The bankruptcy of battery cell maker Northvolt, once the leader of Sweden's green industrial boom, is a huge blow to the country's north and particularly the small town of Skelleftea.

Rising capital costs, lower demand and the disruptive impact of geopolitical instability on supply chains all weighed heavily on the battery maker.

The future of battery manufacturer Northvolt's planned factory in northern Germany has been cast into doubt after the Swedish company filed for bankruptcy on Wednesday. Operations for Northvolt's German subsidiary are to continue,