The planned dual listing was "in order to support American supply chain independence and to deliver the critical metals necessary for the electrification of the country," the firm said in a prospectus filed to the NYSE. 

Ivanhoe Electric owns the Santa Cruz copper project in Arizona which it says is the second-largest copper deposit in the US. 

It also holds rights to the Tintic gold-copper mine in Utah which in the filing prospectus it describes as having "the potential to host a world-class porphyry copper-gold deposit". 

The firm's assets also include the Hog Heaven silver-gold-copper project in Montana. 

Several copper mining projects in the US have been delayed or denied on environmental grounds by US regulators despite forecasts of a growing copper supply deficit in the US. 

Vancouver headquartered Northern Dynasty Minerals May 26 slammed a decision by the US Environmental Protection Agency (EPA) that it plans to veto the firm's copper-gold Pebble project in Alaska.

The most high-profile casualties of tough environmental oversight of US copper projects have been Antofagasta's Twin Metals and Hudbay Minerals' Rosemont copper projects.  

Ivanhoe Electric had US$29.8 million in cash and $130.5 million in liabilities at the end of the first quarter this year.