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PROCUREMENT OPPORTUNITY

Provision of Operation, Maintenance & Management of CHPP & Boiler Park, Professional Services Other, Energy/Utility Consultants

Sellafield Limited · compiled

Tender information last checkedLast checked 30 Sept 2026, 14:44.

Opportunity overview

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.

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

Contract value
£128m
Awarded
Not supplied
Contract signed
3 Dec 2025
Award ID
085726-2025-1
Status
active
Identifier
04243192
Location
London, UKI, SE1 7EU, United Kingdom

Classification

  • CPV65410000 — Operation of a power plant
  • CPV31124000 — Steam-turbine generator and related apparatus
  • CPV42112100 — Steam turbines
  • CPV42112300 — Gas turbines
  • CPV42113100 — Parts of steam turbines
  • CPV42160000 — Boiler installations
  • CPV42162000 — Steam-generating boilers
  • CPV42163000 — Steam generators
  • CPV42164000 — Auxiliary plant for use with boilers
  • CPV50430000 — Repair and maintenance services of precision equipment
  • CPV71314300 — Energy-efficiency consultancy services
  • CPV98391000 — Decommissioning services

Lots

  • 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).Value not stated

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-05fc4f
Status
complete
Procurement Method
limited
Main Procurement Category
services
Procurement Method Details
Award procedure without prior publication of a call for competition
Why this procedure was chosen
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.

Covered By

GPA

Legal basis

Id
32014L0024
Scheme
CELEX

Classification

Id
65410000
Scheme
CPV
Description
Operation of a power plant

Procedure reasons

Entry 1
Id
D_PROC_RESTRICTED
Scheme
TED_PT_AWARD_CONTRACT_WITHOUT_CALL
Description
No tenders or no suitable tenders/requests to participate in response to restricted procedure

Lots and requirements

Entry 1
Id
1
Status
cancelled
Has Options
Yes
Description
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).

Options

Description
Initial 6 year contract with an option of a 2 year extension.

Award criteria

Criteria

Criterion 1
Name
Technical
Type
quality
Description
70
Criterion 2
Type
price
Description
30

Items and delivery

Item 1
Id
1
Related Lot
1

Delivery Location

Description
Sellafield - Seascale Cumbria

Delivery locations

Entry 1
Region
UKD1

Additional Classifications

Entry 1
Id
31124000
Scheme
CPV
Description
Steam-turbine generator and related apparatus
Entry 2
Id
42162000
Scheme
CPV
Description
Steam-generating boilers
Entry 3
Id
98391000
Scheme
CPV
Description
Decommissioning services
Entry 4
Id
50430000
Scheme
CPV
Description
Repair and maintenance services of precision equipment
Entry 5
Id
42113100
Scheme
CPV
Description
Parts of steam turbines
Entry 6
Id
71314300
Scheme
CPV
Description
Energy-efficiency consultancy services
Entry 7
Id
42163000
Scheme
CPV
Description
Steam generators
Entry 8
Id
42164000
Scheme
CPV
Description
Auxiliary plant for use with boilers
Entry 9
Id
42112100
Scheme
CPV
Description
Steam turbines
Entry 10
Id
42112300
Scheme
CPV
Description
Gas turbines
Entry 11
Id
42160000
Scheme
CPV
Description
Boiler installations

Buyer, suppliers and contacts

Organisation 1
Id
GB-FTS-146205
Name
Sellafield Limited

Roles

buyer

Address

Region
UKD1
Locality
Warrington
Postal Code
WA3 6GR
Country Name
United Kingdom
Street Address
Hinton House, Birchwood Park Avenue

Details

Classifications

Entry 1
Id
BODY_PUBLIC
Scheme
TED_CA_TYPE
Description
Body governed by public law
Entry 2
Scheme
COFOG
Description
Nuclear Decommissioning

Identifier

Id
01002607
Legal Name
Sellafield Limited

Contact

Name
Hamish Fraser
Organisation 2
Id
GB-FTS-169996
Name
Equans EandS Solutions Limited

Roles

supplier

Address

Region
UKI
Locality
London
Postal Code
SE1 7EU
Country Name
United Kingdom
Street Address
Becket House, 1 Lambeth Palace Road

Details

Scale
large

Identifier

Id
04243192
Legal Name
Equans EandS Solutions Limited
Organisation 3
Id
GB-FTS-146207
Name
Sellafield Limited

Roles

reviewBody
mediationBody
reviewContactPoint

Address

Locality
Warrington
Postal Code
WA3 6GR
Country Name
United Kingdom
Street Address
Hinton House, Birchwood Park Avenue

Details

Identifier

Legal Name
Sellafield Limited

Award information

Award 1
Id
085726-2025-1
Status
active
Has Subcontracting
Yes

Suppliers

Supplier 1
Id
GB-FTS-169996
Name
Equans EandS Solutions Limited

Related lots

1

Subcontracting

Description
Maintenance services

Value

Amount
40,000,000
Currency
GBP

Contracts and changes

Entry 1
Id
085726-2025-1
Status
active
Award ID
085726-2025-1
Date Signed
3 Dec 2025, 00:00

Value

Amount
128,000,000
Currency
GBP

Recorded locations

  • Buyer location · Warrington · UKD1 · WA3 6GR · United Kingdom
  • Delivery location · UKD1

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-05fc4f-2025-12-23T11:03:57Zcompiled ·