The suit alleges that they “acted inappropriately in creating and approving a new rate that raises electricity costs” for cryptocurrency miners.
source https://www.google.com/url?rct=j&sa=t&url=https://www.iol.co.za/business-report/technology/9-cryptocurrency-firms-sue-washington-state-utility-over-50-rate-hike-18800649&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGo0WKN8BetZCC0pvWA1bcUBU8Q5Q