Yesterday, the Taoiseach told the national economic dialogue that he believes energy costs will remain very high throughout the coming winter. That is devastating news for many households that are already on the brink. As he knows, wholesale electricity prices have come down considerably. In April, wholesale electricity costs were just a third of what they were last August. Yet, prices remain at eye-watering levels for ordinary households. Companies clearly are not passing on these reductions to consumers. What doe…