Datacentres are consuming 6% of electricity in the UK and US, with the growing strain of AI on energy supplies prompting community resistance, according to research.

The proportion of electricity used by vast warehouses stacked with microchips to power AI and the internet has risen 15% worldwide in the past two years as annual global investment in datacentres approaches $1tn (£740bn) – nearly 1% of the global economy, according to the International Data Center Association (IDCA).

The figures come amid energy shortages in the UK and datacentre developers reporting waits of several years for national grid connections.…