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E.On Agrees to Buy Ovo Energy in Deal That Would Create UK's Second-Largest Domestic Supplier

E.On has announced plans to acquire Ovo Energy, a move that would combine 9.6 million customers and position the merged entity as one of the UK's biggest energy providers. Consumer groups urged Ovo customers not to panic, confirming that all existing tariffs will be honoured and services will remain unaffected during regulatory review.

BBC News
1 source·May 11, 3:39 PM(18 days ago)·2m read
E.On Agrees to Buy Ovo Energy in Deal That Would Create UK's Second-Largest Domestic Suppliernews.google.com
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On announced plans to buy Ovo Energy in a deal set to create one of Britain's largest energy suppliers. 6 million customers, is acquiring the Bristol-based supplier that serves four million. If the takeover receives approval, which could come later this year, the combined business would vie with Octopus for the top position in the domestic market.

On and Ovo would be bigger than Octopus. On and Ovo. On-Ovo deal has not been disclosed, though previous reports estimated it could be worth as much as £600m.

On and Ovo will continue to operate separately before any decision on a deal being approved. The takeover will be checked by regulators before any approval is granted. On and Ovo said there would be no change for customers while regulators reviewed the deal.

On and Ovo said that tariffs such as fixed deals would be honoured for the duration of the contract. On-Ovo deal. On takeover.

BBC News reported that consumer groups have urged customers of energy supplier Ovo not to panic. On have assured customers that existing tariffs will be honoured in full and service will continue unchanged. Emily Seymour said Ovo customers don't need to do anything and are still able to switch supplier if they wish.

Sabrina Hoque said that Ovo customers might be nervous. On.

He added that energy flexibility and electrification are becoming increasingly important and are critical to the success of the energy transition. On, we are passionate about developing solutions that enable customers across Europe to play an active role in making our energy systems both reliable and affordable," he said.

Stephen Fitzpatrick, founder of Bristol-based Ovo, said the planned deal was the right next step for customers, staff and the zero-carbon transition.

Tom Goswell said larger suppliers brought stability, resilience, and the ability to invest but could reduce consumer choice. Tim Roberts, the Unison union's south-west regional secretary, said workers at Ovo will have understandable concerns about what this takeover could mean for their jobs, pay and conditions. On has a reputation for working constructively with unions and staff.

Key Facts

E.On plans to acquire Ovo Energy
The deal would combine E.On's 5.6 million customers with Ovo's four million, creating one of Britain's largest suppliers pending regulatory approval later this
Customer assurances provided
All existing tariffs will be honoured in full, services unaffected, no immediate changes during review. Ovo customers urged not to panic and told they may still
Market position depends on measurement
Merged entity would surpass Octopus if dual fuel consumers counted once, but Octopus remains larger if gas and electricity accounts counted separately.

Story Timeline

3 events
  1. 2026-05-11

    E.On announces plans to buy Ovo Energy

    1 sourceBBC News
  2. 2026-05-11

    Consumer groups Which? and Uswitch issue statements assuring Ovo customers of continuity

    1 sourceBBC News
  3. Later in 2026

    Possible regulatory approval for the E.On takeover of Ovo

    1 sourceBBC News

Potential Impact

  1. 01

    Increased stability, resilience and investment capacity for the combined business

  2. 02

    Potential reduction in consumer choice due to larger supplier concentration

  3. 03

    Job, pay and conditions uncertainty for Ovo workers during regulatory review

  4. 04

    Advancement of zero-carbon transition through combined resources

Transparency Panel

Sources cross-referenced1
Confidence score65%
Synthesized bySubstrate AI
Word count344 words
PublishedMay 11, 2026, 3:39 PM
Bias signals removed1 across 1 outlet
Signal Breakdown
Loaded 1

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