In a winery, cooling is part of making and protecting the product. That makes its electricity use a production question as well as a line on the accounts report. A cheaper operating setting is no saving if it compromises the process it is meant to support.
Before the next busy production period, a conversation between the production team, the person paying the energy bill and the refrigeration contractor can be more useful than comparing equipment brochures in isolation.
Put operating patterns beside the bill
Begin with the equipment already on site. Record which systems serve which jobs, when they run and who can change their settings. Compare electricity use with production activity rather than treating a high-use day as a problem without context.
EECA's refrigeration guidance identifies refrigeration as a significant energy user for many businesses. Its practical approach is to consider operation and system performance alongside replacement technology. A winery can apply that thinking without assuming every site has the same cooling demand.
For example, an unexpected overnight load warrants a different conversation from a planned cooling peak during processing. The useful question is whether the demand is necessary, understood and being met efficiently. Temperature requirements and product quality remain the starting point.
Make the contractor visit specific
Bring a short record of recurring faults, unusual run times and any changes in the way spaces or vessels are used. Ask what should be measured before a recommendation is made. A system installed for an earlier production pattern may need a different operating strategy, but changes should be assessed by people who understand the equipment and the process.
If an upgrade is proposed, compare expected operating costs, service support, installation downtime and how the new system will be controlled. Avoid treating the purchase price as the whole decision.
Finally, assign responsibility for checking performance after the work. A simple comparison of energy use under similar production conditions, supported by the contractor's measurements, is more informative than assuming a new machine must be delivering the expected result.
Explore more agriculture articles from BusinessTalk.
Related reading: Marlborough Wine: The Business Behind New Zealand’s Largest Wine Region.
