Ishikari's Renewable Energy Data Center Powers the AI Era with Renewable Electricity

Explanation

A data center in Ishikari, Hokkaido, is advancing efforts to power its operations with renewable energy. As generative AI spreads, data center electricity consumption is surging worldwide, making 'how to build computing power with low carbon emissions' one of the IT industry's biggest challenges.

Data center electricity is used not only for server computation itself but also in large amounts for the air conditioning that cools the resulting heat. The efficiency metric is PUE (Power Usage Effectiveness), calculated as total power consumption divided by the power used by IT equipment; the closer to 1.0, the better. Ishikari is drawing attention as a location because its cool climate allows the use of outside air cooling, greatly reducing the electricity needed for cooling. In addition, Hokkaido has many areas well-suited for wind and solar power, making it easy to pair data centers with renewable energy sources.

The move to disperse data centers—previously concentrated in the greater Tokyo area—to regions with favorable electricity and climate conditions is drawing attention both for its impact on the regional economy and on energy policy. In an era when the more AI is used, the more electricity is needed, 'where computation happens' shapes its environmental impact.