National Grid has submitted a package of 25 upgrade proposals worth £4.5 billion to British regulator Ofgem, while simultaneously launching local customer assistance events in Worcester, Massachusetts, to address rising summer power demand.
The proposals, submitted on June 3, 2026, are part of the company's broader plan to invest £70 billion across its UK and US networks over the next five years.
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Transmission Upgrades for Low-Carbon Future
The regulatory applications, filed under Ofgem's re-openers process, target transmission reinforcements across England and Wales to integrate low-carbon generation, industrial users, and data centers.
National Grid Electricity Transmission stated that the proposed investments build upon the baseline RIIO-T3 price control settlement and aim to strengthen network resilience against growing electricity usage.
Ofgem will now conduct public consultations on these strategic infrastructure applications before deciding whether to approve the requested funding.
Rob Salter-Church, regulation director at National Grid Electricity Transmission, said Britain's energy system is changing rapidly and the transmission network must keep pace.
He explained that the submissions set out the investment needed to expand capacity, maintain resilience, and support future growth while enabling secure, affordable, and cleaner energy.
Salter-Church added that the submissions are designed to connect new low-carbon generation and meet the growing demands of major new industries efficiently.
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He emphasized that this is an important step in the regulatory process and that the company will continue to work closely with Ofgem to ensure the right investments are delivered efficiently for consumers and the wider economy.
Summer Assistance in Massachusetts
Parallel to the UK grid modernization proposals, National Grid is addressing rising summer energy consumption in Massachusetts caused by building electrification and increased air conditioning.
The utility has deployed advanced automation technology known as Fault Location, Isolation, and Service Restoration, which currently serves over 35 percent of its Massachusetts customers.
To assist households with anticipated high summer utility bills, the company scheduled three direct outreach events in Worcester throughout June 2026.
Representatives will provide information on deferred payment bundles, Mass Save energy-efficiency initiatives, and the corporate arrears management program at these local sessions.
Bill Malee, National Grid's chief customer officer, said the teams are taking a proactive approach to ensure customers have the support they need to stay cool and keep costs down throughout the summer.
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The first Worcester assistance event is scheduled for Thursday, June 4, at the St. Bernard's Church Community Room.
