Contract

Trydan Project Development Services Tender - Contract Notice

  • Trydan Gwyrdd Cymru

UK7: Contract details notice - Procurement Act 2023 - view information about notice types

Notice identifier: 2025/S 000-060602

Procurement identifier (OCID): ocds-h6vhtk-04ecea (view related notices)

Published 29 September 2025, 3:43pm



Scope

Reference

TGCDEVMAY25

Description

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.


Lot 1. Environmental Impact Assessment (EIA) Support and Technical Support.

Description

The appointed Contractor will be responsible for co-ordinating and managing the EIA for both projects. The Contractor will deliver external facing documentation, including (but not limited to) the EIA Scoping Report and Environmental Statement, which will support the planning application for each project. As part of the EIA process, the appointed Contractor will draw on baseline information, stakeholder engagement, and best practice methods to deliver the scope of services identified within each of the work packages. In addition, the appointed Contractor will work closely with Trydan, and the successful Contractor(s) from Lots 2-4, to develop an infrastructure design for each project that balances environmental, planning, technical, engineering, and commercial considerations.


Lot 2. Terrestrial Ecology and Ornithology

Description

The appointed Contractor will be responsible for co-ordinating ecological and ornithological surveys for both projects. The Contractor will also be responsible for inputting to external facing documentation, including (but not limited to) inputs to the EIA Scoping Report and Environmental Statement, which will support the planning application for each project. As part of the EIA process, the appointed Contractor will draw on baseline information, stakeholder engagement, and best practice methods to deliver the scope of services identified within each of the work packages. In addition, the appointed Contractor will work closely with Trydan to develop a site-wide Net Benefit for Biodiversity strategy for each project.


Lot 3. Planning Support

Description

The appointed Contractor will be responsible for advising on the planning strategy and deliverables for both projects. The appointed Contractor will act on behalf of Trydan to submit the planning application for both projects to Planning and Environment Decisions Wales, a role which will also include delivering external facing documentation, including (but not limited to) the Planning Statement and Green Infrastructure Statement. The appointed Contractor will play an integral role in co-ordinating and contributing to the determination phase of both planning applications.


Lot 4. Civil Engineering Support

Description

The appointed Contractor will be responsible for providing civil engineering and geotechnical / mining expertise to inform the infrastructure design for each project. In addition, the appointed Contractor will advise and, if required, support the delivery of site investigation works at both projects.


Contract 1. Trydan Project Development Services - Lot 1 EIA

Lots

Lot 1. Environmental Impact Assessment (EIA) Support and Technical Support.

Supplier

Contract value

  • £1,847,123 excluding VAT
  • £2,216,547 including VAT

Above the relevant threshold

Date signed

1 September 2025

Contract dates

  • 2 September 2025 to 1 September 2028
  • Possible extension to 31 August 2029
  • 3 years, 11 months, 29 days

Description of possible extension:

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

Main procurement category

Services

CPV classifications

  • 71314200 - Energy-management services

Contract locations

  • UKL - Wales

Justification for not setting key performance indicators

Not required


Contract 2. Trydan Project Development Services - Lot 2 Ecology

Lots

Lot 2. Terrestrial Ecology and Ornithology

Supplier

Contract value

  • £985,200 excluding VAT
  • £1,182,240 including VAT

Above the relevant threshold

Date signed

1 September 2025

Contract dates

  • 2 September 2025 to 1 September 2028
  • Possible extension to 1 September 2029
  • 4 years

Description of possible extension:

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

Main procurement category

Services

CPV classifications

  • 71314200 - Energy-management services

Contract locations

  • UKL - Wales

Justification for not setting key performance indicators

not required


Contract 3. Trydan Project Development Services - Lot 3 Planning

Lots

Lot 3. Planning Support

Supplier

Contract value

  • £264,600 excluding VAT
  • £317,520 including VAT

Above the relevant threshold

Date signed

1 September 2025

Contract dates

  • 2 September 2025 to 1 September 2028
  • Possible extension to 1 September 2029
  • 4 years

Description of possible extension:

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

Main procurement category

Services

CPV classifications

  • 71314200 - Energy-management services

Contract locations

  • UKL - Wales

Justification for not setting key performance indicators

Not required


Contract 4. Trydan Project Development Services - Lot 4 Civils

Lots

Lot 4. Civil Engineering Support

Supplier

Contract value

  • £266,156 excluding VAT
  • £319,387 including VAT

Above the relevant threshold

Date signed

26 September 2025

Contract dates

  • 1 October 2025 to 1 October 2028
  • Possible extension to 1 October 2029
  • 4 years, 1 day

Description of possible extension:

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

Main procurement category

Services

CPV classifications

  • 71314200 - Energy-management services

Contract locations

  • UKL - Wales

Justification for not setting key performance indicators

not required


Other information

Conflicts assessment prepared/revised

Yes


Procedure

Procedure type

Open procedure


Suppliers

BSG Ecology Ltd

  • Public Procurement Organisation Number: PNMV-2764-TRLD

Merlin House, No 1 Langstone Business Park

Newport

NP18 2HJ

United Kingdom

Region: UKL21 - Monmouthshire and Newport

Small or medium-sized enterprise (SME): Yes

Voluntary, community or social enterprise (VCSE): No

Supported employment provider: No

Public service mutual: No

Contract 2. Trydan Project Development Services - Lot 2 Ecology

CarneySweeney Ltd

  • Public Procurement Organisation Number: PCQR-5235-GVNN

Wey Court West, Union Road

Farnham

GU9 7PT

United Kingdom

Region: UKJ25 - West Surrey

Small or medium-sized enterprise (SME): Yes

Voluntary, community or social enterprise (VCSE): No

Supported employment provider: No

Public service mutual: No

Contract 3. Trydan Project Development Services - Lot 3 Planning

LDA Design Consulting Ltd

  • Public Procurement Organisation Number: PPJN-3586-ZWVN

17 Minster Precincts

Peterborough

PE1 1XX

United Kingdom

Region: UKH11 - Peterborough

Small or medium-sized enterprise (SME): Yes

Voluntary, community or social enterprise (VCSE): No

Supported employment provider: No

Public service mutual: No

Contract 1. Trydan Project Development Services - Lot 1 EIA

Mott Macdonald Limited

  • Public Procurement Organisation Number: PMRR-1398-DNDL

10 Fleet Place

London

EC4M 7RB

United Kingdom

Region: UKI31 - Camden and City of London

Small or medium-sized enterprise (SME): No

Voluntary, community or social enterprise (VCSE): No

Supported employment provider: No

Public service mutual: No

Contract 4. Trydan Project Development Services - Lot 4 Civils


Contracting authority

Trydan Gwyrdd Cymru

  • Companies House: 15207429

Welsh Government Office

Merthyr Tydfil

CF48 1UZ

United Kingdom

Contact name: Katie Carey

Telephone: +447591340779

Email: caffael@trydangwyrddcymru.wales

Website: http://www.trydangwyrddcymru.wales

Region: UKL15 - Central Valleys

Organisation type: Public authority - sub-central government

Devolved regulations that apply: Wales