Facilities operating inside nuclear Detailed Emergency Planning Zones (DEPZ) must have formal emergency and continuity planning under the UK Radiation (Emergency Preparedness and Public Information) Regulations – REPPIR 2019.

Emergency Preparedness for Organisations Near Nuclear Sites

If a major incident occurred near your site, would your organisation be ready to respond?

We provide practical crisis planning for businesses operating close to high-hazard infrastructure.

Across the UK, many organisations operate close to major nuclear facilities. These include civil nuclear power stations, nuclear research centres, and defence facilities such as the Atomic Weapons Establishment (AWE).

While nuclear facilities operate under extremely strict safety controls, national regulations require detailed emergency planning for the unlikely event of a major incident.

Organisations located near these facilities should understand how such an incident could affect their staff, operations and access to their sites.

Jennings Consulting supports organisations in strengthening emergency preparedness, crisis management and operational resilience where operations intersect with nuclear infrastructure.

Every nuclear site has surrounding companies that must coordinate with local emergency plans.

Nuclear Sites Across the UK

The UK hosts a number of major nuclear facilities, each surrounded by emergency planning zones coordinated by local authorities.

Examples include:

Civil nuclear sites: Hinkley Point (Somerset), Sizewell (Suffolk), Sellafield (Cumbria), Hartlepool Power Station (Teesside), Heysham Power Stations (Lancashire), Dungeness (Kent).

Defence and nuclear research facilities: Atomic Weapons Establishment (AWE) Aldermaston, AWE Burghfield, Rolls-Royce nuclear propulsion facility (Derby), Devonport Naval Base (Plymouth).

These sites support critical national infrastructure and operate under strict regulatory frameworks. Local authorities maintain emergency plans covering surrounding communities and organisations.

Organisations near Defence and Nuclear Research Sites require advanced emergency planning. These organisations support nuclear naval programmes and require strict incident response planning.

The Atomic Weapons Establishment (AWE)

The Atomic Weapons Establishment operates two major sites in Berkshire:

  • AWE Aldermaston

  • AWE Burghfield

Both sites are located within the Reading–Tadley–Burghfield corridor and are surrounded by established business parks, industrial estates and logistics facilities.

Areas including Aldermaston, Tadley, Burghfield, Mortimer and Theale sit close to these sites.

Businesses operating in these areas may need to consider how they would respond if authorities issued emergency instructions affecting access to their facilities or the movement of employees.

Businesses that operate within the regulated nuclear ecosystem require emergency planning, crisis response exercises, and resilience frameworks.

How we help

Jennings Consulting specialises in strengthening organisational capability to respond to major incidents.

Support typically includes:

Emergency preparedness reviews
Independent assessment of existing emergency and continuity arrangements.

Crisis management frameworks
Clarifying leadership roles, decision structures and communication protocols.

Incident command training
Helping leadership teams understand how to manage complex incidents.

Scenario exercises
Facilitated exercises designed to test plans under realistic conditions.

Operational resilience planning
Ensuring organisations can continue operating under disruption.

The aim is to ensure that emergency plans are practical, understood and executable.

  • Organisations operating near nuclear infrastructure often include:

    • engineering and manufacturing companies

    • logistics and distribution centres

    • laboratories and pharmaceutical facilities

    • technology companies and data centres

    • large corporate offices

    • defence or infrastructure suppliers

    Many organisations in business parks near nuclear facilities may not realise how external incidents could affect their operations.

  • Even where organisations are not directly regulated by nuclear authorities, proximity to a high-hazard site creates specific operational risks.

    These may include:

    • restricted access to sites during an incident

    • disruption to transport routes

    • temporary evacuation or shelter instructions

    • workforce displacement

    • communication challenges with employees and contractors

    • operational downtime

    Organisations with large workforces or critical operations benefit from ensuring that emergency planning is realistic and operationally practical.

  • Many organisations already have documentation labelled:

    • Business Continuity Plan

    • Emergency Response Procedure

    • Crisis Management Plan

    However, these plans often focus on internal incidents such as fire, IT failure or severe weather.

    Major external events introduce additional challenges, including:

    • rapid decision making under uncertainty

    • coordination with public authorities

    • managing employee safety across multiple locations

    • maintaining operations if staff cannot access a facility

    Without testing these scenarios, organisations cannot be confident their plans would work in practice.

  • Organisations operating near high-hazard infrastructure should be able to answer the following questions clearly.

    • Do we know whether our site sits near a nuclear facility or within an emergency planning zone?

    • Who leads our organisation during a major external incident?

    • How would we communicate with employees within minutes of receiving official instructions?

    • Could our operations continue if staff could not access the site for 24–48 hours?

    • Has our emergency response plan ever been tested through a realistic exercise?

    If these questions are difficult to answer, reviewing current arrangements can help identify practical improvements.

  • Around each nuclear site, local authorities define detailed emergency planning zones.

    Within these areas, emergency services and public authorities coordinate plans to protect the public should an incident occur.

    These zones typically include:

    • business parks

    • manufacturing facilities

    • logistics hubs

    • laboratories

    • office campuses

    For example, areas around Reading, Theale, Tadley and Aldermaston fall within the planning zones for the Atomic Weapons Establishment (AWE).

    Organisations operating in these areas may need to understand how their operations would respond to emergency instructions from authorities.

  • Organisations do not need complex programmes to strengthen preparedness.

    Often the most effective actions include:

    • reviewing emergency and business continuity documentation

    • clarifying leadership roles during an incident

    • establishing clear communication protocols

    • running tabletop exercises with senior leaders

    • ensuring plans reflect realistic operational constraints

    Testing plans through simple exercises often reveals issues that documentation alone does not identify.

Request a Preparedness Discussion

If your organisation operates near a UK nuclear facility or an Atomic Weapons Establishment (AWE), it may be helpful to review whether current emergency planning arrangements are sufficient.

Jennings Consulting works with organisations that want practical, operationally realistic preparedness planning.

Get in touch to see how we can help.