Contract award notice
Results of the procurement procedure
Section I: Contracting
entity
I.1) Name and addresses
Sellafield Limited
01002607
Hinton House, Birchwood Park Avenue
Warrington
WA3 6GR
UK
Contact person: Hamish Fraser
E-mail: hamish.x.fraser@sellafieldsites.com
NUTS: UKD1
Internet address(es)
Main address: https://www.gov.uk/government/organisations/sellafield-ltd
Address of the buyer profile: https://www.gov.uk/government/organisations/sellafield-ltd
I.4) Type of the contracting authority
Body governed by public law
I.5) Main activity
Other: Nuclear Decommissioning
Section II: Object
II.1) Scope of the procurement
II.1.1) Title
Provision of Operation, Maintenance & Management of CHPP & Boiler Park, Professional Services Other, Energy/Utility Consultants
II.1.2) Main CPV code
65410000
II.1.3) Type of contract
Services
II.1.4) Short description
Sellafield 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.
II.1.6) Information about lots
This contract is divided into lots:
No
II.1.7) Total value of the procurement
Value excluding VAT:
128 000 000.00
GBP
II.2) Description
II.2.2) Additional CPV code(s)
31124000
42162000
98391000
50430000
42113100
71314300
42163000
42164000
42112100
42112300
42160000
II.2.3) Place of performance
NUTS code:
UKD1
Main site or place of performance:
Sellafield - Seascale Cumbria
II.2.4) Description of the procurement
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).
II.2.5) Award criteria
Quality criterion: Technical
/ Weighting: 70
Price
/ Weighting:
30
II.2.11) Information about options
Options:
Yes
Description of options:
Initial 6 year contract with an option of a 2 year extension.
II.2.13) Information about European Union funds
The procurement is related to a project and/or programme financed by European Union funds:
No
Section IV: Procedure
IV.1) Description
IV.1.1) Type of procedure
Award of a contract without prior publication of a call for competition
Justification for selected award procedure:
No tenders or no suitable tenders/requests to participate in response to restricted procedure
Explanation
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.
IV.1.8) Information about Government Procurement Agreement (GPA)
The procurement is covered by the Government Procurement Agreement:
Yes
Section V: Award of contract
A contract/lot is awarded:
Yes
V.2 Award of contract
V.2.1) Date of conclusion of the contract
03/12/2025
V.2.2) Information about tenders
Number of tenders received: 2
Number of tenders received from SMEs: 0
Number of tenders received from tenderers from EU Member States: 0
Number of tenders received from tenderers from non-EU Member States: 0
Number of tenders received by electronic means: 2
The contract has been awarded to a group of economic operators:
No
V.2.3) Name and address of the contractor
Equans EandS Solutions Limited
04243192
Becket House, 1 Lambeth Palace Road
London
SE1 7EU
UK
NUTS: UKI
The contractor is an SME:
No
V.2.4) Information on value of the contract/lot (excluding VAT)
Initial estimated total value of the contract/lot:
Total value of the contract/lot:
: 128 000 000.00
GBP
V.2.5) Information about subcontracting
The contract is likely to be subcontracted
Value or proportion likely to be subcontracted to third parties
Value excluding VAT: 40 000 000.00 GBP
Short description of the part of the contract to be subcontracted:
Maintenance services
Section VI: Complementary information
VI.4) Procedures for review
VI.4.1) Review body
Sellafield Limited
Hinton House, Birchwood Park Avenue
Warrington
WA3 6GR
UK
Internet address(es)
URL: https://www.gov.uk/government/organisations/sellafield-ltd
VI.4.2) Body responsible for mediation procedures
Sellafield Limited
Hinton House, Birchwood Park Avenue
Warrington
WA3 6GR
UK
Internet address(es)
URL: https://www.gov.uk/government/organisations/sellafield-ltd
VI.4.4) Service from which information about the review procedure may be obtained
Sellafield Limited
Hinton House, Birchwood Park Avenue
Warrington
WA3 6GR
UK
Internet address(es)
URL: https://www.gov.uk/government/organisations/sellafield-ltd
VI.5) Date of dispatch of this notice
23/12/2025