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AutoStore redline robots on a grid

What is AutoStore? A Complete Guide to AutoStore ASRS

AutoStore is a cube-based automated storage and retrieval system (ASRS) that stacks inventory in bins and uses robots to deliver them to workstations on demand, with thousands of installations worldwide. This guide explains how the system works, covering the grid, bins, robots, ports and software, and shows where AutoStore outperforms other storage options and where it falls short. It also breaks down costs, ROI and implementation timelines to help you decide whether AutoStore is the right fit for your warehouse.

TL;DR

AutoStore is a compact, automated storage and retrieval system designed for small to medium-sized products. The system includes four basic components with near-infinite opportunities for configuration and expansion. With a simple design and flexibility, AutoStore systems work well with other automated warehouse solutions across a variety of industries. AutoStore provides high-density storage and very fast throughput capabilities compared to other automated storage and retrieval systems, helping companies meet consumer demand, avoid facility expansion, and limit headcount without affecting productivity. 

What is AutoStore?

An AutoStore is an automated storage and retrieval system (ASRS) that deposits and collects products stored in bins stacked vertically within a cube-based grid. Automated robots move across the top of the grid, grab storage bins, and carry them to ports for restocking or picking. Vertically stacking bins enables high-density storage, placing products much closer together than in traditional warehouses with aisles and shelving.

What are the benefits of using AutoStore ASRS?

Warehouses need ways to keep up with the ongoing challenges, such as increasing SKU volumes, multi-channel fulfillment, and rising demand for accurate, near-instant delivery. AutoStore ASRS helps warehouses solve existing problems and prepare for an unpredictable future.

Benefit #1: AutoStore optimizes space with high-density storage

Making the most of your warehouse space reduces the need to expand existing facilities or build new ones. By stacking bins vertically, AutoStore systems can provide 4x the storage of a traditional warehouse with aisles and racking. Compared with many other ASRS systems, AutoStore provides the highest-density storage for large-volume, small or medium-sized SKUs.

Case study—Logistics company increases storage volume in same footprint with AutoStore

Yusen Logistics Singapore implemented an AutoStore ASRS to operate within a high-mix, high-volume environment. Within the same footprint, Yusen Logistics Singapore increased storage capacity from 2,000 cubic meters to 3,500 cubic meters. With AutoStore, the company improved throughput by 200% and could offer customers same-day delivery—a huge differentiator in their industry.

Case study—Grocer expands existing AutoStore facilities 

UK grocer Asda serves over 18 million customers and has over 550 stores and more than 75,000 products. In other words, it’s big. To handle small items and react to customer demand, Asda set up an AutoStore in 2013. In 2015, they further expanded their AutoStore operations with a second grid. AutoStore helps Asda keep its shelves stocked by doubling pick rates and increasing pick accuracy to 99.8%.

AutoStore storage density: How much warehouse space can you really save? 

Optimizing space savings can prevent companies from costly expansions or new builds. Space savings vary drastically by warehouse; the following table provides a rough estimate. 

 

Storage and retrieval system Space-saving method Pros Cons Estimated space savings
AutoStore ASRS Stacks products vertically in a tight grid; keeps multiple SKUs in a single bin; robots provide automated retrieval; no aisles Efficient, high-throughput Limited by SKU size 60–75%
Traditional racking Store products vertically, with aisles between shelving for access Simple and quick to deploy Requires manual labor to store and retrieve items, limiting accuracy and speed Not applicable
Vertical lift modules Stacks products vertically; uses trays to deliver items to picking stations; no aisles Work with products of varying sizes and weights Less efficient than cube-based storage because of limited access points 60–85%
Mini-load ASRS Small cranes move between shelves containing products; no aisles Modular and scalable; cost-effective Limited by SKU size; less efficient than AutoStore Up to 75%
Shuttles Autonomous shuttles transport products, requiring less aisle space and more compact racking Integrate with other automation solutions; work in unconventional facilities Less efficient than cube-based storage 35%–60%

 

Note that saving space is one aspect of choosing the right type(s) of automated storage for your warehouse. Automation should solve multiple problems (e.g., increase storage and throughput) and work with the SKU volume and type your warehouse processes. In many warehouses, multiple types of automation optimize space over a single type.

Benefit #2: AutoStore increases throughput to meet customer and consumer demand 

Consumer demand for same-day delivery and expedited shipping is expected to continue to grow over the coming years. Companies working to meet this demand increasingly need faster logistics support in their warehouses, back-end stockrooms, and distribution centers. 

By automating storage and retrieval, AutoStore systems drastically increase warehouse throughput. Implementing AutoStore in your warehouse can allow you to set (and meet) customer service level agreements for faster delivery, helping your business stand out from competitors. 

Case study—AutoStore provides highly efficient in-store order fulfillment for technology retailer

TRUE Branding Shop set up an AutoStore system in its retail space at ICONSIAM mall in Bangkok, Thailand. The AutoStore ASRS accomplished two goals: increasing order fulfillment speed by bringing products directly to consumers from storage, and highlighting sophisticated technology. The speed and spectacle of the AutoStore system drew casual shoppers and tech fanatics alike. In other words, AutoStore was on brand for TRUE. 

Case study—Complex order fulfillment system improves throughput without sacrificing quality

HelloFresh, a meal delivery service, needed a way to expand its menu without slowing fulfillment—all within a refrigerated environment. They combined manual picking with an AutoStore ASRS system containing almost 30,000 bins, 150 robots, 18 picking ports, and 11 induction conveyor ports. WES software orchestrated movement and provided visibility to ensure products remained fresh. With the AutoStore system in place, HelloFresh could handle growing demand while maintaining order accuracy and freshness.

Benefit #3: AutoStore builds flexibility into your warehouse operations

Today’s logistics companies face supply chain issues, ongoing worker shortages, and geopolitical instability. Increasing operational flexibility with AutoStore ASRS builds resilience, helping companies thrive amid changes. Changes can include: 

  • Workforce fluctuations: Finding sufficient numbers of employees to staff growing warehouses can be tough, especially with fierce competition. Logistics companies face high staff turnover, which increases administrative expenses. Training new staff takes time and can reduce productivity. In addition to hiring and keeping employees, warehouses often have unpredictable staffing needs due to seasonal fluctuations in demand. By automating manual tasks, AutoStore ASRS enables a lean staffing strategy, which saves money and can withstand fluctuations. 
  • Omnichannel fulfillment: Fast, efficient picking via AutoStore can help companies simultaneously fulfill customer and direct-to-consumer orders. Or, in retail, hold stock for the store while fulfilling online orders. 
  • Supply chain disruptions: Major weather events or geopolitical instability can delay transportation of important goods and jeopardize customer-level agreements. Storing additional, high-demand items in AutoStore ASRS can help prevent disruptions from significantly impacting the business. 

Case study—E-commerce retailer drastically reduces staffing requirements via AutoStore

Sportamore, a Norwegian online sports retailer, needed a way to meet rapid growth while supporting its wide range of products, brands, and suppliers. The company implemented an AutoStore solution alongside automated-assisted pick-and-pack processes. With AutoStore in place, Sportamore simultaneously reduced staffing needs by 75% and doubled its storage capacity. 

AutoStore benefits summary

AutoStore ASRS provides: 

  • High throughput and flexibility: Improve operation speed and adaptability
  • Space optimization: Cube-based storage offers the highest-density ASRS option   
  • Proven results: AutoStore is an established presence—over 20 years in business and thousands of installations worldwide 
  • Accuracy: Technology ensures the right items come to ports each time; 99.9% pick accuracy 
  • Labor savings: No need to increase headcount during peaks; less reliant on a stable workforce
  • Energy efficiency: Robots use limited amounts of energy 
  • High uptime: AutoStore systems can work 24/7; when robots break down others can take their place

What technology does AutoStore need?

Modern warehouses depend on technology to keep everything running smoothly. AutoStore ASRS requires two types of technology: proprietary software created by AutoStore to operate the robots within the grid and a WES layer to coordinate the system’s movements with the rest of the warehouse. 

Can I use my WES to control AutoStore?

Although companies can use their own WES to control automated systems within their warehouses, AutoStore integrators typically offer a version that is tailored to make the most of the AutoStore system. With a customized, intelligent WES, AutoStore improvements can include: 

  • Optimized robot movement: Software can increase fulfillment speed by managing where AutoStore bins are stored and which robots (hint: the closest ones) gather the items.
  • Dynamic inventory management: Match stock levels with consumption and forecasted needs and improve operations with real-time inventory insight.
  • Ease of use: Intuitive user interfaces improving onboarding for maintenance and operations staff. 

 

How does AutoStore work with a WMS? 

AutoStore proprietary hardware and the WES used to orchestrate operations are both governed by the existing WMS system, which tracks everything from purchase orders to delivery receipts. An AutoStore system does not replace the WMS. Look for an AutoStore integrator with the capacity to easily incorporate AutoStore tech within the tech you already use on a daily basis in your warehouse.