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PROCUREMENT OPPORTUNITY

MAST-U Pc, P4 & P5 Coil Power Supplies

UK Atomic Energy Authority · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 29 Sept 2026, 23:15.

Opportunity overview

The UK Atomic Energy Authority has a requirement for MAST-U Fusion research facility which requires a new high current power supply to the Pc, P4 and P5 magnet coils.

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.

Jema Energy SA

No match
Published award value
£3.5m
Awarded
8 Oct 2025
Award ID
1
Status
active
Identifier
GB-PPON PYJC-7964-JNJV
Location
Lasarte-Oria, ES, 20160, Spain

Classification

  • CPV31681300 — Electrical circuits
  • CPV31700000 — Electronic, electromechanical and electrotechnical supplies
  • CPV31731000 — Electrotechnical supplies

Lots

  • Lot LOT-0000£4m

Documents and notices

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
T/RAF023/25
Status
complete
Published risks
As detailed within the Invitation to Tender documents
Above Threshold
Yes
Procurement Method
open
Main Procurement Category
goods
Procurement Method Details
Open procedure

Covered By

GPA

Amendments

Entry 1
Id
044618-2025
Description
Tender return date extended to allow additional time for the peak holiday season.

Legal basis

Id
2023/54
Scheme
UKPGA

Expected award period

Ends
3 Oct 2025, 00:59

Tender Period

Ends
15 Sept 2025, 12:00

Communication

Future Notice Date
31 May 2025, 00:59

Contract terms

Financial Terms
As detailed within the Invitation to Tender documents

Enquiry period

Ends
4 Sept 2025, 17:00

Submission terms

Electronic Submission Policy
allowed

Languages

en

Additional Procurement Categories

services

Lots and requirements

Entry 1
Id
LOT-0000
Status
complete

Value

Amount
4,000,000
Currency
GBP
Including VAT
4,800,000

Suitability

Sme
Yes

Award criteria

Criteria

Criterion 1
Name
Total of the Prices
Type
price
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
30
Weight
percentageExact
Criterion 2
Name
Quality Performance
Type
quality
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
4
Weight
percentageExact
Criterion 3
Name
Technical Assessment - Overview
Type
quality
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
18
Weight
percentageExact
Criterion 4
Name
Technical Assessment - Analysis
Type
quality
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
18
Weight
percentageExact
Criterion 5
Name
Manufacturing and Testing Capability
Type
quality
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
10
Weight
percentageExact
Criterion 6
Name
Installation Capability
Type
quality
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
10
Weight
percentageExact
Criterion 7
Name
Social Value - Increase Supply Chain Resilience and Capacity
Type
quality
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
5
Weight
percentageExact
Criterion 8
Name
Social Value - Equal Opportunity
Type
quality
Description
As detailed within the Invitation to Tender documents

Numbers

Entry 1
Number
5
Weight
percentageExact

Contract period

Ends
31 Oct 2027, 23:59
Starts
21 Oct 2025, 01:00

Selection criteria

Criteria

Criterion 1
Type
economic
Description
As detailed in the Invitation to Tender documents
Criterion 2
Type
technical
Description
As detailed in the Invitation to Tender documents

Items and delivery

Item 1
Id
LOT-0000
Related Lot
LOT-0000

Delivery locations

Entry 1
Region
UKJ14
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKJ14
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
31700000
Scheme
CPV
Description
Electronic, electromechanical and electrotechnical supplies
Entry 2
Id
31681300
Scheme
CPV
Description
Electrical circuits
Entry 3
Id
31731000
Scheme
CPV
Description
Electrotechnical supplies

Published documents

Entry 1
Id
conflictOfInterest
Description
Not published
Document Type
conflictOfInterest
Entry 2
Id
043147-2025
Format
text/html
Notice Type
UK4
Description
Tender notice on Find a Tender
Document Type
tenderNotice
Published
25 Jul 2025, 14:00
Entry 3
Id
044618-2025
Format
text/html
Notice Type
UK4
Description
Tender notice on Find a Tender
Document Type
tenderNotice
Published
31 Jul 2025, 10:37

Planning and budget

Documents

Entry 1
Id
011409-2025
Format
text/html
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Document Type
marketEngagementNotice
Published
26 Mar 2025, 17:09
Entry 2
Id
021884-2025
Format
text/html
Notice Type
UK1
Description
Pipeline notice on Find a Tender
Document Type
plannedProcurementNotice
Published
15 May 2025, 15:48

Milestones

Entry 1
Id
engagement
Type
engagement
Status
scheduled
Due
10 Apr 2025, 00:59
Description
Further information is available in the Market Engagement document which is available by going to https://uk.eu-supply.com/login.asp?B=ukaea&target=&timeout= and Searching for Quote #97655. Please ensure you are Registered (registration is free) and logged in. The Authority is interested in hearing from Potential Suppliers who wish to tender for the requirement.

Buyer, suppliers and contacts

Organisation 1
Id
GB-PPON-PLJV-1169-JTDD
Name
UK Atomic Energy Authority

Roles

buyer

Address

Region
UKJ14
Country
GB
Locality
Oxfordshire
Postal Code
OX14 3DB
Country Name
United Kingdom
Street Address
Culham Science Centre

Details

Classifications

Entry 1
Id
publicAuthorityCentralGovernment
Scheme
UK_CA_TYPE
Description
Public authority - central government

Identifier

Id
PLJV-1169-JTDD
Scheme
GB-PPON

Contact

Name
Robert Franklin
Telephone
+44 1235466915
Organisation 2
Id
GB-PPON-PYJC-7964-JNJV
Name
Jema Energy SA

Roles

supplier

Address

Region
ES
Country
ES
Locality
Lasarte-Oria
Postal Code
20160
Country Name
Spain
Street Address
Paseo del Circuito 10

Details

Vcse
No
Scale
sme
Sheltered Workshop
No
Public Service Mission Organization
No

Identifier

Id
PYJC-7964-JNJV
Scheme
GB-PPON

Contact

Name
Bas Eikelboom

Award information

Award 1
Id
1
Date
8 Oct 2025, 01:00
Title
MAST-U Pc, P4 and P5 Coil Power Supplies
Status
active
Has Options
Yes
Above Threshold
Yes
Main Procurement Category
goods
Assessment Summaries Date Sent
8 Oct 2025, 01:00

Items

Item 1
Id
LOT-0000
Related Lot
LOT-0000

Delivery locations

Entry 1
Region
ES
Country
ES
Country Name
Spain
Entry 2
Region
ES
Country
ES
Country Name
Spain

Additional Classifications

Entry 1
Id
31700000
Scheme
CPV
Description
Electronic, electromechanical and electrotechnical supplies
Entry 2
Id
31681300
Scheme
CPV
Description
Electrical circuits
Entry 3
Id
31731000
Scheme
CPV
Description
Electrotechnical supplies

Value

Amount
3,494,292
Currency
GBP
Including VAT
4,143,151

Options

Description
The tender included the option to Increase to + 18 kA (2s flattop) with a pulse every 20 minutes and a minimum of output I2t of o 6.5E+08 A2s. This will be exercised at contract award and is included in the price in this notice.

Documents

Entry 1
Id
063536-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
9 Oct 2025, 09:23

Suppliers

Supplier 1
Id
GB-PPON-PYJC-7964-JNJV
Name
Jema Energy SA

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
22 Oct 2025, 00:59

Related lots

LOT-0000

Contract period

Ends
30 Nov 2027, 23:59
Starts
21 Oct 2025, 01:00

Standstill Period

Ends
20 Oct 2025, 23:59

Additional Procurement Categories

services

Contracts and changes

Entry 1
Id
1
Title
MAST-U Pc, P4 and P5 Coil Power Supplies
Status
active
Award ID
1
Date Signed
21 Oct 2025, 01:00
Above Threshold
Yes
No Agreed Metrics Rationale
Contract is for manufacture and installation against a specification and programme. Work will be monitored against those requirements.

Value

Amount
3,494,292
Currency
GBP
Including VAT
4,143,151

Period

Ends
8 Nov 2027, 23:59
Starts
21 Oct 2025, 01:00

Documents

Entry 1
Id
067620-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
22 Oct 2025, 16:50

Recorded locations

  • Buyer location · Oxfordshire · UKJ14 · OX14 3DB · United Kingdom
  • Delivery location · UKJ14 · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-04f925-2025-10-22T16:50:53+01:00Preliminary market engagement notice on Find a Tender ·