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Celtic Sea Developer Alliance (CSDA)

The Celtic Sea Developer Alliance (CSDA) is a membership body hosted by Marine Energy Wales representing floating offshore wind developers in the Celtic Sea. Launched in Dublin in 2019 the alliance membership spans Wales, Cornwall, and Ireland.

The aim of the Csda

The CSDA promotes the opportunity that exists in the Celtic Sea for floating offshore wind to support the UK and Ireland’s drive towards net zero and energy security. The CSDA facilitates collaboration and engagement between Floating Offshore Wind (FLOW) developers to advance the sector and support the delivery of floating wind energy in the Celtic Sea region. 

Why join the CSDA?

Promotion and sector representation

The CSDA provides a unified voice with consistent messaging to influence government policy and strengthen stakeholder engagement.

Building your network

Networking and resources

As a CSDA member your company or project will benefit from focused sector representation and support from our FLOW Project Manager as well as access to networking opportunities and events.



The CSDA helps to unite cross border interests of Ireland, Wales and Southwest England to promote cohesive progress and shared learning in order to maximise regional benefits.

Join The CSDA

Join our growing membership of developers, manufacturers, researchers, statutory bodies and alliances to build a bright, prosperous healthy future fuelled by the sea.