Shell Energy UK 2026: What Happened to Its Household Customers?

LAST REVIEWED 2026-09-06

What actually happened to Shell Energy's household business?

Shell Energy sold its UK household energy supply business to Octopus Energy in 2023. Shell Energy's other operations, such as business supply and broadband, were not part of the deal.

The transfer was completed in late 2023, with customers receiving letters from both Shell and Octopus explaining the change. The process was overseen by Ofgem to ensure a smooth transition. Customers did not need to take any action; their accounts, tariffs, and direct debits were moved over automatically.

Shell Energy had been a relatively new entrant to the UK household market, having launched in 2018. The company faced challenges in a competitive market, and the sale to Octopus was part of a strategic decision to focus on other areas. Octopus Energy, which is known for its customer service and green energy offerings, absorbed the customer base into its existing operations.

For customers, the change meant a new supplier but no interruption to their energy supply. Their terms and conditions were updated, but they were protected by the price cap and other regulations. Any credit balances or debts were transferred to Octopus, and customers were given a 14-day cooling-off period to switch if they wished.

Since the transfer, former Shell customers have been able to manage their accounts through Octopus's online platform and app. They also gained access to Octopus's tariffs and services, which may differ from what Shell offered. The sale was a significant event in the UK energy market, reflecting consolidation among suppliers.

Where former Shell Energy customers are now

Former Shell Energy household customers are now with Octopus Energy. Their accounts were transferred automatically, and they have been receiving energy from Octopus since late 2023. The transfer was seamless for most, with no need to switch or re-enter details.

Octopus Energy is one of the largest suppliers in the UK, with a strong focus on renewable energy and technology. Former Shell customers may notice differences in billing, customer service, and available tariffs. Octopus offers a range of tariffs, including fixed and variable options, and its customer service is often rated highly.

Customers who were on a Shell tariff at the time of the transfer were moved to an equivalent Octopus tariff, or in some cases, to Octopus's standard variable tariff. The price cap applies to default tariffs, so customers on variable tariffs are protected from excessive price rises. Those on fixed tariffs had their terms honoured until the end of the fixed period.

Since the transfer, former Shell customers have been able to access Octopus's online account management, which includes features like usage tracking and bill payment. They also receive communications from Octopus about their energy, including any changes to prices or tariffs.

For customers who were in debt or had credit balances, these were transferred to Octopus. Octopus has a duty to treat customers fairly and may offer repayment plans for those in debt. Customers who were unhappy with the transfer had the right to switch to another supplier without penalty.

What to do if you were a Shell Energy household customer

If you were a Shell Energy household customer, you are now with Octopus Energy. There is no need to take any action, as your account was transferred automatically. However, you should check your latest bills and communications to ensure everything is in order.

First, verify that your direct debit and payment details have been transferred correctly. Check your bank statements for any changes in the amount taken, as Octopus may have adjusted your payments based on your usage. If you have a credit balance, it should have been carried over to Octopus.

Second, review your tariff. If you were on a fixed tariff with Shell, Octopus should have honoured it until the end of the term. If you were on a variable tariff, you are likely now on Octopus's standard variable tariff, which is subject to the price cap. You may want to compare tariffs to see if you can get a better deal.

Third, update your contact details with Octopus to ensure you receive all communications. You can do this through your online account or by contacting Octopus directly. It is also a good idea to provide a meter reading to ensure your bills are accurate.

Finally, if you have any issues or questions, contact Octopus's customer service. They are responsible for your energy supply and should be able to help with any problems. If you are not satisfied, you can complain to the Energy Ombudsman.

How does the 2026 price cap affect former Shell customers?

The energy price cap for 2026 affects all households on default tariffs, including former Shell customers now with Octopus. For the period July to September 2026, the typical annual bill for dual fuel is £1,663. For October to December 2026, it rises to £1,723, an increase of 4%.

The price cap is set by Ofgem and limits the amount suppliers can charge per unit of energy and standing charges. It applies to customers on standard variable tariffs, which many former Shell customers are likely to be on. The cap is reviewed every three months, so prices can change.

For a typical household using 2,500 kWh of electricity and 9,500 kWh of gas per year, the cap means that their annual bill will be around £1,723 from October to December 2026. This is an increase from the previous period, reflecting higher wholesale energy costs.

Standing charges are also part of the cap. From October to December 2026, the average standing charge for electricity is 54.8p per day, and for gas it is 29.7p per day. For dual fuel, the combined standing charge is 84.5p per day. These charges cover the cost of connecting to the grid and maintaining the network.

Former Shell customers should check their bills to see if their charges are in line with the cap. If they are on a fixed tariff, the cap does not apply, but they may be paying more or less than the cap. It is important to compare tariffs to ensure they are getting a good deal.

What are the standing charges for 2026?

Standing charges are daily fees that energy suppliers charge to cover the cost of connecting to the grid and maintaining the network. They are separate from the cost of the energy you use. Under the October to December 2026 price cap, the average standing charge for electricity is 54.8p per day, and for gas it is 29.7p per day.

For dual fuel customers, the combined standing charge is 84.5p per day. Standing charges are included in the overall price cap, which limits the total amount suppliers can charge.

The standing charge varies by region and payment method. The figures given are averages, so your actual standing charge may be higher or lower. You can find your specific standing charge on your energy bill or by contacting your supplier.

It is worth noting that the price cap includes VAT, which is currently 0% for electricity until 31 March 2027, and 5% for gas. This means that the standing charges you see on your bill may be slightly different from the cap figures, as the cap is set before VAT.

Former Shell customers, now with Octopus, should check their bills to ensure their standing charges are within the cap. If they are on a fixed tariff, the standing charges may be different, as fixed tariffs are not subject to the cap.

How does the price cap compare to previous years?

The energy price cap has been in place since January 2019, and it has fluctuated significantly due to changes in wholesale energy prices. In 2026, the cap for July to September is £1,663, and for October to December it is £1,723. This is a 4% increase between the two periods.

To put this in context, the cap was much higher in 2022 and 2023, when wholesale prices spiked. Since then, prices have fallen, but they remain above pre-pandemic levels.

The cap is set by Ofgem based on the wholesale cost of energy, network costs, and other factors. It is reviewed every three months, so it can change frequently. The cap is designed to protect consumers from excessive price rises, but it also means that prices can go up as well as down.

For former Shell customers, the price cap applies if they are on a standard variable tariff. If they are on a fixed tariff, they are not protected by the cap, but they may have locked in a lower rate. It is important to compare tariffs to see if you can save money.

The table below shows the typical annual bill for dual fuel under the price cap for 2026. This is based on a household using 2,500 kWh of electricity and 9,500 kWh of gas per year.

What should you check on your energy bill?

After the transfer from Shell Energy to Octopus, it is important to check your energy bill to ensure everything is correct. Look for your account number, the tariff you are on, and the charges for your energy usage and standing charges.

First, verify that your personal details are correct, including your name and address. If you have moved, you should update your details with Octopus. Second, check your meter readings. If your bills are estimated, you may be paying too much or too little. Provide regular meter readings to ensure accuracy.

Third, review your tariff. If you were on a fixed tariff with Shell, Octopus should have honoured it. If you are on a variable tariff, you are likely on Octopus's standard variable tariff, which is subject to the price cap. Check that your unit rates and standing charges are in line with the cap.

Fourth, look at your payment method. If you pay by direct debit, check that the amount is correct and that your payments are being taken on time. If you have a credit balance, you can request a refund. If you are in debt, you should contact Octopus to arrange a repayment plan.

Finally, check for any additional charges or fees. Some tariffs have exit fees, but these should not apply if you are switching away from a fixed tariff after the fixed period ends. If you have any concerns, contact Octopus's customer service.

What are your rights as a former Shell Energy customer?

As a former Shell Energy customer, you have the same rights as any other energy consumer. These rights are protected by Ofgem and other regulations. You have the right to be treated fairly by your supplier, to have accurate bills, and to switch suppliers without penalty.

When your account was transferred to Octopus, you were given a 14-day cooling-off period during which you could cancel the transfer and switch to another supplier. If you did not cancel, you are now bound by Octopus's terms and conditions.

You have the right to a clear and accurate bill. Your bill should show your energy usage, the unit rates, and the standing charges. If you believe your bill is incorrect, you can ask Octopus to investigate. If they do not resolve the issue, you can complain to the Energy Ombudsman.

You also have the right to switch suppliers at any time. If you are on a standard variable tariff, there are no exit fees. If you are on a fixed tariff, you may have to pay an exit fee if you switch before the end of the fixed period.

Finally, you have the right to access the Energy Price Cap if you are on a default tariff. This protects you from excessive price rises. If you are struggling to pay your bills, you can contact Octopus for help, and they may offer a payment plan or other support.

How does the transfer affect your energy supply?

The transfer from Shell Energy to Octopus did not affect your physical energy supply. Your electricity and gas continued to be delivered to your home without interruption. The only change was the company that bills you and provides customer service.

Your meter remained the same, and your energy usage was not affected. The transfer was a back-office change, meaning that your account details were moved from Shell's systems to Octopus's systems. This process was managed by the industry's central systems, and there was no need for an engineer visit.

You may have noticed a change in your bill format or the way you pay. Octopus uses its own billing system, so your bills may look different from those you received from Shell. However, the charges should be the same, as they are based on your usage and the tariff you are on.

If you had a smart meter, it should continue to work as before. Octopus may offer to upgrade your smart meter if it is not compatible with their systems, but this is not mandatory. You can continue to provide manual meter readings if you prefer.

Overall, the transfer was designed to be seamless for customers. If you have any issues with your supply, you should contact Octopus, as they are now responsible for your energy.

What happens next for Shell Energy in the UK?

Shell Energy no longer operates as a household energy supplier in the UK. After selling its customer base to Octopus Energy in 2023, Shell exited the domestic supply market. However, Shell continues to have other energy interests in the UK, such as in business supply and generation.

The sale was part of Shell's broader strategy to focus on its core businesses, including oil and gas production, and to reduce its exposure to the volatile retail energy market. The UK household supply market has been challenging for many suppliers, with high wholesale costs and intense competition.

Shell Energy's other operations, such as its broadband and business energy services, were not affected by the sale. These continue to operate under the Shell brand. However, the household supply business is now fully owned by Octopus.

For former Shell customers, the change means that they are now part of Octopus's customer base. Octopus is known for its innovative tariffs and customer service, and it has been growing rapidly in the UK. The company has a strong focus on renewable energy and technology.

Looking ahead, it is unlikely that Shell will re-enter the UK household supply market in the near future. The company has shifted its focus to other areas, and the market remains competitive. Former Shell customers can expect to stay with Octopus unless they choose to switch.

Glossary: the terms on an energy bill explained

Price cap: A limit set by Ofgem on the maximum amount suppliers can charge per unit of energy and standing charges for customers on default tariffs.

Standing charge: A fixed daily fee that covers the cost of connecting to the energy grid and maintaining the network, regardless of usage.

Dual fuel: A single energy contract that supplies both electricity and gas to a household, often from the same supplier.

Standard variable tariff: A default energy tariff with no fixed end date, often subject to the price cap, and can change at any time.

Ofgem: The Office of Gas and Electricity Markets, the UK government regulator for the energy market, responsible for setting the price cap.

Frequently asked questions

What happened to Shell Energy in the UK?

Shell Energy sold its UK household energy supply business to Octopus Energy in 2023. Shell Energy's other operations, such as business supply and broadband, were not affected. The transfer was completed in late 2023, and customers were notified by both companies. Since then, former Shell customers have been supplied by Octopus Energy.

Do I need to do anything if I was a Shell Energy customer?

No, you do not need to take any action. Your account was transferred automatically to Octopus Energy. Your energy supply was not interrupted, and your payment details were moved over. However, you should check your latest bills to ensure your direct debit and tariff are correct. You may also want to provide a meter reading to ensure accurate billing. If you have any questions, contact Octopus directly.

Will the energy prices change after the transfer to Octopus?

Your energy prices may change if you were on a Shell tariff that was not honoured by Octopus. If you were on a fixed tariff, Octopus should have honoured it until the end of the term. If you were on a variable tariff, you are now likely on Octopus's standard variable tariff, which is subject to the price cap. The price cap for October to December 2026 is £1,723 for a typical dual fuel household, an increase of 4% from the previous period.

What is the energy price cap for 2026?

The energy price cap for 2026 is set by Ofgem. For July to September 2026, the typical annual bill for dual fuel is £1,663. For October to December 2026, it rises to £1,723, an increase of 4%. The cap applies to customers on standard variable tariffs. Standing charges are also included, with average daily charges of 54.8p for electricity and 29.7p for gas from October to December 2026.

Can I switch suppliers if I am unhappy with Octopus?

Yes, you can switch suppliers at any time. If you are on a standard variable tariff, there are no exit fees. If you are on a fixed tariff, you may have to pay an exit fee if you switch before the end of the fixed period. To switch, you can compare tariffs and contact a new supplier, who will handle the process.

What should I do if I have a credit balance with Shell Energy?

Your credit balance should have been transferred to Octopus Energy automatically. You can check your Octopus account to see if the credit is reflected. If you believe it has not been transferred, contact Octopus with your final Shell bill as evidence. Octopus is responsible for ensuring that all credit balances are carried over. You can also request a refund of any credit balance at any time.