Citizens Advice and Energy: Consumer Service, Complaints and Data

Citizens Advice is the statutory consumer advocate for energy across Great Britain, and it runs a free consumer service for people in England and Wales who have problems with their energy bills or supply¹. It is not a supplier, not a grant funder and not an ombudsman. It advises, it refers cases onward, it publishes supplier performance data, and it represents consumer interests in regulatory consultations.

The practical entry point is the consumer service on 0808 223 1133, with 0808 223 1144 for a Welsh-speaking adviser, open Monday to Friday, 9am to 5pm². In England there is a second number, 0808 144 8844³. Where a complaint is difficult or urgent, or the householder is vulnerable or at risk of disconnection, the service can refer the case to the Extra Help Unit⁴.

For a household thinking about energy independence, Citizens Advice matters in a specific way. It does not generate a kilowatt or cut a bill directly. What it does is hold the suppliers and network operators to account, publish the evidence that lets a household judge a supplier before switching, and give heat network customers in England and Wales a formal advocate. That is leverage over the market rather than control over your own supply.

What Citizens Advice offers households in Great Britain

The consumer service is the front door. It is free, it covers people living in England or Wales, and it deals with problems with energy bills or supply¹. Behind that sits a wider body of published information and support covering struggling to pay bills, problems with an energy supplier or energy supply, saving energy at home, and getting a better energy deal³. Those four areas map onto the questions most households actually arrive with.

The organisation's formal standing is broader than its advice line. Citizens Advice has statutory responsibilities to represent the interests of energy consumers across Great Britain, a role it set out in its own response to an Ofgem consultation⁵. That is why its name appears in regulatory documents and parliamentary reports rather than only in consumer leaflets. A Commons committee report in 2021 recommended that the basic energy advice service then available in England be upgraded to a specialist bespoke advice service similar to the Home Energy Scotland network, which shows both the ambition and the gap that existed⁸.

The territorial split matters. The consumer service covers England and Wales¹. Scotland sits within the Great Britain advocacy remit but has its own advice architecture. Northern Ireland is separate entirely: NI Energy Advice and the Consumer Council NI give free, independent and impartial energy advice to all domestic householders there⁹. A householder in Belfast looking for the equivalent of the Citizens Advice consumer service will not find it under that name.

Specifications: what the service actually does

The service operates on a defined set of criteria rather than an open-ended casework promise. It may refer a householder to the Extra Help Unit where there is a difficult or urgent complaint, where the person cannot deal with their energy supplier alone because of personal circumstances, where they are considered vulnerable, or where they are at risk of being disconnected from an energy supply⁴. Those four conditions are the specification. A routine billing query does not meet them; a threatened disconnection does.

The Extra Help Unit is a separate body that takes on cases needing more support than standard advice. The referral route is the mechanism by which a household that cannot self-advocate gets a caseworker. The published guidance on the unit's eight-week and deadlock letter process sets out how complaints escalate when a supplier has not resolved matters¹⁰.

Citizens Advice also feeds into regulation directly. Alongside the Centre for Sustainable Energy, it provided input to Ofgem's load control consumer protection guidance, published in August 2026¹¹. That guidance concerns protections for consumers as load control technology enters the market, which is a forward-looking piece of consumer protection rather than a response to an existing complaint.

What the service covers, and what it does not

The coverage is advice, casework and representation. It is not financial support. Help with energy and water bills comes through local council support schemes under the cost of living arrangements¹². The Energy Price Guarantee, now closed, provided financial support to domestic energy consumers affected by recent price rises¹³. Neither of those is administered by Citizens Advice.

There is also a documented gap in warranty and guarantee advice. A Scottish Government working group report recommended that there should be support and advice for consumers on guarantees and warranties, including advice on maintenance and behaviour to ensure guarantees and warranties are not invalidated¹⁴. That recommendation points at a category of consumer protection that sits awkwardly between the supplier, the manufacturer and the advice sector.

What Citizens Advice does hold is a large evidence base. It publishes quarterly customer service ratings for domestic suppliers, scored out of five. In the January to March 2026 ratings, 100Green scored 4.33 and ranked first⁷, Octopus Energy scored 3.67 and ranked fourth¹⁵, and ScottishPower scored 2.94 and ranked tenth¹⁶. ScottishPower's own publication of the same results notes that they exclude Northern Ireland¹⁷. These ratings are the most direct consumer-facing output of the organisation's data work, and they are the reason a householder might consult Citizens Advice before switching rather than after a problem arises.

What it costs a household

Nothing. The consumer service is free, and the published information and support is free to read¹. That is the whole of the cost position for the householder.

The cost that does exist sits elsewhere in the advice landscape. National Energy Action provides free advice about energy bills and keeping warm and safe at home, along with benefits advice and income maximisation support¹⁸. NI Energy Advice offers free independent and impartial energy advice to domestic householders in Northern Ireland¹⁹. The pattern across the sector is free advice funded by government, regulators or charities rather than by the people receiving it.

For context on where public money goes in this space, local area energy planning work tends to require consultant support priced at £100,000 to £200,000 per local authority, depending on scale, scope and complexity²⁰. That is a planning cost borne by councils, not a charge to households, but it illustrates the scale of the analytical work that sits behind local energy strategy.

Company status and governance

Citizens Advice is not a company in the commercial sense and has no trading status to check. It is a charity with statutory functions. The bodies that do appear in company status checks are the energy consultancies and brokers that the Energy Ombudsman lists as participants in its dispute scheme. As of September 2026, Corporate Utility Solutions Limited²¹, Energy Optimise Service²², Energy Swap²³, the Government Commercial Agency²⁴, Link Utility Consultants Limited²⁵ and LT Energy Consultants Ltd²⁶ are all recorded as active.

That distinction matters when a household is deciding who to trust. A broker or consultancy is a commercial entity whose status can change. Citizens Advice's role is set by statute and by regulator appointment, so it does not carry the same counterparty risk. The Energy Ombudsman, which handles disputes that suppliers fail to resolve, states that it is independent of the energy company¹⁰.

What it means for energy independence

Citizens Advice does not move a household off the grid, off gas or off a supplier. It cannot. What it does is reduce the information asymmetry that keeps households tied to bad suppliers and unresolved complaints.

Three things follow. First, the supplier ratings give a householder a published, comparable measure of customer service before committing to a contract, which is a form of market power that does not require switching technology⁷. Second, the Extra Help Unit referral route gives a household in a vulnerable position a way to escalate beyond its own capacity to argue⁴. Third, the heat network advocacy role gives consumers on communal and district heating systems, who cannot switch supplier at all, a formal voice in how that market is regulated⁶.

The dependence that remains is structural. A household on a heat network cannot change provider. A household on the gas grid cannot change the fuel without changing the heating system. A household in Northern Ireland is served by a different advice architecture entirely⁹. Citizens Advice operates within those constraints, improving the terms on which households deal with the market rather than removing the market from the household.

For the wider picture of what drives bills and what independence would require, see energy bills and energy independence and the pillar guide at energy bills and the price cap.