Electricity Act 1989: Primary legislation governing the electricity sector in England and Wales, establishing the regulatory framework for electricity generation, transmission, distribution, and supply.

Utilities Act 2000: Key legislation that modified the regulatory structure of the energy sector, including provisions for consumer protection and competition.

Energy Act 2004: Legislation covering various aspects of energy regulation, including provisions for renewable energy and energy efficiency.

Consumer Rights Act 2015: Comprehensive legislation protecting consumer rights in the UK, including rights related to utility services.

OFGEM Regulations: Regulatory requirements set by the Office of Gas and Electricity Markets, the government regulator for electricity markets.

DCUSA: Distribution Connection and Use of System Agreement - multi-party contract between licensed electricity distributors, suppliers and generators.

Electricity Safety, Quality and Continuity Regulations 2002: Regulations ensuring the safety and quality of electricity supply and distribution systems.

UK GDPR: UK General Data Protection Regulation governing the processing and protection of personal data.

Data Protection Act 2018: UK's implementation of data protection requirements, complementing and working alongside UK GDPR.

PECR: Privacy and Electronic Communications Regulations governing electronic communications and data privacy.

Consumer Contracts Regulations 2013: Regulations protecting consumers in distance selling and off-premises contracts, including information requirements and cancellation rights.

Consumer Protection from Unfair Trading Regulations 2008: Legislation prohibiting unfair commercial practices and protecting consumers from misleading actions or omissions.

Electronic Communications Act 2000: Legislation governing electronic signatures and authorization requirements for electronic communications.

Common Law Principles: Legal principles established through court decisions regarding valid consent and authorization in contract law.