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Monday, Mar 16, 2026

Deadline Looms for RTS Meter Replacement: Hundreds of Thousands at Risk of Heating Disruption

Energy companies face a significant challenge in replacing Radio Teleswitching System meters with smart meters before the deadline on June 30th, potentially leaving hundreds of thousands without heating or hot water.
The impending switch-off of the Radio Teleswitching System (RTS) meters poses a substantial risk to approximately 300,000 households across the UK.

As the deadline for replacement approaches on June 30th, energy companies are scrambling to replace these outdated meters with smart ones to prevent disruptions in heating and hot water supply.

The RTS technology, used since the 1980s, is rapidly becoming obsolete due to advancements in metering systems, necessitating a switch to modern solutions.According to Energy UK, which represents energy companies, there were still 430,000 households using RTS meters by the end of March.

However, only about 1,000 replacements are being installed daily, suggesting that significantly increasing this rate is essential to meet the deadline.

While efforts are underway to expedite the replacement process, industry experts acknowledge the difficulty in achieving universal coverage before June 30th.Energy UK's deputy director for customers, Ned Hammond, emphasized the urgency of the situation but admitted it would be 'very difficult' to replace all RTS meters by the deadline.

This challenge is further complicated by potential resistance from households reluctant to adopt smart meters due to concerns over accuracy and performance disparities across different locations.Citizens such as Jane from Norfolk, who currently rely on RTS meters for an Economy 7 tariff, express dissatisfaction with the prospect of transitioning to smart meters, citing a preference for their current system.

Similar concerns have been raised by Diane Gray, whose home in Cumbria presents technical challenges that have delayed her anticipated smart meter installation.Energy companies are under pressure from the government and regulatory bodies like Ofgem to ensure a smooth transition.

Despite these efforts, there is an acknowledged risk of prolonged disruptions, particularly for vulnerable households.

As plans progress for a 'managed phase down' of the RTS system, energy providers aim to prioritize the protection of consumers reliant on heating and hot water services.The transition from RTS meters presents both practical challenges and issues related to public acceptance.

With winter approaching, there is an escalating need for effective solutions that can accommodate households currently unable to receive smart meter installations without disrupting their essential utility services.
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