Introduction
Energy prices keep climbing, and current geopolitical events push them higher across the retail sector. The encouraging part is that retail chains can cut energy costs meaningfully without passing them on to customers. IoT sensors and smart metering make that possible by turning raw energy use into data that facility teams can act on.
Dariusz Meres, Business Development Executive at SINGU, discussed this with Grzegorz Kossakowski, Head of the Facilities Department at Empik, and Radosław Kurenda, Chief Technology Officer at Spark, during an expert panel on reducing energy consumption in retail chains with IoT and smart metering. Experienced real estate professionals shared where the savings sit, how to reach them, and how to measure, monitor and report energy consumption across retail outlets.
This guide answers the questions that come up most often. How do smart metering systems generate savings? What slows installation down in existing buildings? What energy data should a CAFM system collect to keep those savings in place? The sections below work through each one.
Key Takeaways
- Smart metering saves an estimated 5 to 10 percent of energy per retail unit, mostly by matching air conditioning, ventilation and lighting to real demand instead of fixed schedules.
- Every outlet has to be assessed on its own, because entrances, shopfront glazing, roof pitch and insulation all differ from one store to the next.
- The biggest installation hurdle in older buildings is incomplete or incorrect documentation, while newer builds already carry the wireless infrastructure these systems need.
- A CAFM system should centralise energy and environmental data in one place, so teams can report, benchmark and act without stitching separate tools together.
- Five- to fifteen-minute meter intervals feed ESG and sustainability reporting directly, which supports EED and CSRD obligations with defensible data.
- IoT sensors reach beyond energy into comfort, space management, asset tracking and predictive maintenance across a retail estate.
- The strongest first step is a preliminary audit of each property, so components and infrastructure are chosen around real needs rather than assumptions.
How Do Smart Metering Systems Generate Savings?
Smart metering generates savings by exposing consumption per device and per time interval, so teams can match HVAC, ventilation and lighting to real demand rather than fixed schedules.
Every retail unit needs to be assessed on its own. Almost all outlets differ in environmental factors such as street-level entrances, large shopfront windows, roof pitch and the quality of their insulation. A smart metering system is estimated to save between 5% and 10% of energy use, which is significant at current electricity prices. Most of that comes from controlling the running hours and temperature of air conditioning, ventilation and lighting, since this equipment drives the largest share of a store's energy costs. Smart metering hardware has become considerably cheaper over the past five years, which makes the investment easier to justify.
What Challenges Arise During Installation and Configuration in Retail Facilities?
The most common challenge in existing buildings is incomplete or incorrect documentation, while new builds usually come with complete records that are straightforward to review.
Older properties also raise technical challenges. Design and installation standards from earlier decades differ sharply from today, so adapting a smart metering system to measure individual devices separately takes more time and money. Connections between specific system components can be a problem. A BMS installed earlier to read meters is one example, since in many cases it was poorly adapted or does not work correctly, and the user struggles to operate it. Newer buildings built to modern standards are far simpler, because they already carry the wireless infrastructure these systems need.
Equipment availability is a separate constraint. Geopolitical conditions and pandemic aftereffects have lengthened lead times, so working with several equipment suppliers protects the project against delays. Connecting the system to an internal IT network is another hurdle, because IT teams have to certify that the system is secure, and that certification takes real effort.
What Are Good Practices for Preparing This Kind of Investment?
The strongest first step is a preliminary audit of each property, so you can review the existing infrastructure, gather user feedback and consult the property manager before committing.
That approach isolates the real problems and lets you choose components and infrastructure around each user's actual needs. In large organisations or more complex facilities, access to existing infrastructure is often difficult. In those cases the solution provider can build a separate external network where the user consents, or move the setup to wireless communication entirely.
What Data Should a CAFM System Collect?
A CAFM system should collect energy and environmental data in one place, so teams can report, benchmark and analyse consumption without stitching together separate tools.
Centralised data matters for property managers and technical directors, and it matters just as much for tenant coordinators who need to see the same picture. Measuring every installation in a facility would give a complete real-time view, but it is rarely economical, so the priority is the equipment that drives cost and comfort. When something goes wrong, a PropTech app should send alerts automatically to the people responsible. Alongside that, IoT sensors should track key parameters such as temperature and humidity across different zones of the store.
Smart meters report consumption not only monthly or weekly but in fifteen- or even five-minute intervals. This granularity feeds ESG and sustainability reporting directly, which matters more each year. Under the recast EU Energy Efficiency Directive, member states are committed to a collective 11.7% reduction in final energy consumption by 2030, and the CSRD sets the framework for how large companies report sustainability data. Detailed consumption data is what makes those reports defensible.
IoT sensors also complement a BMS well. A BMS is used by property managers, owners and technical directors, and its data usually covers the whole building. An IoT sensor, by contrast, reports environmental data such as temperature, light levels or the presence of people in one specific location. Combining parameters like room occupancy and humidity produces useful estimates. Tenants can install these sensors themselves to check air quality in their leased space or confirm how rooms are being used.
What Is Expected of IoT Sensors?
IoT sensors are expected to deliver real-time data on temperature, lighting, water leaks and fresh-air exchange, so teams can adjust conditions continuously rather than react after the fact.
Full real-time visibility lets everyone involved make timely adjustments, and those adjustments translate into savings. Store managers should have access to this data too. When a store manager can see consumption directly, it becomes easier to keep lights off during quiet hours, dim them early in the morning when they are not needed, and hold the sales floor at the right temperature.
What Other Applications Do IoT Sensors Have Beyond Energy?
Beyond energy, IoT sensors support staff comfort, space management, asset tracking and predictive maintenance across a retail estate.
Comfort sensors such as carbon-monoxide detectors help keep working conditions safe by managing air exchange, including shutting ventilation down when it is not needed. Occupancy sensors that count people in a room are increasingly common, which makes office and facility space easier to manage. IoT also helps track assets in warehouses and monitor the flow of goods. RFID gateways paired with IoT remove the need to count and check inventory by hand.
Predictive maintenance is another strong use. Sensors fitted to measure vibration while pumps run can pick up rising wear early, flagging when extra maintenance is due and heading off an imminent failure. Leak-detection sensors can stop flooding from spreading through a room. Heating control is a further application, where a sensor can change heating parameters based on the weather forecast. If a warm spell is coming, the building can be cooled earlier and heating switched off to cut costs. When frost is forecast, heating can come on ahead of time to keep staff comfortable. All of this ties back to ESG targets, such as reducing energy consumption over time, and the data makes accurate year-on-year comparisons possible.
What Challenges Does Installing IoT Sensors Pose?
Because IoT devices usually run on batteries and wireless communication, placement is rarely a constraint, so the main challenge is integrating them cleanly with existing HVAC and building-automation systems.
That flexibility means infrastructure goes up quickly, even across multi-storey buildings. Reaching the intended effect still depends on integration with the systems already in place, and that is where most of the work sits.
How Can Retailers Benefit Effectively From Smart Metering?
Retailers benefit most when they set a data-based target first, then adjust continuously against real consumption figures rather than fixed assumptions.
It starts with an objective grounded in analysis, backed by figures that show the target and how to reach it. Smart metering then reports consumption precisely, down to each part of the estate. From there the manager of a given site can decide whether to hold the temperature below the level set centrally, based on what the readings actually show, and keep adjusting as new data comes in.
IoT and Smart Metering – What Are the Biggest Benefits?
The biggest benefits are a fast return on investment, real-time data collection and sharing, and automatic alerts that let teams act the moment a threshold is crossed.
Implementing and running these systems pays back relatively quickly, so real savings arrive fast against the cost of development and rollout. Automatic alerts reach the responsible people the moment a threshold is crossed, even when they are not logged in, which supports a fast response. The system also generates data transparently in real time, benchmarks facilities across the whole network, and streamlines processes to unlock further savings. The full list of advantages runs longer still.
Automation Is the Future
Energy conservation is one of the most pressing challenges in retail, and the sensors that help address it keep getting cheaper as the technology advances. Smart metering and IoT building software cut costs by lowering energy consumption and improve day-to-day maintenance at the same time. Communication between stakeholders gets clearer, faults are resolved faster, and decisions rest on real-time data rather than guesswork. These technologies also feed non-financial reporting across environmental, social and governance criteria, which matters enormously when managing a portfolio of retail chains.
Frequently Asked Questions
How can retail chains monitor their energy usage?
Retail chains monitor energy usage by combining smart meters, IoT sensors and a CAFM platform that centralises the data. Smart meters report consumption in five- to fifteen-minute intervals, IoT sensors track temperature, lighting and occupancy per zone, and the CAFM system turns both into real-time dashboards and automatic alerts across every outlet.
How much energy can smart metering save in a retail unit?
A smart metering system is estimated to cut energy use by 5–10% per retail unit. Most of that saving comes from matching air conditioning, ventilation and lighting to real demand rather than fixed schedules.
What is the difference between a BMS and IoT sensors?
A BMS manages building-wide systems and reports data for the whole property. IoT sensors capture granular environmental data such as temperature, light or occupancy in one specific location, so they complement a BMS rather than replace it.
Do IoT sensors work in older retail buildings?
Yes. IoT devices usually run on batteries and wireless communication, so placement is rarely a constraint even in multi-storey or older buildings. The main effort is integrating them cleanly with existing HVAC and building-automation systems.
Getting Started with SINGU
A unified CAFM/CMMS platform like SINGU is especially well suited to owners, asset managers, and facility teams running energy-intensive, multi-site retail. It brings smart metering data, IoT monitoring, maintenance management, ESG reporting, and portfolio analytics into one platform.
Smart metering and IoT are becoming central to data-driven, sustainable retail operations. If your team wants lower energy costs, real-time visibility across every outlet, stronger ESG compliance, and better portfolio intelligence, book a personalized SINGU demo and see how your current energy setup could work in a unified CAFM/CMMS platform.
