Comparing Vending Energy Figures: Annual Consumption and Maximum Power Are Different
A vending quotation can contain several energy figures that look comparable but answer different questions. A maximum power figure helps describe electrical demand. Annual consumption describes energy used over a stated period or standard test. Confusing them can distort a buying comparison before the machine reaches your premises.
The useful starting point is to keep the original units beside every number. Ask the supplier which exact model and configuration each document describes, then separate the installation information from the running-cost estimate. This makes an unfamiliar technical sheet much easier to discuss with facilities and finance colleagues.
Read the unit before using the figure
Watts and kilowatts describe power. Kilowatt-hours describe energy. A device drawing one kilowatt continuously for one hour uses one kilowatt-hour. That relationship does not establish how long a refrigerated vending machine operates at any particular power level during an ordinary working day.
For example, the official SandenVendo G-Snack Evolution specification lists maximum power as 350 W. It does not say the machine draws that amount continuously all year. Multiplying it by every hour in a year would be a stated constant-load scenario, not a verified annual consumption figure for your installation.
Ask for the model's annual information
The European Commission’s commercial refrigeration guidance explains that relevant energy labels include annual consumption in kWh. Ask for the applicable label and product information sheet for the actual offered equipment. Keep the model identifier visible when comparing documents from different suppliers.
Check whether a quoted annual figure comes from a standardised label, a supplier estimate or a measured site record. These sources can all be useful, but they are not interchangeable. Record the source and assumptions rather than copying the number into a spreadsheet without its explanation.
A measured record needs context too. Establish the dates, whether the machine was fully operating and whether the measurement included other equipment. A shared socket or a building-wide electricity bill cannot automatically isolate one machine’s consumption. Have a competent person arrange suitable measurement where it is needed.
Build a transparent cost illustration
Suppose, purely as an example, the annual consumption used in a comparison is 1,000 kWh and the chosen electricity unit rate is €0.30 per kWh. The energy component would be €300. Neither figure is a quote for this business, a model specification or a prediction for your site.
Keep standing charges, taxes and any other contract components separate and use a consistent basis across options. If the rate changes, revise the rate. If consumption is uncertain, show a clearly labelled range instead of disguising uncertainty with a precise-looking total. Do not include unrelated building charges as though the machine caused them.
Carry the comparison into the purchase decision
Energy is one part of choosing vending equipment for an Irish site. Capacity, product suitability, service access and the operating arrangement still matter. A lower quoted energy number is not useful if it describes a different configuration or cannot be traced to a credible source.
Before approval, give the decision-maker the model, annual figure, evidence source, electricity rate and exclusions on one page. Retain the power information separately for the installation discussion. That record can later be compared with actual operation without pretending that the original estimate was a guarantee.
Related guidance: Your Second Year of Vending Ownership: Rebuild the Budget from Actual Records.
Planning or reviewing vending at your site? Contact the team with your location, equipment details and the question you would like to resolve.