Picture of Peter Carlsson, former CEO of Northvolt and cofounder of Aris Machina, at Slush

Interview

November 25, 2025

Ex-Northvolt CEO speaks out: ‘It was like pouring diesel on a fire’

Peter Carlsson sits down with Sifted one year after resigning as Northvolt CEO

Mimi Billing

6 min read

One year ago, Peter Carlsson stepped down as CEO of the battery manufacturer Northvolt as the company filed for Chapter 11 bankruptcy in the US, after raising (and losing much of) $9bn. Last week, he was at Slush launching his new startup, Aris Machina, with cofounder Siddarth Khullar.

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Mimi Billing

Mimi Billing is Sifted's Europe editor, based in Stockholm. She covers the Nordics and can be found on X and LinkedIn

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