Storage costs can add up without anyone noticing. And before you know it, quarterly numbers are falling and margins are thinner than expected. But there is often a positive side behind this: Most warehouse operations have meaningful room to reduce costs without sacrificing production volume or service quality.
Not sure where to start? Here are a few places to look:
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Optimize Your Layout
A warehouse layout that made sense five years ago may cost you dearly today. Product mix changes and order profiles change. Not to mention the fact that your SKU count is likely increasing year over year. The truth is that the physical layout of your space can’t always keep up with these changes.
The most common location issue is wasted travel time. Your highest-speed items need to be placed in the most accessible locations. Otherwise, your collectors will go farther than them need it every time order. This extra distance adds up to hundreds or thousands of picks per day. This shows up in things like hours of operation and speed of order fulfillment.
Perform placement analysis at least annually. Look at your SKU speed data and make sure your fastest moving products are in the most ergonomic and accessible locations. (Ideally, this is waist-high in the picking areas closest to packaging and shipping.) Slower-moving items can occupy less accessible locations without affecting productivity.
Aisle width is another area worth taking a closer look at. If your aisles are wider than your equipment requires, you’re giving up storage density for space you’re not using. Try to narrow the corridors as much as possible. This either reduces your space needs or increases your storage capacity within the same footprint. Either one wins!
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Reduce Energy Costs
Energy is one of the largest controllable expenses in a warehouse. It is also where targeted investments can produce some of the best returns.
Lighting is the obvious starting point. If your facility still uses metal halide or fluorescent fixtures, switching to LED lighting reduces electricity consumption. It also reduces maintenance costs. (This is because LEDs last much longer.)
However, HVAC and cooling costs are where the biggest savings occur. In warehouses with large cooling demands, the type of cooling system you run makes a big difference in your operating costs. If you operate a large facility in a hot climate, water-cooled chillers are worth considering. These systems can: reduce electricity consumption 20 to 37 percent less than air-cooled systems, depending on facility size and local climatic conditions. The upfront investment is higher, but in the long run the reduction in operating cost is large. For cold storage or warehouses operating in climate-controlled areas, the payback period for a water-cooled system is often shorter than people expect.
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Audit Your Inventory Practices
As you know, carrying inventory costs money. Each unit sitting on the shelf represents capital that is tied up and not working elsewhere. These expenses are usually between 20 and 30 percent annual value of inventory.
The goal is not to eliminate inventory. In fact, you want to carry the right amount, as overstocking will result in wasted cash and space. On the other hand, understocking leads to out-of-stocks, which costs sales and damages customer relationships. Finding the balance requires accurate demand forecasting.
Dead stock is something that deserves special attention. Products that are not moved for 90 or 180 days consume space and capital without generating revenue. The best thing you can do is liquidate them or return them to the supplier. Freeing up space and capital almost always It is more valuable than holding on to them in the hope that they will get used to it.
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Invest in Your Workforce Productivity
Labor is often the highest cost in a warehouse operation. It is also the area where efficiency improvements produce the fastest results. Here are some good investments you can make:
- Try to follow documented standard operating procedures for picking, packing, receiving, and storing. This kind of consistency raises the bar for performance across the team.
- Bulk picking, wave scheduling, and zone picking strategies can reduce the labor hours required to fill the same number of orders. The right strategy depends on your order profile. A facility that ships many small orders utilizes bulk picking, where a single picker picks products for multiple orders in a single pass.
- Technology investments at the individual employee level also make a difference. Features like barcode scanners and voice-guided picking all reduce errors and increase picking rates compared to paper-based processes. Error reduction alone often justifies the investment.
Finding Your Profit
Storage profitability is in the details. Operations that consistently produce strong margins are those that regularly examine each cost category and make data-driven decisions about where to invest and where to cut back. If you can specialize in these areas, you will get the results you need.
Photo: Ioana Cristiana: Unsplash
