FERC tentatively approved a rule to protect the grid against sabotage threats after ordering changes to allow the commission to overrule transmission operators’ definition of “critical” facilities.

Uncertainty over the grid’s vulnerability to sabotage could lead to wasteful and excessive spending, a new congressional report warns.

Former FERC Chariman Jon Wellinghoff is coming under fire from some of his old colleagues for comments he has made to the media regarding grid safety.