DECLINING SYSTEM ORGANISATION IN ENERGY LAW IN THE UNITED KINGDOM

1. Meaning and Concept

Declining system organisation in energy law refers to a situation in which the legal, institutional and technical arrangements governing an energy system gradually lose their ability to operate as a coherent and coordinated whole. The concept does not necessarily mean that the legal system disappears or that institutions stop functioning. Rather, it describes a progressive weakening of coordination, consistency, information flows, accountability and strategic direction between the different components of the energy system.

The UK electricity sector is particularly vulnerable to this problem because governance is distributed among Parliament, the Secretary of State, Ofgem/GEMA, NESO, network operators, suppliers, generators, code managers, local authorities, consumers and market institutions.

The modern system therefore depends upon continuous coordination:

Law → Institutions → Codes → Networks → Markets → Data → Consumers → Feedback to regulators.

If coordination between these elements deteriorates, the system may remain legally operational while becoming increasingly fragmented in practice.

2. Causes of Declining System Organisation

Several factors can produce declining organisation.

Fragmentation of authority

Different institutions may possess responsibility for different aspects of the energy system. Government may determine policy, Ofgem regulates licensed activities, NESO undertakes system-operation and strategic functions, and network companies operate physical infrastructure.

Fragmentation can create uncertainty about who is responsible for identifying a problem, who has authority to intervene and who bears the consequences of failure.

Regulatory complexity

The UK energy system contains numerous licences, codes, standards, statutory duties and regulatory decisions. Complexity can improve specialisation but can also produce overlapping or conflicting rules.

The Government's explanation of the Energy Act 2023 recognised that the existing energy-code governance arrangements had problems including conflicting interests, inadequate incentives to deliver policy change and insufficient regulatory influence over code-change processes.

Technological transformation

The traditional electricity system was largely organised around large generators, transmission networks, distribution networks and passive consumers.

Modern electricity systems contain solar generation, batteries, electric vehicles, heat pumps, demand-side response, smart meters, flexibility markets and digital control systems. These developments create relationships that older institutional structures were not necessarily designed to manage.

3. Energy Codes as an Example

Energy codes are particularly important because they contain detailed technical, operational and commercial rules governing the electricity and gas systems.

The Energy Act 2023 introduced a new governance framework under which designated code managers will be licensed and Ofgem will have enhanced strategic powers over designated codes.

This reform illustrates an important legal principle:

When an institutional structure becomes incapable of coordinating an increasingly complex system, legal reform may be required to restore system organisation.

The Act also gives GEMA powers concerning designated central systems and allows directions to bodies responsible for important IT systems supporting energy codes.

Therefore, declining organisation is increasingly understood not simply as a problem of individual companies but as a problem of system architecture.

4. NESO and Restoration of System Organisation

The creation of the National Energy System Operator (NESO) represents another response to fragmentation.

The Energy Act 2023 established the statutory framework for an independent system operator and planner. NESO began operating on 1 October 2024, with responsibilities extending beyond traditional electricity system operation into strategic planning across electricity and gas.

Its institutional purpose is significant because energy transition requires coordination between:

Generation + transmission + distribution + demand + gas + electricity + planning + markets.

The government's 2026 NESO framework describes Ofgem as the independent regulator responsible for regulating electricity and gas licensees and identifies statutory functions concerning NESO arising principally from the Electricity Act 1989, Gas Act 1986 and Energy Act 2023.

Thus, the creation of NESO can be understood as a legal attempt to reverse declining system organisation through institutional integration and strategic coordination.

5. Declining Organisation and Regulatory Decision-Making

A system can also become disorganised when institutions have access to large quantities of information but lack mechanisms for converting that information into coordinated decisions.

For example:

More data → more regulatory reports → more specialised assessments → fragmented institutional knowledge → slower strategic response.

The problem is therefore not necessarily lack of information. It can be failure to organise information across institutional boundaries.

This is increasingly important because electricity networks must simultaneously consider reliability, affordability, net zero, network capacity, consumer vulnerability and new technologies.

6. Relevant Case Law: SSE Generation Ltd v GEMA

A significant authority is R (SSE Generation Ltd) v Competition and Markets Authority [2022] EWCA Civ 1472.

The case concerned regulatory treatment of electricity-generation arrangements and the interaction between the Competition and Markets Authority and GEMA. The Court of Appeal examined the legal framework governing regulatory decision-making and the relationship between the relevant institutions.

The case is relevant to declining system organisation because it demonstrates that modern energy regulation involves multiple decision-making institutions whose powers and responsibilities must remain legally coherent.

The broader lesson is that institutional fragmentation cannot simply be ignored where regulatory decisions affect interconnected energy markets.

7. Relevant Case Law: British Gas Trading Ltd v Secretary of State

In R (British Gas Trading Ltd) v Secretary of State for Energy Security and Net Zero [2023] EWHC 737 (Admin), energy companies challenged government decisions concerning the transfer of Bulb's business to Octopus.

The Divisional Court emphasised that statutory decisions by the Secretary of State were amenable to judicial review and considered the legal boundaries of governmental decision-making in a highly complex energy-market context.

The case demonstrates the importance of institutional accountability where government intervention, regulatory oversight and commercial energy interests intersect.

The Court of Appeal subsequently considered the linked appeals in [2025] EWCA Civ 209.

8. Relevant Case Law: National Grid Gas v Environment Agency

In R (National Grid Gas plc) v Environment Agency [2007] UKHL 30, the House of Lords considered the statutory liability of National Grid Gas in relation to contaminated land originating from historic gas operations.

Although the case was principally about environmental liability, it demonstrates a broader feature of energy law: institutional and corporate structures can evolve over time while legal responsibilities associated with infrastructure and historical activity continue to have consequences.

This is relevant to system organisation because restructuring, privatisation and institutional separation do not necessarily eliminate historical legal relationships.

9. Judicial Review as a Corrective Mechanism

Declining organisation can potentially be corrected through public-law principles.

Judicial review can require public authorities to act within their statutory powers, consider legally relevant matters and follow procedurally lawful decision-making.

Energy governance therefore contains several corrective mechanisms:

Judicial review → regulatory appeals → Ofgem enforcement → licence conditions → statutory reform → institutional restructuring.

Ofgem currently possesses enforcement powers under the Electricity Act 1989, Gas Act 1986 and Energy Act 2023, including the ability to impose penalties and consumer-redress measures for relevant breaches.

These mechanisms prevent institutional fragmentation from becoming completely self-reinforcing.

10. Consequences of Declining System Organisation

If organisational coherence continues to deteriorate, several consequences may follow.

First, accountability becomes unclear. Consumers and businesses may struggle to determine which institution is responsible for a particular problem.

Second, regulatory delay increases. Multiple institutions may need to coordinate before action can be taken.

Third, investment becomes less predictable. Generators and network companies require clear signals regarding future infrastructure and market arrangements.

Fourth, reliability risks increase. Poor coordination between system planning and network investment can produce congestion and capacity constraints.

Fifth, the net-zero transition may slow down. Renewable generation, storage, electric vehicles and electrified heating require coordinated infrastructure planning.

11. Conclusion

Declining system organisation in UK energy law describes the gradual weakening of coherence between the legal rules, institutions, markets, technologies and infrastructures that collectively constitute the energy system.

The phenomenon arises from fragmented authority, regulatory complexity, technological change, institutional silos, information problems and outdated governance structures.

The UK's response has increasingly involved institutional redesign. The Energy Act 2023 strengthens energy-code governance and creates the statutory framework for an independent system operator and planner, while NESO provides a new mechanism for strategic coordination.

The central legal principle is therefore:

A complex energy system requires an equally coherent system of governance.

Where organisational coherence declines, individual institutions may continue performing their formal functions while the energy system as a whole becomes less capable of coordinating investment, reliability, affordability and decarbonisation. UK energy-law reform can consequently be understood not merely as regulation of individual market participants, but as an ongoing attempt to maintain and restore the organisational integrity of the entire energy system.