CONSUMER PROTECTION IN ENERGY MARKETS

Introduction

Consumer protection in energy markets concerns the legal rules designed to ensure that electricity and gas customers receive fair prices, accurate bills, transparent contracts, reliable supply and appropriate protection against harmful supplier practices. In Great Britain, the principal statutory framework is provided by the Electricity Act 1989, the Gas Act 1986, the Utilities Act 2000, the Domestic Gas and Electricity (Tariff Cap) Act 2018, consumer law and the supply licences administered by the Gas and Electricity Markets Authority (GEMA) through Ofgem.

Ofgem's principal regulatory objective under the Electricity Act 1989 and Gas Act 1986 is the protection of existing and future consumers. Energy suppliers must comply with detailed licence conditions dealing with billing, tariff information, switching, marketing, vulnerable consumers, disconnection and prepayment meters.

Supplier Licensing and Standards of Conduct

Energy supply is a licensed activity. Suppliers must comply with the Standard Licence Conditions attached to electricity and gas supply licences. Ofgem can modify licence conditions, investigate breaches and impose enforcement measures where suppliers fail to protect consumers.

Important protections include requirements relating to accurate billing, back-billing restrictions, notification of price changes, fair marketing, Priority Services Registers, debt collection and prepayment meters. Licence conditions also require tariff information to be presented clearly so that consumers can make informed decisions.

Energy Price Cap

The statutory energy price cap protects domestic consumers on standard variable and default tariffs by limiting the amount suppliers may charge per unit of energy and through standing charges. Ofgem reviews the cap every three months.

For the period 1 October to 31 December 2026, Ofgem has set the illustrative annual cap for a typical dual-fuel direct-debit household at £1,723, although actual bills remain dependent upon consumption. The cap therefore regulates prices rather than guaranteeing a fixed total household bill.

Protection of Vulnerable Consumers

Energy regulation gives particular attention to consumers who may experience disability, age-related vulnerability, financial hardship or dependence on electricity for essential needs. Suppliers maintain Priority Services Registers and must provide appropriate assistance. Licence conditions also regulate debt collection and disconnection practices.

Consumer protection consequently extends beyond conventional contract law and reflects the essential-service character of electricity and gas.

CASE LAW

R (British Gas Trading Ltd) v Gas and Electricity Markets Authority [2019] EWHC 3048 (Admin)

Facts: British Gas challenged Ofgem's methodology for implementing the statutory default-tariff price cap. The dispute concerned whether the regulator had properly treated certain wholesale-energy costs when establishing the cap.

Legal Issue: Whether Ofgem had lawfully exercised its statutory powers when determining the price-cap methodology.

Judgment: The High Court found deficiencies in aspects of Ofgem's approach and granted relief concerning the treatment of relevant costs.

Legal Principle/Ratio: Consumer-protection regulation must be exercised within statutory powers and according to principles of rationality and procedural fairness.

Significance: The case demonstrates that protecting consumers through price regulation must be balanced with lawful consideration of supplier costs and regulatory process.

R (ScottishPower Energy Retail Ltd) v Gas and Electricity Markets Authority [2022] EWHC 37 (Admin)

Facts: Following the collapse of Extra Energy, Ofgem appointed ScottishPower as Supplier of Last Resort. ScottishPower later disputed Ofgem's refusal to permit recovery of approximately £3.1 million in customer debt costs through the industry levy.

Legal Issue: Whether Ofgem had unlawfully fettered its discretion or acted irrationally when determining recoverable costs.

Judgment: The High Court examined Ofgem's exercise of discretionary regulatory powers and the applicable published criteria.

Legal Principle/Ratio: A regulator may adopt policies to promote consistency but must remain willing to consider exceptional circumstances and cannot rigidly fetter statutory discretion.

Significance: Supplier-failure mechanisms are themselves forms of consumer protection because they preserve continuity of essential electricity and gas supply when an energy company collapses.

Conclusion

Consumer protection in energy markets combines licensing, price regulation, billing rules, vulnerable-consumer safeguards, switching rights, supplier-failure protection and regulatory enforcement. Ofgem must balance affordability and fairness for consumers with the financial sustainability of licensed suppliers. The case law shows that strong consumer protection is legally permissible and central to energy regulation, but regulatory decisions must remain rational, procedurally fair and consistent with statutory authority.