Shell Energy
A former United Kingdom household energy, broadband and telecommunications brand, originally established as First Utility and later owned by Shell before its household energy business was sold to Octopus Energy.
Last updated August 22, 2026
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Overview
Shell Energy was a United Kingdom consumer-services brand supplying electricity, natural gas, broadband and related telephone services. The business began in 2008 as First Utility, a spin-out from First Telecom founded by Mark Daeche, Darren Braham and Marcus Citron. It entered the British energy market as a relatively small independent supplier and built its proposition around buying energy in wholesale markets and reselling it to households and businesses. Its early development was closely associated with the adoption of digital tools, customer usage information and smart-meter technology. First Utility positioned technology as a way to make energy consumption more visible and manageable. It became the first United Kingdom supplier to offer smart meters to residential customers, gaining experience that later supported larger industry-wide rollout programmes. The company also worked with technology providers including oPower and Google PowerMeter to give customers access to information about their energy use. In addition to electricity and gas, First Utility offered an internet-access service bundled with line rental and telephone calls, creating a broader household-utility proposition rather than a purely energy-focused brand. The company expanded its customer base during the first half of the 2010s and explored ways to finance international growth, including a possible initial public offering or external investment. It also considered expansion into Germany, where the Shell name was expected to be used. In January 2012, former lastminute.com chief executive Ian McCaig became chief executive, succeeding the founding phase of the business with experience from the online-services sector. Shell agreed to acquire First Utility in December 2017, and the transaction was completed on 28 February 2018. The acquisition brought the supplier into Shell’s New Energies activities and gave Shell a direct retail presence in the British household-energy market. In March 2019, First Utility was rebranded as Shell Energy. At the time of the rebrand, the company said that electricity supplied to its customers would come from 100% renewable sources. The brand continued to provide broadband and telephone services alongside gas and electricity. Shell Energy subsequently expanded through customer-book acquisitions. In 2019 it agreed to acquire the residential gas and electricity customer base of Green Star Energy, a brand operated by Canada’s Just Energy. In 2021 it took over broadband and telephone customers previously served by Post Office Ltd. Later that year, Ofgem appointed Shell Energy to supply customers of several failed or exiting energy companies, including Green Supplier Limited, Colorado Energy, Pure Planet and Daligas. These transfers increased the scale of the customer portfolio during a period of severe disruption in the United Kingdom energy-supply market. In September 2023, Octopus Energy was reported to be acquiring Shell’s household energy operations in the United Kingdom and Germany. The transaction was expected to transfer energy services for approximately 1.4 million homes, together with broadband customers. The sale was reported as completed in December 2023, while the broadband customer business was also reported as subject to a separate transfer to TalkTalk. Following the disposal of its household operations, Shell Energy ceased to function as the Shell-owned British retail-energy business described in the encyclopedia record. Its history reflects the consolidation of the United Kingdom energy market, the adoption of smart-meter technology, the expansion of utility bundles and the exit of a major international energy group from direct household supply.
History
Shell Energy originated as First Utility, a United Kingdom energy supplier launched in 2008 as a spin-out from First Telecom. Mark Daeche, Darren Braham and Marcus Citron founded the business with the aim of competing in a market dominated by established utility companies. As an entrant with a technology-oriented operating model, First Utility sought to differentiate itself through customer information, digital services and flexible purchasing of wholesale energy. The company’s early business involved buying gas and electricity in international wholesale markets and reselling it to consumers. It supplemented energy supply with broadband and telephone services, including internet access bundled with line rental and calls. This broader approach allowed the company to market itself as a household utility provider rather than only an electricity and gas retailer. Technology became an important part of the company’s identity. First Utility was the first United Kingdom supplier to offer smart meters to residential customers. The experience helped it develop knowledge of large-scale smart-meter deployment and customer usage data. It also partnered with oPower and Google PowerMeter to provide customers with information about their consumption. In January 2012, former lastminute.com chief executive Ian McCaig was appointed chief executive. First Utility expanded rapidly during the 2010s. It signed a three-year agreement in 2014 to become title sponsor of rugby league’s Super League and considered raising capital through an initial public offering or external investment to support foreign growth. In 2015 it announced plans to expand into Germany under the Shell name. The company also attracted regulatory and public criticism. Ofgem issued a disciplinary order in 2010 concerning protections for vulnerable customers, while energy-saving advice published in 2014 was criticised for appearing insensitive to fuel poverty. First Utility stated that the advice was intended to help reduce consumption and was not meant to minimise the seriousness of fuel poverty. Shell reached an agreement to acquire First Utility in December 2017, completing the transaction on 28 February 2018. The business became part of Shell’s New Energies division. In March 2019, the United Kingdom operation was rebranded Shell Energy. The rebrand connected the retail supplier with Shell’s wider energy portfolio and was accompanied by the claim that customers would receive electricity from 100% renewable sources. Broadband and telephone services continued under the new brand. Shell Energy grew through both ordinary customer acquisition and transfers from other providers. In October 2019 it agreed to purchase the customers of Green Star Energy, a Just Energy brand, including around 200,000 residential gas and electricity accounts. In February 2021 it took over Post Office broadband and telephone customers. During the energy-supplier crisis of 2021, Ofgem appointed Shell Energy as a supplier of last resort or replacement provider for customers of Green Supplier Limited, Colorado Energy, Pure Planet and Daligas. These arrangements brought large numbers of customers into the Shell Energy portfolio after the original suppliers ceased trading. Shell later decided to exit direct household energy supply in these markets. In September 2023, reports stated that Octopus Energy would acquire Shell’s household energy operations in the United Kingdom and Germany. The transaction was expected to cover energy services for about 1.4 million homes and broadband services for approximately 500,000 customers. Completion was reported in December 2023, with TalkTalk reported as acquiring the broadband customer business. Shell Energy is therefore treated here as a defunct Shell-owned retail-energy brand, although the transfer of different customer businesses means that the fate of the name and individual service relationships depended on the relevant transaction.
- 2023
Household energy business sold to Octopus Energy
[1]Shell sells its household energy operations in the United Kingdom and Germany to Octopus Energy, with completion reported in December.
- 2021
Post Office broadband transfer
[1]Shell Energy takes over broadband and telephone customers from Post Office Ltd.
- 2021
Supplier-of-last-resort customer transfers
[1]Ofgem selects Shell Energy to take on customers from Green Supplier Limited, Colorado Energy, Pure Planet and Daligas after those suppliers cease trading.
- 2019
First Utility becomes Shell Energy
[1]The United Kingdom business adopts the Shell Energy name and states that customer electricity will be supplied from 100% renewable sources.
- 2019
Green Star Energy customer acquisition
[1]Shell Energy agrees to purchase the residential gas and electricity customers of Green Star Energy.
- 2018
Acquisition completed
[1]Shell completes its acquisition of First Utility on 28 February.
- 2017
Shell agrees to acquire First Utility
[1]Shell reaches an agreement to purchase the United Kingdom energy supplier.
- 2015
German expansion announced
[1]First Utility announces plans to expand into Germany, with the operation expected to use the Shell brand.
- 2014
Super League sponsorship begins
[1]First Utility signs a three-year agreement to become title sponsor of rugby league’s Super League.
- 2012
Ian McCaig becomes chief executive
[1]Former lastminute.com chief executive Ian McCaig is appointed to lead First Utility.
Products and positioning
A technology-oriented household utility provider combining electricity and gas supply with broadband, telephony and digital energy-management services.
Energy retail · 2008
Electricity supply
Shell Energy supplied electricity to households and businesses in the United Kingdom. The retail model involved purchasing electricity through wholesale markets and reselling it to customers. After the 2019 rebrand, the company stated that electricity supplied to customers would come from 100% renewable sources.
Energy retail · 2008
Natural gas supply
Natural gas was sold alongside electricity as part of Shell Energy’s household utility offering. The business procured gas through wholesale markets and supplied it to residential customers, including customers transferred from other suppliers.
Telecommunications
Broadband and telephone services
First Utility and later Shell Energy offered internet access bundled with line rental and telephone calls. The telecommunications activity continued after the energy brand rebrand and included customers transferred from Post Office Ltd. The broadband customer business was later reported as being acquired by TalkTalk.
Energy technology
Smart-meter services
First Utility was an early adopter of residential smart meters in the United Kingdom and was identified as the first United Kingdom supplier to offer them to residential customers. Smart meters supported the company’s emphasis on usage visibility, digital information and customer energy management.
Controversies
Marketing campaigns
- 2014First Utility Super League title sponsorship
United Kingdom
First Utility signed a three-year agreement to become title sponsor of rugby league’s Super League, using sports sponsorship to increase consumer visibility for the challenger energy brand.
Outcome. The sponsorship agreement was announced, but the available reference does not specify its complete commercial or audience results.
Brand decisions
2023
Sale of household energy operations to Octopus EnergyM&ABackground
Shell decided to dispose of its household energy operations in the United Kingdom and Germany after operating the Shell Energy retail brand.
Action taken
Shell agreed to sell the household energy business to Octopus Energy. The transaction was reported as completed in December 2023.
Aftermath
Octopus Energy took over energy services for approximately 1.4 million homes. The broadband customer business was separately reported as being acquired by TalkTalk.
2021
Transfer of Post Office broadband customersM&ABackground
Shell Energy already operated a broadband and telephone business alongside its energy retail operation.
Action taken
Shell Energy took over broadband and telephone customers previously served by Post Office Ltd.
Aftermath
The transfer expanded the telecommunications customer base attached to the Shell Energy brand.
2019
Rebranding from First Utility to Shell EnergyStrategyBackground
After Shell completed its acquisition, it sought to place the retail supplier under a globally recognised group brand.
Action taken
The United Kingdom business changed its name from First Utility to Shell Energy and stated that customer electricity would be supplied from 100% renewable sources.
Aftermath
The operation continued selling electricity and gas while retaining broadband and telephone services under the Shell Energy identity.
2019
Acquisition of Green Star Energy customersM&ABackground
Shell Energy sought to expand its United Kingdom residential customer base through portfolio acquisitions.
Action taken
The company agreed to purchase the residential gas and electricity customers of Green Star Energy, a Just Energy brand.
Aftermath
The transaction added a customer portfolio reported at approximately 200,000 residential accounts.
Purchase price. £10.5 million (2019 transaction)
2017
Shell agrees to acquire First UtilityM&ABackground
First Utility had developed a retail energy and broadband operation in the United Kingdom, while Shell was building activities associated with its New Energies division.
Action taken
Shell agreed to purchase First Utility, with the transaction completing on 28 February 2018.
Aftermath
The supplier became part of Shell’s New Energies activities and was subsequently rebranded Shell Energy in the United Kingdom.
Sources1 sources
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