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Trydan Project Development Services Tender - Contract Notice

Trydan Gwyrdd Cymru · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 29 Sept 2026, 22:47.

Opportunity overview

Trydan is seeking to procure professional services for two wind farm developments in South Wales, from conceptual design through to securing planning consent. These services include: • Lot 1: Environmental Impact Assessment (EIA) Support and Technical Support. • Lot 2: Terrestrial Ecology and Ornithology. • Lot 3: Planning Support. • Lot 4: Civil Engineering Support.

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.

LDA Design Consulting Ltd

Matched by exact name
Published award value
£1.8m
Awarded
3 Aug 2025
Award ID
1
Status
active
Identifier
GB-PPON PPJN-3586-ZWVN
Location
Peterborough, UKH11, PE1 1XX, United Kingdom

BSG Ecology Ltd

Matched by exact name
Published award value
£985.2k
Awarded
3 Aug 2025
Award ID
2
Status
active
Identifier
GB-PPON PNMV-2764-TRLD
Location
Newport, UKL21, NP18 2HJ, United Kingdom

CarneySweeney Ltd

Matched by exact name
Published award value
£264.6k
Awarded
3 Aug 2025
Award ID
3
Status
active
Identifier
GB-PPON PCQR-5235-GVNN
Location
Farnham, UKJ25, GU9 7PT, United Kingdom

Mott Macdonald Limited

Matched by exact name
Published award value
£266.2k
Awarded
3 Aug 2025
Award ID
4
Status
active
Identifier
GB-PPON PMRR-1398-DNDL
Location
London, UKI31, EC4M 7RB, United Kingdom

Classification

  • CPV71314200 — Energy-management services
  • CPV71314300 — Energy-efficiency consultancy services

Lots

  • Lot 1Value not stated
  • Lot 2Value not stated
  • Lot 3Value not stated
  • Lot 4Value not stated

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
TGCDEVMAY25
Status
complete
Above Threshold
Yes
Procurement Method
open
Main Procurement Category
services
Procurement Method Details
Open procedure

Legal basis

Id
2023/54
Scheme
UKPGA

Communication

Future Notice Date
30 Aug 2025, 23:59

Lots and requirements

Entry 1
Id
1
Status
complete
Has Renewal
Yes

Suitability

Sme
Yes

Contract period

Ends
30 Aug 2028, 23:59
Starts
1 Sept 2025, 00:00
Max Extent Date
30 Aug 2030, 23:59
Entry 2
Id
2
Status
complete
Entry 3
Id
3
Status
complete
Entry 4
Id
4
Status
complete

Items and delivery

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UKL
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
71314200
Scheme
CPV
Description
Energy-management services
Entry 2
Id
71314300
Scheme
CPV
Description
Energy-efficiency consultancy services

Published documents

Entry 1
Id
conflictOfInterest
Description
Not published
Document Type
conflictOfInterest

Planning and budget

Documents

Entry 1
Id
009280-2025
Format
text/html
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Document Type
marketEngagementNotice
Published
13 Mar 2025, 15:32

Milestones

Entry 1
Id
engagement
Type
engagement
Status
scheduled
Due
9 Apr 2025, 23:59
Description
Trydan will be hosting a market engagement exercise on Thursday, 10 April 2025 at 10:00 (note: date subject to change). If you are interested in attending this event, please copy this link into a webpage and complete this form with your details. https://forms.office.com/e/frQCpkCJ96 Trydan will be issuing the webinar link a few days before the event. Interested suppliers are asked to express their interest to by 10:00 on Wednesday, 09 April 2025. There is no guarantee that a formal procurement process will be launched following this early market engagement exercise, nor that any contract(s) will be placed. No remuneration or compensation etc will be paid to organisations who take part in this early market engagement exercise. Suppliers should take part in this process only on the basis that they fully understand and accept this position.

Buyer, suppliers and contacts

Organisation 1
Id
GB-COH-15207429
Name
Trydan Gwyrdd Cymru

Roles

buyer

Address

Region
UKL15
Country
GB
Locality
Merthyr Tydfil
Postal Code
CF48 1UZ
Country Name
United Kingdom
Street Address
Welsh Government Office

Details

Classifications

Entry 1
Id
publicAuthoritySubCentralGovernment
Scheme
UK_CA_TYPE
Description
Public authority - sub-central government
Entry 2
Id
GB-WLS
Scheme
UK_CA_DEVOLVED_REGULATIONS
Description
Welsh devolved regulations apply

Identifier

Id
15207429
Scheme
GB-COH

Contact

Name
Katie Carey
Telephone
+447591340779
Organisation 2
Id
GB-PPON-PPJN-3586-ZWVN
Name
LDA Design Consulting Ltd

Roles

supplier

Address

Region
UKH11
Country
GB
Locality
Peterborough
Postal Code
PE1 1XX
Country Name
United Kingdom
Street Address
17 Minster Precincts

Details

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

Identifier

Id
PPJN-3586-ZWVN
Scheme
GB-PPON

Contact

Organisation 3
Id
GB-PPON-PNMV-2764-TRLD
Name
BSG Ecology Ltd

Roles

supplier

Address

Region
UKL21
Country
GB
Locality
Newport
Postal Code
NP18 2HJ
Country Name
United Kingdom
Street Address
Merlin House, No 1 Langstone Business Park

Details

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

Identifier

Id
PNMV-2764-TRLD
Scheme
GB-PPON

Contact

Organisation 4
Id
GB-PPON-PCQR-5235-GVNN
Name
CarneySweeney Ltd

Roles

supplier

Address

Region
UKJ25
Country
GB
Locality
Farnham
Postal Code
GU9 7PT
Country Name
United Kingdom
Street Address
Wey Court West, Union Road

Details

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

Identifier

Id
PCQR-5235-GVNN
Scheme
GB-PPON

Contact

Organisation 5
Id
GB-PPON-PMRR-1398-DNDL
Name
Mott Macdonald Limited

Roles

supplier

Address

Region
UKI31
Country
GB
Locality
London
Postal Code
EC4M 7RB
Country Name
United Kingdom
Street Address
10 Fleet Place

Details

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

Identifier

Id
PMRR-1398-DNDL
Scheme
GB-PPON

Contact

Award information

Award 1
Id
1
Date
4 Aug 2025, 00:00
Title
Project Development Services - Lot 1
Status
active
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
18 Aug 2025, 00:00

Items

Item 1
Id
1
Related Lot
1

Delivery locations

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

Additional Classifications

Entry 1
Id
71314200
Scheme
CPV
Description
Energy-management services

Value

Amount
1,847,123
Currency
GBP
Including VAT
2,216,547

Renewal

Description
Trydan may extend for one year to the value of additional £500,000

Documents

Entry 1
Id
049732-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
19 Aug 2025, 10:29

Suppliers

Supplier 1
Id
GB-PPON-PPJN-3586-ZWVN
Name
LDA Design Consulting Ltd

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
1 Sept 2025, 23:59

Related lots

1

Contract period

Ends
1 Sept 2028, 23:59
Starts
2 Sept 2025, 00:00
Max Extent Date
31 Aug 2029, 23:59

Standstill Period

Ends
29 Aug 2025, 23:59
Award 2
Id
2
Date
4 Aug 2025, 00:00
Title
Project Development Services - Lot 2
Status
active
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
18 Aug 2025, 00:00

Items

Item 1
Id
2
Related Lot
2

Delivery locations

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

Additional Classifications

Entry 1
Id
71314200
Scheme
CPV
Description
Energy-management services

Value

Amount
985,200
Currency
GBP
Including VAT
1,182,240

Renewal

Description
Trydan may extend for one year with an additional value of 200000

Documents

Entry 1
Id
049732-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
19 Aug 2025, 10:29

Suppliers

Supplier 1
Id
GB-PPON-PNMV-2764-TRLD
Name
BSG Ecology Ltd

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
1 Sept 2025, 23:59

Related lots

2

Contract period

Ends
1 Sept 2028, 23:59
Starts
2 Sept 2025, 00:00
Max Extent Date
31 Aug 2029, 23:59

Standstill Period

Ends
29 Aug 2025, 23:59
Award 3
Id
3
Date
4 Aug 2025, 00:00
Title
Project Development Services - Lot 3
Status
active
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
18 Aug 2025, 00:00

Items

Item 1
Id
3
Related Lot
3

Delivery locations

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

Additional Classifications

Entry 1
Id
71314200
Scheme
CPV
Description
Energy-management services

Value

Amount
264,600
Currency
GBP
Including VAT
317,520

Renewal

Description
Trydan may extend for one year with an additional value of 150000

Documents

Entry 1
Id
049732-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
19 Aug 2025, 10:29

Suppliers

Supplier 1
Id
GB-PPON-PCQR-5235-GVNN
Name
CarneySweeney Ltd

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
1 Sept 2025, 23:59

Related lots

3

Contract period

Ends
1 Sept 2028, 23:59
Starts
2 Sept 2025, 00:00
Max Extent Date
31 Aug 2029, 23:59

Standstill Period

Ends
29 Aug 2025, 23:59
Award 4
Id
4
Date
4 Aug 2025, 00:00
Title
Project Development Services - Lot 4
Status
active
Has Renewal
Yes
Above Threshold
Yes
Main Procurement Category
services
Assessment Summaries Date Sent
18 Aug 2025, 00:00

Items

Item 1
Id
4
Related Lot
4

Delivery locations

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

Additional Classifications

Entry 1
Id
71314200
Scheme
CPV
Description
Energy-management services

Value

Amount
266,156
Currency
GBP
Including VAT
319,387

Renewal

Description
Trydan may extend for one year with an additional value of 150000

Documents

Entry 1
Id
049732-2025
Format
text/html
Notice Type
UK6
Description
Contract award notice on Find a Tender
Document Type
awardNotice
Published
19 Aug 2025, 10:29

Suppliers

Supplier 1
Id
GB-PPON-PMRR-1398-DNDL
Name
Mott Macdonald Limited

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Status
scheduled
Due
1 Sept 2025, 23:59

Related lots

4

Contract period

Ends
1 Sept 2028, 23:59
Starts
2 Sept 2025, 00:00
Max Extent Date
31 Aug 2029, 23:59

Standstill Period

Ends
29 Aug 2025, 23:59

Contracts and changes

Entry 1
Id
1
Title
Trydan Project Development Services - Lot 1 EIA
Status
active
Award ID
1
Date Signed
1 Sept 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes
No Agreed Metrics Rationale
Not required

Value

Amount
1,847,123
Currency
GBP
Including VAT
2,216,547

Period

Ends
1 Sept 2028, 23:59
Starts
2 Sept 2025, 00:00
Max Extent Date
31 Aug 2029, 23:59

Renewal

Description
Option to extend the contract by one year, with additional value of 500,000 exc VAT

Documents

Entry 1
Id
060602-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
29 Sept 2025, 15:43
Entry 2
Id
2
Title
Trydan Project Development Services - Lot 2 Ecology
Status
active
Award ID
2
Date Signed
1 Sept 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes
No Agreed Metrics Rationale
not required

Value

Amount
985,200
Currency
GBP
Including VAT
1,182,240

Period

Ends
1 Sept 2028, 23:59
Starts
2 Sept 2025, 00:00
Max Extent Date
1 Sept 2029, 23:59

Renewal

Description
Option to extend contract by one year with an additional value of 200,000

Documents

Entry 1
Id
060602-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
29 Sept 2025, 15:43
Entry 3
Id
3
Title
Trydan Project Development Services - Lot 3 Planning
Status
active
Award ID
3
Date Signed
1 Sept 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes
No Agreed Metrics Rationale
Not required

Value

Amount
264,600
Currency
GBP
Including VAT
317,520

Period

Ends
1 Sept 2028, 23:59
Starts
2 Sept 2025, 00:00
Max Extent Date
1 Sept 2029, 23:59

Renewal

Description
option to extend contract for one year and additional spend of 150,000

Documents

Entry 1
Id
060602-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
29 Sept 2025, 15:43
Entry 4
Id
4
Title
Trydan Project Development Services - Lot 4 Civils
Status
active
Award ID
4
Date Signed
26 Sept 2025, 00:00
Has Renewal
Yes
Above Threshold
Yes
No Agreed Metrics Rationale
not required

Value

Amount
266,156
Currency
GBP
Including VAT
319,387

Period

Ends
1 Oct 2028, 23:59
Starts
1 Oct 2025, 00:00
Max Extent Date
1 Oct 2029, 23:59

Renewal

Description
option to extend for one year with an additional value of 150,000

Documents

Entry 1
Id
060602-2025
Format
text/html
Notice Type
UK7
Description
Contract details notice on Find a Tender
Document Type
contractNotice
Published
29 Sept 2025, 15:43

Recorded locations

  • Buyer location · Merthyr Tydfil · UKL15 · CF48 1UZ · United Kingdom
  • Delivery location · UKL · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-04ecea-2025-09-29T15:43:44+01:00Preliminary market engagement notice on Find a Tender ·