Official UK procurement notice
Trydan Project Development Services Tender - Contract Notice
Authority: Trydan Gwyrdd Cymru (Public body)
What is being bought4 lots · detail below
Published requirement descriptionTrydan 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.
CPV: Energy-management services
Lots and requirements (4)Procurement structure
4 lots · all with a published value (£3,500,000 together) · same conditions of participation on every lot · same evaluation weights on every lotLot #1Environmental Impact Assessment (EIA) Support and Technical Support.AwardedRenewalPublished value£2,000,000
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.
- Economic & financial standing
See Tender Pack
- Technical & professional ability
See Tender Pack
Lot #2Terrestrial Ecology and OrnithologyAwardedRenewalPublished value£900,000
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.
- Economic & financial standing
See Tender Pack
- Technical & professional ability
See Tender Pack
Lot #3Planning SupportAwardedRenewalPublished value£300,000
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.
- Economic & financial standing
See Tender Pack
- Technical & professional ability
See Tender Pack
Lot #4Civil Engineering SupportAwardedRenewalPublished value£300,000
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.
- Economic & financial standing
See Tender Pack
- Technical & professional ability
See Tender Pack
What it takes to wini
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
Evaluation split and conditions of participation as published; the tender pack may add morei
How this buyer will score bids.
The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).
Published sub-criteria (2)
- Technical Submission: 80%
- Commercial Submission: 20%
Published award criteria (2)
- Technical Submission
- Commercial Submission
- Economic & financial standing
See Tender Pack
- Technical & professional ability
See Tender Pack
- Price carries 20 of 100 points: a 10% discount moves about 2 points. The method statement decides this lot, not the discount.
Price arithmetic assumes straight proportional scoring; the tender pack may use another formula.
Procedure terms & legal framework
From the official record- Procedure method
- Open procedure
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Services
- Notice status
- Awarded
- Procurement threshold
- Above threshold (FTS publication)
- Regulatory regime
- Standard
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Competitive procedure
- GPA / WTO covered
- Yes (GPA)
- Recurring procurement
- Unspecified in notice
- First published
- 19 Aug 2025, 10:29 BST
- Last source update
- 29 Sept 2025, 15:43 BST
- Award evaluation window
- Submission end – 19 Aug 2025
- Authority reference
TGCDEVMAY25- FTS notice number
2025/S 000-021538- Latest notice
- Contract details notice (UK7)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-04eceaFind a Tender
How it was run
Official notice- Submission deadline
- 30 Jun 2025, 10:00 BST
- Clarification deadline
- 16 Jun 2025, 10:00 BST
- Submission channel
- Official e-sourcing portal
- Electronic submission
- Allowed
- Accepted languages
- en
Timeline
13 Mar 2025 → 29 Sept 2025 · 11 dates- Planning notice published13 Mar 2025, 15:32 GMT
- Market engagement9 Apr 2025, 23:59 BST
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.
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.
- Tender notice published15 May 2025, 09:18 BST
- Clarification questions by16 Jun 2025, 10:00 BST
- Submission deadline30 Jun 2025, 10:00 BST
- Assessment summaries sent18 Aug 2025, 00:00 BST
- Award decision expected by19 Aug 2025, 23:59 BST
- Standstill ends29 Aug 2025, 23:59 BST
- Next notice expected30 Aug 2025, 23:59 BST
- Contract starts8 Sept 2025, 00:00 BST
- Latest notice published382 days ago29 Sept 2025, 15:43 BST
Notice history
5 events · 2 releases on Find a Tender · since 13 Mar 2025- Preliminary market engagement notice published13 Mar 2025, 15:32 GMTUK2
- Tender notice published15 May 2025, 09:18 BSTUK4
- Contract award notice published19 Aug 2025, 10:29 BSTUK6
- Contract signature expected1 Sept 2025, 23:59 BSTscheduled
- Contract details notice published29 Sept 2025, 15:43 BSTUK7
Commercial outcome & contract awards
Published awards, contracts and bid statistics, not a forecast| Awarded to | Value | Date | Status |
|---|---|---|---|
| Lot 1 · Environmental Impact Assessment (EIA) Support and Technical Support.1 award | |||
| LDA Design Consulting LtdProject Development Services - Lot 12 Sept 2025 – 1 Sept 2028 · up to 31 Aug 2029Extensions: Trydan may extend for one year to the value of additional £500,000 | £1,847,123 | 4 Aug 2025 | Awarded |
| Lot 2 · Terrestrial Ecology and Ornithology1 award | |||
| BSG ECOLOGY LTDSMEProject Development Services - Lot 22 Sept 2025 – 1 Sept 2028 · up to 31 Aug 2029Extensions: Trydan may extend for one year with an additional value of 200000 | £985,200 | 4 Aug 2025 | Awarded |
| Lot 3 · Planning Support1 award | |||
| CarneySweeney LimitedSMEProject Development Services - Lot 32 Sept 2025 – 1 Sept 2028 · up to 31 Aug 2029Extensions: Trydan may extend for one year with an additional value of 150000 | £264,600 | 4 Aug 2025 | Awarded |
| Lot 4 · Civil Engineering Support1 award | |||
| Mott MacDonaldProject Development Services - Lot 42 Sept 2025 – 1 Sept 2028 · up to 31 Aug 2029Extensions: Trydan may extend for one year with an additional value of 150000 | £266,156 | 4 Aug 2025 | Awarded |
Contracts
Trydan Project Development Services - Lot 4 Civils · Mott MacDonald
- Signed
- 26 Sept 2025
- Value
- £266,156
- Period
- 1 Oct 2025 – 1 Oct 2028 · up to 1 Oct 2029 with extensions
- Status
- active
- Extensions
- option to extend for one year with an additional value of 150,000
No agreed KPIs: not required
Trydan Project Development Services - Lot 1 EIA · LDA Design Consulting Ltd
- Signed
- 1 Sept 2025
- Value
- £1,847,123
- Period
- 2 Sept 2025 – 1 Sept 2028 · up to 31 Aug 2029 with extensions
- Status
- active
- Extensions
- Option to extend the contract by one year, with additional value of 500,000 exc VAT
No agreed KPIs: Not required
Trydan Project Development Services - Lot 2 Ecology · BSG ECOLOGY LTDSME
- Signed
- 1 Sept 2025
- Value
- £985,200
- Period
- 2 Sept 2025 – 1 Sept 2028 · up to 1 Sept 2029 with extensions
- Status
- active
- Extensions
- Option to extend contract by one year with an additional value of 200,000
No agreed KPIs: not required
Trydan Project Development Services - Lot 3 Planning · CarneySweeney LimitedSME
- Signed
- 1 Sept 2025
- Value
- £264,600
- Period
- 2 Sept 2025 – 1 Sept 2028 · up to 1 Sept 2029 with extensions
- Status
- active
- Extensions
- option to extend contract for one year and additional spend of 150,000
No agreed KPIs: Not required
Bid statistics published by the authority
| Lot | Bids | SME | VCSE | Valid bid range |
|---|---|---|---|---|
| 1 · Environmental Impact Assessment (EIA) Support and Technical Support. | 8final-stage tenders · 10 at stage one | 3 | 0 | — |
| 2 · Terrestrial Ecology and Ornithology | 7final-stage tenders | 3 | 0 | — |
| 3 · Planning Support | 10final-stage tenders | 3 | 0 | — |
| 4 · Civil Engineering Support | 5final-stage tenders | 0 | 0 | — |
Contracting authority & participating public bodies
Bidders & participating suppliers
4 commercial parties on the notice- BSG Ecology LtdAwarded supplier
- CarneySweeney LtdAwarded supplier
- LDA Design Consulting LtdAwarded supplier
- Mott Macdonald LimitedAwarded supplier
Official documents & specifications (12)
Official links; attachments are not copiedTender pack and attachments
- Bidding documents and specifications ITT: itt_116525 - Trydan Project Development Services Tender
- Technical specifications ITT: itt_116525 - Trydan Project Development Services Tender
Notices published for this procedure
- Contract details notice Contract details notice on Find a Tender
- Contract details notice Contract details notice on Find a Tender
- Contract details notice Contract details notice on Find a Tender
- Contract details notice Contract details notice on Find a Tender
- Contract award notice Contract award notice on Find a Tender
- Contract award notice Contract award notice on Find a Tender
- Contract award notice Contract award notice on Find a Tender
- Contract award notice Contract award notice on Find a Tender
Show 2 more notices
- Tender notice Tender notice on Find a Tender
- Preliminary market engagement notice Preliminary market engagement notice on Find a Tender