A UK energy-bill change in the October 28 budget outlook will not reach households this month. On October 30 the Office for Budget Responsibility corrected its Economic and Fiscal Outlook. The revised sentence says the government has announced the end of the carbon price support from April 2028, not April 2027. It also says funding was provided to the Low Carbon Contracts Company so it can reduce contracts-for-difference levies on billpayers.
The available text does not say how many pounds a typical bill would fall. Ending a carbon charge and lowering a levy can reduce part of a future electricity bill if the policy is carried out. It does not change a charge already on a current statement. No U.S. power rate was linked to the correction. An American firm with UK operations could see a local power-cost effect only later, and only if the levy reduction shows up in those bills.
Will this UK change lower an energy bill now? No current cut was shown. The verified step is abolition of carbon price support in April 2028, plus funding meant to reduce green-power levies on UK billpayers.