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United Kingdom Act

Energy Act 2013

The Energy Act 2013 is a wide UK Act that affects very different businesses in very different ways.

Current legislationUnited KingdomPlain-English guide7 practical checks

Plain-English explainers, not legal advice. Use the linked official source for section-level detail, and get advice for your situation.

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Quick read

  • The Energy Act 2013 is a large UK Act with very different effects depending on what your business actually does.
  • Most SMEs will not need the whole Act.

Likely relevant if

  • Residential landlords letting homes, especially in the private rented sector
  • Letting agents and property managers handling move-ins, inspections, repairs and compliance records
  • Electricity generators, project developers and investors involved in low-carbon generation projects

Check first

  • Identify whether your business falls within a part of the Act that is relevant to its activities.
  • Check the detailed regulations, licence conditions, market rules, notices or scheme documents made under the Act before relying on it operationally.
  • If you let or manage residential property, review the current alarm regulations linked to the Act and build compliance checks into your property processes.

What the Energy Act 2013 covers

The Energy Act 2013 is a broad UK Act covering several separate legal regimes. Its contents show parts on decarbonisation, electricity market reform, nuclear regulation, the government pipe-line and storage system, strategy and policy statements, consumer protection and miscellaneous matters.

That matters because most businesses should not read the Act as if every part applies to them. In practice, you need to identify the part linked to your activity. A landlord, electricity supplier, generator, investor and nuclear contractor may all be affected, but in very different ways.

Practical sense check

  • Start with your business activity, not the Act's title
  • Check whether you are dealing with residential lettings, electricity generation, electricity supply, market participation or nuclear work
  • Treat the Act as a framework document where later regulations or licence conditions may contain the operational detail
  • Avoid assuming that a topic mentioned in the Act gives you the full compliance answer

Who is in scope

The businesses most likely to need this Act are those operating in regulated energy or housing-related areas. The contents show direct relevance for low-carbon electricity support, capacity market arrangements, emissions controls for certain generating stations, nuclear regulation and smoke and carbon monoxide alarms.

Many smaller businesses will only ever need one narrow part. A letting agency may only care about the alarm framework. A project developer may focus on contracts for difference or capacity arrangements. A specialist engineering contractor may only need the nuclear compliance parts because of the sites it works on.

Key points

  • Residential landlords and portfolio landlords
  • Letting agents and property managers
  • Electricity generators and developers
  • Electricity suppliers
  • Investors and project companies in energy infrastructure
  • Civil nuclear operators and contractors

Landlords, agents and smoke or carbon monoxide alarms

For many property businesses, the most relevant part of the Act is section 150 on smoke and carbon monoxide alarms. The practical point is to read this carefully. The Act identifies the topic and provides the legal basis for this area, but it should not be treated as the full source of day-to-day landlord duties.

If you let or manage homes, your operational obligations are likely to come from later regulations made under this framework. So you should not assume the Act alone tells you exactly when alarms must be installed, checked, maintained or evidenced. Those details need to be checked in the current rules that apply to your property type and location.

In practice, alarm compliance often becomes important when a property is being prepared for occupation, handed over to a tenant, inspected, repaired or managed through an agent. Even where the detailed trigger points sit in later regulations, this is still an area where weak systems and poor records can create avoidable risk.

If you are a landlord using an agent, do not assume the agent automatically carries the whole compliance burden. Your management agreement should clearly say who arranges installation, checks, maintenance records and tenant communications.

Practical sense check

  • Check whether your property falls within the private rented sector or another category with different rules
  • Check the current regulations that sit under the Act before relying on any alarm process
  • Build alarm checks into your property onboarding, inspection and handover process
  • Keep dated records of installation, checks, maintenance and tenant communications
  • Review your agency agreement so responsibility for compliance tasks is clearly allocated
  • Make sure repair reporting and replacement steps are documented and easy to follow

Electricity market reform, contracts for difference and capacity market

Part 2 of the Act contains the main electricity market reform framework. The contents show provisions on contracts for difference, a CFD counterparty, supplier obligations, standard terms, notifications, allocation of CFDs, payments to electricity suppliers, information and advice, enforcement and licence modifications.

The same Part also creates the framework for the capacity market. The contents refer to electricity capacity regulations, capacity agreements, capacity auctions, a settlement body, functions of the Authority or national system operator, capacity market rules, enforcement and dispute resolution.

For many SMEs, this part only matters if your revenue model, project finance or market participation depends on these schemes. The Act is commercially important because it creates the legal architecture. But the practical obligations are likely to sit in regulations, market rules, licence conditions, standard terms and project documents rather than in the headline Act alone.

If you are buying, funding or developing an energy project, this is a due diligence issue. You need to know whether the project depends on a support mechanism created under the Act and whether the contracts properly allocate scheme risk, reporting duties and change risk.

Key points

  • Developers should check whether project economics depend on a contract for difference or related support mechanism
  • Suppliers should identify any payment or participation obligations created under regulations made under the Act
  • Investors should review whether project documents deal with scheme eligibility, allocation and change risk
  • Operators should check whether licence modifications or market rules affect operations, settlement or reporting
  • Commercial teams should confirm who is responsible for notices, data and scheme communications

Emissions controls for certain generating stations

Chapter 8 of Part 2 deals with the emissions performance standard. The contents refer to a duty not to exceed an annual carbon dioxide emissions limit, an exemption linked to carbon capture and storage, suspension of the emissions limit in exceptional circumstances, and monitoring and enforcement.

The schedules also show that enforcement regulations may include enforcement notices and financial penalties. That tells businesses this is not just a policy statement. It is a framework that can support active compliance and enforcement for assets within scope.

This is not a general rule for every business premises, boiler or factory. It is aimed at electricity generation infrastructure within the regime. If your business owns, develops, acquires or finances generating stations, you should check early whether the asset profile, technology and operating model bring it within the emissions limit framework.

That check is especially important in transactions, refinancing and project development. A buyer or lender will usually want to know whether monitoring, exemptions or enforcement exposure could affect the asset's value or operation.

Practical sense check

  • Check whether the asset is a generating station within the relevant regime
  • Review whether any exemption linked to carbon capture and storage may be relevant
  • Check what monitoring and enforcement rules apply under later regulations
  • Make sure operational and compliance teams know who owns emissions reporting responsibilities
  • Review transaction documents and technical due diligence for emissions framework risk

Nuclear regulation and the Office for Nuclear Regulation

Part 3 is a major part of the Act. It sets out the purposes of the Office for Nuclear Regulation, provides for nuclear regulations, establishes the ONR and gives it functions including enforcement, investigations, inquiries, information powers and fees.

The contents also show general duties of employers, employees and others, offences relating to false information and deception, rules on notices and electronic delivery, and schedules dealing with inspectors, powers of entry, improvement notices, prohibition notices, information requests and protected information.

This part mainly affects businesses in the civil nuclear sector and businesses working closely with regulated nuclear operators. If that is your business, the Act points to a formal compliance environment where records, training, document control, incident handling and regulatory communications matter.

Contractors should not assume that only the site licence holder faces risk. If your staff work on site, handle regulated materials, transport relevant items, respond to inspectors or hold protected information, your own systems and contracts may need to reflect those obligations.

Practical sense check

  • Check whether your work is carried out on or for a regulated nuclear site or activity
  • Identify who in your business handles inspections, notices and information requests
  • Train staff on document handling, site access and responses to inspectors
  • Review confidentiality controls where protected information may be received or shared
  • Check whether fees, approvals, licences, registrations or notifications apply to your activities
  • Keep incident escalation and record-keeping procedures up to date

Documents and conduct to review

Because the Act often creates frameworks rather than every operational rule, businesses should focus on the documents and conduct that prove compliance with the detailed rules made under it. The exact records will depend on which part of the Act affects you.

For landlords, that may mean property handover records and maintenance logs. For energy businesses, it may mean scheme participation documents, licence correspondence, monitoring data and notices. For nuclear businesses, it may include training records, approvals, incident logs and controls around protected information.

Key points

  • Property compliance files and dated handover records
  • Maintenance logs and repair records
  • Scheme participation documents and notices
  • Licence-related correspondence and compliance reports
  • Monitoring data for regulated assets
  • Training records and incident reports
  • Contracts allocating compliance tasks, reporting duties and information handling

Dates and status

The Act is cited as the Energy Act 2013 and was enacted in 2013. The official legislation states that it is up to date with changes known to be in force on or before 28 July 2026, and also notes that there are changes that may be brought into force at a future date.

Before relying on any particular provision, check the current version of the Act and any regulations, licence conditions, market rules or other instruments made under it. That is especially important where your business depends on one narrow part of the Act rather than the wider framework.

How businesses should use this Act

The safest way to use the Energy Act 2013 is as a map to the legal framework affecting your operations. It tells you where the relevant regime sits, but many practical duties will be found in later regulations, scheme rules, licences, notices or sector documents.

For a time-poor business owner, the right question is usually not whether the whole Act applies. It is which part of the Act creates the framework for the rules you actually follow. Once you identify that part, you can review the current detailed rules and assign responsibility inside the business.

Practical sense check

  • Identify the exact part of the Act linked to your business activity
  • Check the current version of the relevant provisions
  • Review any regulations, licence conditions or market rules made under those provisions
  • Allocate responsibility for compliance tasks in writing
  • Keep records that show what was checked, done and communicated

Common questions

Does the Energy Act 2013 apply to every business that uses energy?

No. It is not a general rulebook for all businesses. It mainly matters if your business is involved in residential lettings, electricity generation or supply, regulated market participation, certain generating assets, or civil nuclear activities.

Does the Act itself contain the full smoke and carbon monoxide alarm rules for landlords?

Not on the material checked at the last review. The Act includes smoke and carbon monoxide alarms in section 150, but the practical landlord duties are usually set out in later regulations. Landlords and agents should check the current regulations that apply to their properties.

What does the Act do for electricity market reform?

It creates the legal framework for major electricity market reform measures, including contracts for difference, a CFD counterparty, supplier obligations, capacity agreements, auctions, settlement arrangements, enforcement and related licence modifications.

Is the emissions performance standard a rule for ordinary commercial premises?

Usually no. The emissions performance standard provisions are aimed at certain generating stations and related infrastructure, not ordinary offices, shops, warehouses or standard commercial heating systems.

Why would a contractor care about the nuclear parts of the Act?

If you work on or for a regulated nuclear site, the Act can matter even if you are not the main operator. It covers inspections, information powers, notices, records, offences and restrictions around protected information.

Should a business rely on the Act alone?

Usually not. The Act often creates the framework only. The practical detail may sit in later regulations, licence conditions, market rules, notices, codes or project documents.

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