Key organisations

Regulators, operators, government departments, and consumer bodies — who does what and how they interact across the energy system.

Market rules and governance

Industry codes, balancing mechanisms, settlement rules, and the change processes that shape how electricity is traded and priced.

Network regulation

How Ofgem sets price controls, approves investment, and holds transmission and distribution operators to account through RIIO frameworks.

Planning and forecasting

Future Energy Scenarios, Strategic Spatial Energy Plan, and how NESO models demand, generation mix, and network requirements out to 2050.

Methodology and sources

Last reviewed: 17 March 2026

This hub links to detailed pages covering decision rights, industry code governance, policy reforms, and the institutions that run Britain's energy system. Content drawn from Ofgem publications, NESO documents, and primary legislation.