

Welcome to Milford Haven Tax Site
Your Gateway to Marine Innovation and Sustainable Growth
Thriving sectors
Wave and
tidal energy
Storage and
laydown
Oil and gas
Offshore wind
Bulk energy
Project cargo
The future of marine energy investment
Strategically located on the deep-water Milford Haven Waterway — with direct access to the Irish Sea and the Bristol Channel — Milford Haven is one of the UK’s premier energy ports, now positioned at the heart of a freeport designed to drive forward the future of clean industry. Whether you’re in offshore renewables, hydrogen innovation, or advanced marine engineering, Milford Haven offers a powerful platform for industrial investment — blending world-class infrastructure, proximity to global trade routes, and Freeport tax advantages. With a growing hydrogen economy, with generation projects like Milford Haven Hydrogen Kingdom, Haush, West Wales Hydrogen and RWE Pembroke Green Hydrogen taking shape.
Why choose Milford Haven Tax Site
Deep-water advantage
- Over 17.0m channel depth, with 14.5m depth alongside
- Supports large-scale vessel access for energy, heavy equipment, and component handling
Connected and capable
- Direct access to Atlantic trade routes and the Celtic Sea
- High-capacity gas and oil pipelines and established electricity connections
- Built-in engineering and marine supply chain ecosystem
High-skill, high-impact
- On-site engineering and fabrication expertise
- Interests in hydrogen, CCUS, battery storage and FLOW platforms
- Expansion potential: 1.2km quay, with 480m single quay length, 34.8ha laydown, 50t/m2 heavy lift capacity
The partners involved at the Milford Haven Tax Site










Dragon Renewables Energy Park
Project overview: Three new onshore wind turbines, integrated with the existing solar farm.
Project status: Planning permission secured. Operational in late 2026.
West Wales Hydrogen
Project overview: 14.2 MW green hydrogen production facility.
Project status: Planning permission and Hydrogen CfD secured.
Pembroke Green Hydrogen
Project status: Planning permission secured.
Website
Haush Hydrogen Plant
Project overview: A 15 MW green hydrogen production facility.
Project status: Seeking planning permission.
Website
Project Dragon
Project overview: LanzaTech plans to produce sustainable aviation fuel, via sustainably sourced ethanol.
Project status: Preparing planning application.
Criterion Quay
Project overview: A dedicated marshalling and O&M facility supporting floating offshore wind.
Project status: Land-side planning secured.
RWE Battery Plant
Project overview: 350 MW Battery Energy Storage System, part of Pembroke Net Zero Centre.
Project status: Planning permission secured. Construction in late 2025, operational by 2028.
Milford Haven CO2 Project
Project overview: A CO2 storage initiative led by RWE and Dragon LNG.
Project status: Seeking UK Government to progress on South Wales CCS, including CO2 shipping.
Major investments already underway
- £2bn RWE investment in Pembroke Power Station’s CCUS plant
- Transition of Dragon’s terminal into a battery storage hub
- Development of the Valero Green Hydrogen hub
- Expansion of Ledwood’s FLOW platform assembly and deployment capabilities
Unlock Freeport benefits for your company
Companies locating here can access a full package of Freeport tax reliefs, including:
- Stamp Duty, Business Rates, National Insurance reliefs
- Enhanced Capital Allowances for plant and machinery
- Simplified customs procedures
- Competitive environment for low-carbon and export-driven industry
- Established specialist innovation assets, training programmes and education partnerships, such as SPARC and ORE Catapult
Ready to invest?
Partner with us. Build the infrastructure of tomorrow.
LATEST News & Events


Unlocking customs benefits at Celtic Freeport – lessons from Liverpool

Celtic Freeport welcomes progress on Pembroke Dock FLOW base

Haush green hydrogen permission

Freeport welcomes TCE’s FLOW developers selection

Freeport Welcomes Green Hydrogen Project Backing

Celtic Sea FLOW Shortlist

Freeport welcomes Milford Haven CO2 Project

Haush Plans 15MW Hydrogen Plant

RWE Battery Plant Secures Consent

Haush Green Hydrogen HQ

H2 Energy Plant Takes Step Forward

Approval for RWE Green Hydrogen Plant

Milford Haven CO₂ Project Takes Shape
