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🇬🇧September 22, 2026

Data centres shift to light-based tech to cut power consumption

Data centres are transitioning from traditional copper wire infrastructure to light-based technology to reduce energy consumption and increase capacity. This shift reflects the industry's efforts to address growing power demands as computing requirements accelerate.

Data centre operators are exploring a transition from copper wiring to light-based technology infrastructure, according to reports. The announcement indicated that this shift aims to address two key challenges: reducing power consumption and expanding capacity within facilities. Copper-based transmission systems have traditionally formed the backbone of data centre connectivity, but optical fibre and related light-based solutions are positioned as more efficient alternatives for data transmission across increasingly complex network architectures.

The potential efficiency gains from light-based systems carry significant implications for the broader technology and energy sectors. Data centres already consume substantial amounts of electricity globally, and any meaningful reduction in per-unit power requirements could have cascading effects across cloud computing providers, artificial intelligence infrastructure operators, and telecommunications firms. Lower operational costs from reduced energy consumption may improve margins for data centre operators while also supporting corporate sustainability commitments. Additionally, increased capacity without proportional power increases addresses capacity constraints that have become more acute as demand for cloud services and AI compute continues accelerating. For UK-listed technology and utility stocks, this trend could influence both operational costs for data-heavy businesses and energy demand forecasts, making infrastructure efficiency upgrades an increasingly material factor in sector valuations.

Source: BBC News

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