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Hundreds protest data centre plans in Gwynedd, Wales

Around 300 people rallied in Caernarfon to oppose a 101-acre data centre project between Caernarfon and Y Felinheli, as over 22,500 signatures were gathered against the development.

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11 Oct 2026Source: BBC Science & Environment3 min read (0 views)
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Hundreds protest data centre plans in Gwynedd, Wales

Stock photo for illustration only, not from the actual event

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  • Around 300 people gathered to protest a new data centre plan in Wales
  • The complex is proposed for a 101-acre site between Caernarfon and Y Felinheli
  • Online petition opposing the development has surpassed 22,500 signatures
  • Local MP warns Wales has a history of extractive industries leaving little benefit

Hundreds of individuals have participated in a public demonstration to oppose proposals for constructing a brand-new data centre, driven by deep concerns regarding the facility's environmental and community impact.

Developers have proposed building the large complex on a 101-acre site situated between Caernarfon and Y Felinheli in Gwynedd. Proponents argued the project could potentially generate upwards of 900 jobs during the construction phase alongside 200 permanent employment roles.

UK rural town street community gathering

Stock photo for illustration only, not from the actual event

Nevertheless, local opposition intensified as approximately 300 residents gathered for a rally hosted in Caernarfon to voice their strong disapproval. Meanwhile, public backlash expanded significantly online, with more than 22,500 individuals signing a petition against the scheme.

300Rally protesters in Caernarfon
101Project site size (acres)
22,500+Petition signatures

Canolfan Ddata Menai previously stated that their proposals would transform and revitalize a long-derelict location while delivering substantial job opportunities. However, local residents living near the proposed footprint strongly disagreed with these claims.

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"It is basically the destruction of the most beautiful part of the Menai Strait"

Ernest Dyson

Ernest Dyson, a resident living close to the designated site, described the situation as incredible, stating that the project amounts to the fundamental destruction of the most scenic area along the Menai Strait.

Data centre developments frequently encounter local pushback worldwide due to their massive electricity consumption and high water usage required for server cooling. This Welsh opposition highlights the recurring tension between expanding global digital infrastructure and safeguarding local environmental assets and community livelihoods.

Liz Saville Roberts, the Plaid Cymru MP for Dwyfor Meirionnydd who attended the rally alongside resident Ernest Dyson, emphasized that communities understand the need for data centres, but insisted they must be properly scaled, utilize appropriate technology, and occupy correct locations. She added that Wales has endured a lengthy history of extractive industries that left behind minimal benefits for local populations.

Source: BBC Science & Environment

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