• •The National Energy System Operator (NESO) estimates grid upgrade costs have risen by 50% since the change in government.
• •The projected £90bn price tag covers infrastructure required to meet 2030 clean power targets and accommodate rising demand.
• •It remains unclear how much of this cost will be passed directly to consumer energy bills versus government subsidy.

The National Energy System Operator reports that upgrading Britain's electricity grid through the 2030s could reach £90bn. This figure represents a 50% increase in projected costs compared to estimates provided prior to the current Labour government taking office. While the investment is framed as essential to meet clean energy mandates, the scale of this financial burden highlights a significant gap in funding strategy. How this expenditure will be financed without triggering substantial increases in household energy bills remains the central uncertainty for policymakers.