How to electrify one of the world’s dirtiest industries

OSLO – When construction workers arrived to begin transforming Oslo’s Olav Vs gate into a pedestrian promenade, locals rolled their eyes. It was September 2019, and the prospect of a jammed turnaround zone for taxis becoming an even noisier, polluted construction site was viewed with disdain.

“We’re on the verge of a boom in global construction,” said Ms Irene Domínguez, a policy analyst at Bellona, a non-profit based in Oslo that seeks to combat global warming. “That’s why it’s important that we have solutions that are low carbon but also scalable.” Construction is among a handful of key industries inherently resistant to the green transition – much like ocean shipping and aviation.

Amsterdam has debuted fossil-free construction sites, as has Copenhagen, which operates its own fleet of zero-emission construction machinery. London, Milan and Budapest have signed the Clean Construction Declaration, committing to zero-emission sites and the promotion of low-carbon materials. Another challenge is ensuring a sufficient power supply, particularly in remote construction sites. It can also be difficult to deliver power when a site is continually moving, like when laying stretches of road. “It all depends on what type of construction sites you have,” said Ms Veronica Sund, an Oslo government specialist in zero-emission construction.

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