Bro Tathan Power - Market Update

What this is

The Welsh Government has issued an early market-update / preliminary market engagement notice for the forthcoming Bro Tathan Power Project at the Bro Tathan strategic employment site (St Athan, Vale of Glamorgan). The project connects the site to the National Grid via new 132kV circuits and a substation delivering up to 280 MVA, to be delivered through a Joint Venture (design, build, finance, operate, maintain) under the Procurement Act 2023 Competitive Flexible Procedure. Estimated value £35,000,000. This is for awareness only — not a call for competition.

Key points

• Welsh Government early notice (UK2) for the Bro Tathan Power Project — grid connection (132kV, up to 280 MVA)
• To be delivered via a JV (design/build/finance/operate/maintain) under the Procurement Act 2023
• Estimated £35m; awareness only — formal tender expected ~April 2026
• See the Memorandum of Information at brotathan.wales/news

Who can bid

Preliminary market engagement; intended delivery via a single JV consortium combining IDNO, ICP, funder and operator capabilities. Not a call for competition.

How it is scored

N/A — market engagement; formal procurement via Competitive Flexible Procedure (Procurement Act 2023)

Money

Estimated value £35,000,000 ex VAT (£42,000,000 inc VAT)

How to submit

Review the Memorandum of Information at https://www.brotathan.wales/news; register feedback / request a meeting per the MOI; contact james.roberts@gov.wales

Clarifications

Via the MOI / James Ogwen Roberts, james.roberts@gov.wales

Contract period

Intended contract 31 March 2027 – 30 September 2029

Classification

CPV 45000000 — Construction work 65000000 — Public utilities51000000 — Installation services (except software)09000000 — Petroleum products, fuel, electricity and other sources of energy WalesVale of Glamorgan