Scope
Procurement reference
TGCDEVMAY25
Procurement 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.
Trydan is looking for a single leading Contractor for each individual Lot. The successful leading Contractor for each lot will be responsible for delivering the proposed services for both wind farm projects.
Total value (estimated, excluding VAT)
3500000 GBP to 3500000GBP
Contract dates (estimated)
08 September 2025, 00:00AM to 07 September 2028, 23:59PM
Extension end date (if all the extensions are used): 07 September 2029
Lots
Divided into 4 lots
Environmental Impact Assessment (EIA) Support and Technical Support.
Lot number: 1
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.
CPV classifications
- 71314200 - Energy-management services
Lot value (estimated)
2000000 GBP Excluding VAT
2400000 GBP Including VAT
Sustainability
Small and medium-sized enterprises (SME)
Voluntary, community and social enterprises (VCSE)
Contract start date (estimated)
08 September 2025, 00:00AM
Contract end date (estimated)
07 September 2028, 23:59PM
Extension end date (estimated)
07 September 2029, 23:59PM
Can the contract be extended?
Yes
Description of extensions
Lot 1: EIA Support and Technical Support - £500,000.
Description of how multiple lots may be awarded
Supplier can bid and win all lots. Each lot will be evaluated separately.
Participation
Conditions of participation
See Tender Pack
Conditions of participation
See Tender Pack
Award criteria
Type: quality
Name
Technical Submission
Weighting: 80.00
Weighting type: percentageExact
Type: cost
Name
Commercial Submission
Weighting: 20.00
Weighting type: percentageExact
Terrestrial Ecology and Ornithology
Lot number: 2
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.
CPV classifications
- 71314200 - Energy-management services
Lot value (estimated)
900000 GBP Excluding VAT
1080000 GBP Including VAT
Sustainability
Small and medium-sized enterprises (SME)
Voluntary, community and social enterprises (VCSE)
Contract start date (estimated)
08 September 2025, 00:00AM
Contract end date (estimated)
07 September 2028, 23:59PM
Extension end date (estimated)
07 September 2029, 23:59PM
Can the contract be extended?
Yes
Description of extensions
Terrestrial Ecology and Ornithology - £200,000.
Description of how multiple lots may be awarded
Supplier can bid and win all lots. Each lot will be evaluated separately.
Participation
Conditions of participation
See Tender Pack
Conditions of participation
See Tender Pack
Award criteria
Type: quality
Name
Technical Submission
Weighting: 80.00
Weighting type: percentageExact
Type: cost
Name
Commercial Submission
Weighting: 20.00
Weighting type: percentageExact
Planning Support
Lot number: 3
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.
CPV classifications
- 71314200 - Energy-management services
Lot value (estimated)
300000 GBP Excluding VAT
360000 GBP Including VAT
Sustainability
Small and medium-sized enterprises (SME)
Voluntary, community and social enterprises (VCSE)
Contract start date (estimated)
08 September 2025, 00:00AM
Contract end date (estimated)
07 September 2028, 23:59PM
Extension end date (estimated)
07 September 2029, 23:59PM
Can the contract be extended?
Yes
Description of extensions
Lot 3: Planning Support - £150,000.
Description of how multiple lots may be awarded
Supplier can bid and win all lots. Each lot will be evaluated separately.
Participation
Conditions of participation
See Tender Pack
Conditions of participation
See Tender Pack
Civil Engineering Support
Lot number: 4
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.
CPV classifications
- 71314200 - Energy-management services
Lot value (estimated)
300000 GBP Excluding VAT
360000 GBP Including VAT
Award criteria
Type: quality
Name
Technical Submission
Weighting: 80.00
Weighting type: percentageExact
Type: cost
Name
Commercial Submission
Weighting: 20.00
Weighting type: percentageExact
Award criteria
Type: quality
Name
Technical Submission
Weighting: 80.00
Weighting type: percentageExact
Type: cost
Name
Commercial Submission
Weighting: 20.00
Weighting type: percentageExact
Sustainability
Small and medium-sized enterprises (SME)
Voluntary, community and social enterprises (VCSE)
Contract start date (estimated)
08 September 2025, 00:00AM
Contract end date (estimated)
07 September 2028, 23:59PM
Extension end date (estimated)
07 September 2029, 23:59PM
Can the contract be extended?
Yes
Description of extensions
Civil Engineering Support. - £150,000.
Description of how multiple lots may be awarded
Supplier can bid and win all lots. Each lot will be evaluated separately.
Participation
Conditions of participation
See Tender Pack
Conditions of participation
See Tender Pack
Award criteria
Type: quality
Name
Technical Submission
Weighting: 80.00
Weighting type: percentageExact
Type: cost
Name
Commercial Submission
Weighting: 20.00
Weighting type: percentageExact