Article by SEFE Energy

With energy prices still elevated and operational pressures mounting, many food and beverage businesses are looking for practical ways to manage their costs without disrupting production. While long‑term decarbonisation plans remain important, one of the most effective steps organisations can take right now is to reduce the amount of energy they use day to day. That’s where energy audits and process‑level efficiency improvements can make a significant difference – often with minimal investment.

For businesses operating on tight margins, understanding exactly how and where energy is being used is one of the quickest ways to uncover savings. An energy audit is essentially a structured review of how your organisation consumes energy across equipment, processes, and behaviours, giving you a clear picture of what’s driving up your bills and where improvements could be made with minimal disruption.

Contrary to the popular perception that audits are always time-consuming or prohibitively technical, they are often one of the simplest and most impactful steps an organisation can take in addressing their energy usage. A thorough approach to the audit process doesn’t just look at individual equipment, but also considers how systems interact with each other – from the layout of your buildings to the condition of fixtures, controls, and insulation. As a result, efficiency gains that wouldn’t necessarily be visible through isolated period checks are uncovered.

For the Food & Beverage industry specifically, there are a few main areas in which potential energy savings are frequently identified:

Refrigeration

Refrigeration runs continuously and is often the single largest electricity load on site. Small adjustments such as tightening door seals, improving airflow, reviewing temperature set-points, or staggering defrost cycles can deliver measurable reductions without compromising food safety. An audit may also look at whether refrigeration units are appropriately sized or whether older equipment is cycling inefficiently, both of which can lead to unnecessary energy waste.

Heat and steam processes

Pasteurisation, cooking and sterilisation cycles all use huge amounts of heat. Audits often highlight scope for:

• Recovering waste heat to pre-warm water
• Insulating pipework and tanks
• Optimising boiler sequencing
• Reducing standby losses

Even modest improvements in these areas can significantly reduce operating costs. Additionally, simple shifts in timing, such as grouping heat-intensive tasks, can reduce peak demand and improve overall system efficiency.

Motors, pumps and compressors

Many sites run equipment at full capacity even when demand fluctuates. Using variable-speed drives, reviewing duty cycles, or fixing compressed-air leaks can yield quick wins. Poorly maintained motors and compressors can draw significantly more power than necessary, and resolving this doesn’t always require new equipment. Sometimes simple servicing is enough to lower consumption.

Lighting and building energy use:

Though typically smaller compared to process loads, lighting and HVAC are still a major contributor to energy bills, especially in a large production or warehousing environment where temperature control and all-hours operation is critical. LED upgrades, occupancy sensors, and improved zoning can all reduce consumption.

In a challenging environment where every kilowatt counts, targeted efficiency measures offer food and beverage businesses a practical route to cost savings. With a well-executed audit, improvements can begin almost immediately and continue to deliver value over time.