All of this has Moe concerned not only about Guilbeault floating a trial balloon about a possible higher carbon tax, but how this “social cost of carbon” could be used by the federal government as justification for its proposed Clean Electricity Standard. If implemented in its current form, that standard would mean the end of natural gas and coal power production, except in exceptional circumstances, by 2035. There have been numerous days this past winter where up to 86 per cent of Saskatchewan’s power generation came from natural gas and coal combined.