Data centers are becoming an increasing emissions concern

Report claims data centers and the aviation industry both account for 3% each of global carbon emissions
By 2026, the world’s data centers will use as much electricity as Japan
Germany is mandating highly efficient data centers from 2026

Increased artificial intelligence activity has led to skyrocketing demand for data centers, with new SPhotonix research claiming the facilities now account for the same amount of emissions as the global aviation industry.

Now accounting for 3% of global carbon emissions, the concern is AI and IoT will continue to drive data centers’ environmental impact up, and by 2030, they could consume as much as 13% of the world’s electricity.

SPhotonix says 149 zettabytes (ZB) of data was created in 2024 – after just four years, this annual figure could stand at 394ZB, around 2.6x more.

Data centers linked with growing emissions

Quantifying the concerns, SPhotonix revealed data centers currently consume 460TWh per year, but by just 2026, this could more than double to 1,000TWh, which is roughly the same as Japan’s total energy usage. By the end of the decade, these sites could account for 2.5 billion metric tonnes of CO2.

The research delves into different types of storage, and reveals HDD storage used for long-term cold data storage and archiving actually sues more data – in order to keep these HDDs at low temperatures for data preservation and drive health, large amounts of energy are required. Cold storage and archiving account for around three-fifths of all data stored today.

HDDs also tend to have a shorter lifespan than SSDs, meaning that they must be copied every seven to 10 years, which comes at the expense of high energy consumption and CO2 emissions.

“In an increasingly digital world, the environmental impact of data storage is quickly becoming a pressing concern with respective Governments and Regulatory bodies stepping in to enforce sustainability standards,” said SPhotonix Chief Science Officer Peter Kazansky.

Kazansky added that Germany will require new data centers to achieve a power usage efficiency of 1.2 or less from next year.

“Reliable data management plays a vital role in addressing energy challenges, enabling efficient resource allocation and long-term planning,” Kazansky concluded.

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