Trydan Gwyrdd Cymru Preliminary Market Engagement for Environmental Impact Assessments (EIA) Tender

Procurement description

Trydan Gwyrdd Cymru (Trydan) are seeking to procure the following professional services for two large-scale wind farm developments in South Wales, from conceptual design through to securing planning consent:

o Environmental Impact Assessment (EIA) support (including co-ordination, technical support advice, and delivery of external facing documentation).

o Town and Country Planning support (including advice, support, and delivery of external facing documentation).

o Civil Engineering support (including development of infrastructure designs to support the planning consenting process and adherence to Construction (Design and Management) requirements).

o Technical support (including energy yield analysis , aviation and telecommunication assessments, off-site access assessments and design support, and forestry advice and assessments).

We are still considering the lot structure of this procurement.

Main category

Services

Delivery regions

• UKL - Wales

Total value (estimated)

4000000 GBP Excluding VAT

4800000 GBP Including VAT

Contract dates (estimated)

01 September 2025, 00:00AM to 30 August 2028, 23:59PM

Extension end date (if all the extensions are used): 30 August 2030

Trydan Gwyrdd Cymru

Is the total value above threshold?

Above threshold

CPV classifications

• 71314200 - Energy-management services
• 71314300 - Energy-efficiency consultancy services

Delivery regions

• UKL - Wales

Sustainability

Small and medium-sized enterprises (SME)

Contract start date (estimated)

01 September 2025, 00:00AM

Contract end date (estimated)

30 August 2028, 23:59PM

Extension end date (estimated)

30 August 2030, 23:59PM

Can the contract be extended?

Yes

Engagement process 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.

Due date

09 April 2025, 23:59PM

Has the engagement period already ended?

No

Publication date of tender notice (estimated)

30 August 2025