintenance Services worth an estimated £35 million.

The water company is looking to secure an arrangement with 1-2 Suppliers for the supply of services relating to the repair and maintenance of Yorkshire Water's Combined Heat and Power (CHP) engine fleet.
Yorkshire Water said the contract plays a key role in the delivery of its Energy and Generation Strategy. The utility wants to work collaboratively with the successful bidder(s) to achieve its energy generation targets, while mitigating engine downtime and the purchase of alternative energy when not producing energy required.
Yorkshire Water's CHP engine estate is currently made up of 27 engines fuelled by sewage gas, across 5 OEMs and 13 sites.
Scope of key services to be provided under the contract includes:
Planned maintenance:
- Planning, scheduling and delivery of regular maintenance activities including but not limited to:
- Minor and major engine overhauls
- Engine servicing
- Oil sampling
- Engine tuning
- Emissions testing
- Using performance trends, engine data and inspections to plan, schedule and deliver maintenance to improve engine condition, output and uptime
Reactive maintenance
- Reactive repair and maintenance of engines experiencing issues or breakdowns to maximise engine uptime and output
- Emergency repair of critical engine issues
Engine monitoring and data analysis
- Remote monitoring of engine performance to inform the planned and reactive repair & maintenance schedule
- Analysis of performance data and trends to proactively address issues and ensure maximum engine output
Supply of replacement parts
- Independently source and supply all parts required for the repair and maintenance of the engines
- Compliance with environmental standards:
- To ensure that Yorkshire Water complies with the Environment Agency standards with regards to emissions and flaring biogas
Initial contract term is 36 months with further optional extensions of 2 years, 1 year, 1 year and 1 year after the initial term for a total duration of 8 years.
Interested suppliers are invited to express their interest by emailing
Time limit for receipt of tenders or requests to participate is 11 November 2024 – click here to access the tender documentation.
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