How to build a power and HVAC contingency plan that keeps operations running

Introduction

Foresight is essential in project management. A detailed plan can help keep projects on track, but it cannot prevent every factor beyond your control.

Contingency planning helps organisations prepare for disruption before it happens, reducing the impact of events such as equipment failure, power outages, extreme weather or temperature control issues.

For many organisations, however, contingency planning needs to go beyond office-based processes, IT recovery plans or communication protocols. It also needs to consider the physical infrastructure that keeps operations running: power, heating, refrigeration, cooling, ventilation, dehumidification and fuel supply.

What is contingency planning?

Also known as a business continuity plan, it is a formal process for preparing for events that could disrupt a project, site or ongoing operation. A strong plan helps a company stay operational during disruption, protecting revenue, safety and customer confidence.

For businesses that depend on power, heating, refrigeration, cooling or ventilation, contingency planning helps protect against hazards that could damage productivity, perishables, equipment or critical environments.

For example, a company handling frozen or chilled goods could face significant product loss if refrigeration or power systems fail unexpectedly. Similarly, a construction site, data centre, manufacturing plan or healthcare facility may need a clear response plan for flooding, extreme weather, equipment failure or power loss.

Why power and temperature control need to be part of your business continuity plan

Many business continuity plans focus on people, processes, IT systems and communications. These are all important. But operational resilience also depends on the equipment and environmental conditions that allow a site to function.

For manufacturers, a power outage can stop production lines, affect product quality and cause significant downtime.
For food and beverage businesses, a refrigeration fault can put stock integrity at risk.
For data centres, power and cooling are both critical to uptime.
For healthcare and pharmaceutical environments, temperature control can be linked to patient care, product stability and compliance.
For events, construction, utilities and infrastructure projects, a lack of contingency planning can quickly lead to delays, safety issues and financial losses.

A robust business contingency plan for power and temperature control should identify the systems that are business critical, the risks that could disrupt them and the temporary equipment needed to keep operations running.

That could include emergency generators, temporary cooling, heating, boilers, dehumidification, battery energy storage systems, distribution equipment , fuel management and remote monitoring. The right solution will depend on the site, load profile, environment, sector and consequences of disruption.

Loading component...

What can happen without a contingency plan?

Without a practical contingency plan in place, businesses are often forced to make critical decisions under pressure. That can lead to delays, higher costs and avoidable operational risk.

A site may not know which systems need to be prioritised. Connection points may not be available or suitable. Access routes may not be ready for larger temporary equipment. There may be no agreed fuel plan, no confirmed escalation route and no clear understanding of how quickly power, cooling or heating needs to be restored.

The consequences can include:

Loss of production or operational downtime
Damage to critical assets or equipment
Loss of temperature sensitive stock
Delays to projects or events
Safety risks for employees, contractors or customers
Compliance issues in regulated environments
Increased cost from reactive emergency response
Reputational damage if customers or stakeholders are affected

Contingency planning is a case of calculated anticipation: identifying potential threats and agreeing suitable countermeasures. It’s difficult to contemplate potential risks posed by floods, fires, storms or power outages, but a meticulous business continuity strategy can ensure that neither productivity, critical assets, nor, above all, employee safety is compromised.

What should be included in a contingency plan?

Creating a practical contingency plan means considering a range of potential risks based on the specific factors of your business or project.

Essentially, a business continuity plan asks ‘what if?’ for a variety of possible scenarios and provides an answer for each:

What if flood water risks damaging critical assets? Dehumidification equipment could be immediately deployed.
What if production loses power? A pre-agreed temporary generator and distribution plan could be activated.
What if cooling fails? A temporary chiller, air handling or ventilation solution could be installed to meet the site’s requirements.

A strong plan should include:

Critical assets and loads

Identify the equipment, processes and environments that must continue operating during a disruption. This could include production machinery, refrigeration systems, process cooling, data halls, medical equipment, laboratories, HVAC systems, pumps, lighting, safety systems or temporary site infrastructure.

Not every load will have the same priority. A contingency plan should distinguish between essential, important and non-critical systems so that the right temporary solution can be deployed quickly.

Power requirements

For power contingency planning, businesses should understand their current and peak demand, voltage requirements, connection points, distribution needs and runtime expectations. This helps determine whether the site may need a temporary generator, battery energy storage system, hybrid power solution, load bank testing or supporting distribution equipment.

The aim is to understand what capacity is needed, where equipment can be positioned, how it will be connected, and how it will be operated safely.

Heating, cooling and refrigeration needs

Temperature control can be just as critical as power. A plan should consider where heating, cooling, refrigeration, ventilation or dehumidification may be needed, what temperature range must be maintained, and how quickly conditions need to be restored.

This is important for temperature-sensitive sectors such as food and beverage, healthcare, pharmaceuticals, manufacturing and data centres.

Site access and equipment location

Temporary power and HVAC equipment needs space, access and safe installation conditions. A contingency plan should identify where equipment can be placed, how it will be delivered, and whether there are any restrictions relating to access roads, lifting requirements, noise, ventilation, emissions, security or proximity to connection points.

These details can speed up emergency response.

Fuel and runtime planning

Where temporary generation is required, fuel supply must be considered. This includes expected runtime, refuelling frequency, site storage, delivery access and monitoring requirements. A fuel management plan can help reduce the risk of interruption once equipment is operating.

Safety and compliance

Every contingency plan should consider safe installation, operation and maintenance. This includes electrical safety, ventilation, emissions, temperature risks, site-specific hazards and any sector-specific compliance requirements.

For regulated environments, such as healthcare, pharmaceuticals, food production or utilities, contingency plans need to reflect stricter operational standards.

Roles and escalation routes

A plan is only useful if people know how to use it. Businesses should define who is responsible for activating the plan, who approves equipment deployment, who coordinates with suppliers, and who communicates with internal teams, customers or stakeholders.

Clear escalation routes can save valuable time during an emergency.

Testing and review

A contingency plan shouldn’t be created once and forgotten. Site demands change, equipment changes, production schedules change and risk profiles evolve. Plans should be reviewed regularly and tested where appropriate, so the business can be confident that the agreed response will still work when needed.

Loading component...

Emergency response vs planned contingency

Emergency response is essential when disruption has already happened. But response is faster, safer and more effective when contingency planning has been completed in advance.

When a site has already assessed its critical loads, connection points, equipment requirements, access routes and safety considerations, temporary power and temperature control solutions can be mobilised with greater confidence. Without this preparation, valuable time can be lost gathering information, identifying suitable equipment, checking access requirements and confirming how systems should be connected.

This is where planned contingency makes a significant difference. It turns a reactive emergency into a prepared response.

Whether it’s an emergency generator, industrial cooling, heating equipment or dehumidification support, a strong contingency plan provides a clear route from disruption to recovery.

Loading component...

How Aggreko can support your contingency planning

At Aggreko, we support contingency planning with practical options for emergency power and temperature control, helping organisations respond quickly when disruption occurs.

Our teams can help you assess your site, understand your critical requirements and identify the right temporary power, heating, cooling, dehumidification or fuel management solution for your operation.

That support can include:

Site assessments and contingency planning
Temporary power solutions
Emergency generators
Cooling and heating equipment
Dehumidification
Battery energy storage systems
Power distribution
Fuel management
Remote monitoring
Rapid mobilisation and installation support

The result is a business continuity plan that is practical, site-specific and ready to support your operation when you need it most.

Loading component...

Loading component...

Keep your operation ready for the unexpected

Contingency planning is about making sure your business, project or site can respond effectively when the unexpected happens.

Power outages, extreme weather, flooding, equipment failure and temperature control issues can all create serious operational disruption. But with a carefully considered business continuity strategy, organisations can protect productivity, critical assets, revenue, reputation and employee safety.

By planning ahead, you can identify risks earlier, confirm support required and reduce recovery time.

Contact Aggreko today to discover how we can help your business stay operational when you need it most.

Loading component...

Get in touch

Ready to work together?

Tough challenge in a tough location? Complex kit in a demanding environment? Emissions targets to hit? We’ve got you. For as long as you need us. Switch to Aggreko, and keep your world on.