Official UK procurement notice
Provision of Operation, Maintenance & Management of CHPP & Boiler Park, Professional Services Other, Energy/Utility Consultants
Authority: Sellafield Limited (Public body)
What is being bought
Published requirement descriptionSellafield Ltd has awarded a Contract to Equans E&S Solutions Limited for an Operation Maintenance and Management Agreement for its existing Combined Heat and Power Plant (CHPP) and Boiler Park at the Fellside site, which is adjacent to the Sellafield nuclear site in Cumbria, North West England.<br/><br/>The duration of the contract is for an initial term of six years with an option to extend the agreement by up to two further years. The estimated value of the 8-year contract is £128M.<br/><br/>The contract commenced on 03/12/2025.
CPV: Auxiliary plant for use with boilers · Boiler installations · Decommissioning services · Energy-efficiency consultancy services · Gas turbines · Operation of a power plant · Parts of steam turbines · Repair and maintenance services of precision equipment · Steam generators · Steam turbines · Steam-generating boilers · Steam-turbine generator and related apparatus
The lotProcurement structure
single lot · no lot value publishedLot #1The purpose of Sellafield Ltd. is to create a clean and safe environment for future…Awarded
The purpose of Sellafield Ltd. is to create a clean and safe environment for future generations. Sellafield Ltd. commits to safe, secure, sustainable, site stewardship enabled by the management of a smart, agile, and resilient site.<br/><br/>‘Fellside’ comprises the Combined Heat and Power Plant (CHPP) and Fellside Boiler Park (FBP); its purpose is to provide a continuous, safe supply of process and welfare steam to the Sellafield nuclear site. Steam has an associated nuclear safety case (in compliance with Nuclear Site Licence Conditions). Fellside is therefore a critical enabler to the achievement of Sellafield Ltd’s mission and towards the Nuclear Decommissioning Authority’s (NDA) strategic outcomes.<br/><br/>Sellafield Ltd has engaged with Equans E&S Solutions Limited as a suitable Operations, Maintenance and Management partner to ensure continued safe operations of the Fellside site while delivering high levels of availability of both process and welfare steam for the Sellafield site. This agreement is the Operations, Maintenance & Management Agreement (OM&M Agreement).
Procedure terms & legal framework
From the official record- Procedure method
- Award procedure without prior publication of a call for competition
- Legal basis
- CELEX · 32014L0024 Public Contracts Regulations 2015 (Directive 2014/24/EU)
- Procurement category
- Services
- Notice status
- Awarded without competition
- Procurement threshold
- Unspecified in notice
- Regulatory regime
- Standard
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Direct award (no call for competition)
- GPA / WTO covered
- Yes (GPA)
- Recurring procurement
- Unspecified in notice
- First published
- 23 Dec 2025, 11:03 GMT
- Last source update
- 23 Dec 2025, 11:03 GMT
- FTS notice number
2025/S 000-085726- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-05fc4fFind a Tender
- Why no open competition
- No tenders or no suitable tenders/requests to participate in response to restricted procedure
- Published justification
No tenders were submitted in response to the Restricted Procedure originally used for this procurement. As a result of this Sellafield Ltd, in line with Regulation 32(2)(a) of the Public Contract Regulations 2015, undertook a Negotiated Procedure without Prior Publication to award a Contract for this procurement which resulted in two tenders being submitted and Equans E&S Solutions Ltd being awarded the Contract.
Commercial outcome & contract awards
Published awards, contracts and bid statistics, not a forecast| Awarded to | Value | Date | Status |
|---|---|---|---|
| EQUANS E&S SOLUTIONS LIMITEDSubcontracting: Maintenance services | £128,000,000 † | — | Awarded |
Contracts
Contract 085726-2025-1 · EQUANS E&S SOLUTIONS LIMITED
- Signed
- 3 Dec 2025
- Value
- £128,000,000
- Status
- active
Bid statistics published by the authority
| Bids | SME | VCSE | Valid bid range |
|---|---|---|---|
| 2bids · 2 electronic | 0 | — | — |
Contracting authority & participating public bodies
Bidders & participating suppliers
1 commercial party on the notice- Equans EandS Solutions LimitedAwarded supplier
Official documents & specifications
Official links; attachments are not copiedNo document links were published on the notice.