The Energy industry is evolving rapidly, shifting from a one-way linear power flow to a dynamic, two-way ecosystem. Enhancements in technology have been a key driver of this evolution, including the rise of Distributed Energy Resources (DER). DER assets include PV Solar Panels, Batteries, and EV Chargers. As DER expands across the grid, it poses challenges for Distribution Network Service Providers (DNSP) to handle. Firstly, an oversupply of energy can lead to power outage issues, and secondly, the sheer volume of telemetry data being outputted due to the large amount of edge devices across the network leads to a data management challenge. The industry has started to adopt Home Energy Management Systems (HEMS) as an approach to bridge the gap between siloed home appliances and convert them into orchestrated, cohesive, data driven grid resources.
With advancements being made in the industry, requirements of the utility systems are also shifting. For example, the volume of data is vastly different now compared to what was seen historically. Instead of capturing 1 data point per quarter for a basic meter or 1 data point every 30 minutes for a smart meter, HEMS devices can stream telemetry data near real-time. To be able to handle large data workloads, DNSP’s need to move away from legacy data architecture and introduce modern cloud-based medallion architecture. DNSP’s also need to invest in a robust data transfer workflow which bridges Operational Technology (OT) networks and Information Technology (IT). The HEMS data will feed directly into the OT network. For business users to be able to access this data outside of the control room, the data will need to be moved into an IT environment. It is important that a secure data transfer process (OT to IT) is designed and monitored. Implementing a secure OT to IT bridge will unlock analytical and strategic value for DNSP’s, while maintaining the physical security of the grid.
One method DNSP’s use to stabilise the grid is by curtailing consumer exports. This operation is performed by the distributor communicating with the end user’s smart inverter and throttling the export limit. Although, a limitation of this operation is the distributor cannot see anything behind the meter. The consumer may have several edge devices that lose their value when a curtailment is taking place. This is where HEMS can add more value for both the customer and the grid overall. With a HEMS system installed, it will be visible what edge devices are present at the site and energy can be repointed into those devices, rather than it being curtailed or spilled into the grid. As a result, consumers can save money on their energy bills and can participate in virtual power plants (VPP). For distributors they have a better understanding of the overall landscape of devices present at every site with a HEMS system. Additionally, DNSP’s do not have to make any capital investments on physical infrastructure, as the investment is purely within digital data platforms.
Ultimately, the rise of HEMS and intelligent edge devices demonstrates how fundamentally the energy industry is changing. Modern data platforms are no longer just a backend support tool; they are a mission-critical core component of how DNSPs must operate moving forward. Transitioning to a cloud-based medallion architecture and establishing a robust, secure data transfer workflow between OT and IT environments gives utilities unprecedented analytics capabilities outside the control room while keeping the physical grid entirely secure. By unlocking complete visibility of the decentralised network edge, DNSPs can defer massive capital investments, eliminate the behind-the-meter blind spot, and deliver real financial value back to their customers. Building this secure, scalable data foundation is the ultimate key to success for both modern distributors and the communities they serve.
Moreover, Home Energy Management Systems transform the grid from a reactive infrastructure into a coordinated, data-driven energy ecosystem where visibility and orchestration unlock real operational and customer value.
To explore how your organisation can design and implement secure OT–IT data platforms that unlock the full potential of HEMS and modern grid operations, contact One51 today.
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