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Renewable Futures 2025

Data centres: the climate challenge no one talks about

Skaiste Knyzaite

CEO, Futurae Media

Data centres keep the digital world running, but their soaring energy use raises a big question: can we meet net zero goals while powering AI and cloud storage?


The race is on for smarter, greener solutions — from advanced cooling to modular designs. But what’s actually working?

Cooling tech to the rescue

Data centres are projected to grow by up to 22% by 2030, according to McKinsey & Company. With that growth comes heat — a major energy drain if not managed efficiently. That’s why advanced cooling technologies are critical. Companies like Vertiv, Stulz GmbH and Schneider Electric are pioneering solutions, from liquid cooling to air recycling, helping data centres cut emissions while maximising efficiency.

What if data centres could move?

They can, and they do. Modular data centres are pre-built, scalable hubs that can be deployed anywhere, reducing construction emissions and improving efficiency. Placed near renewable energy sources, they offer a greener alternative to traditional facilities. According to Delta Power Solutions, they boost cooling efficiency by over 12% and push PUE (Power Usage Effectiveness) closer to the ideal 1.0.

Data centres are projected to
grow by up to 22% by 2030.

The edge computing advantage

Large, centralised data centres are energy-intensive and often located far from users. Edge computing changes the game by processing data closer to its source, improving speed, security and efficiency. Like modular data centres, edge facilities can be built near renewable power, reducing reliance on fossil fuels while keeping data secure and operations cost-effective.

Join the energy conversation

Data centres are the backbone of our digital world, but their sustainability challenge is growing. How do we innovate to keep up? That’s the conversation happening at Energy Tech Summit 2025. As Skaiste Knyzaite, Co-Founder and CEO, puts it: “Data centres don’t just support digitalisation; they unlock the next wave of innovation. The solutions we explore today will define the future of our energy systems.”

With thought-provoking discussions, networking side events and a startup pitch battle, the summit is the go-to space for innovators ready to drive change. Mark your calendar (April 9–10 in Bilbao, Spain), and join the conversation.

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