By January 1, 2027, all Swedish electricity grid companies must implement demand tariffs according to requirements from the Swedish Energy Markets Inspectorate (Ei). Large grid companies like Ellevio, E.ON, and Vattenfall have already started introducing models where the grid cost is based on the customer's highest power demand – not just energy consumption. Demand tariffs mean that a short peak, sometimes only an hour, can affect the cost for an entire month.
Grid companies' different models and the consequences for property owners
Ellevio bases the demand charge on the highest demand hours per month, E.ON focuses on peak load hours during the winter season, and Vattenfall is working towards similar models. For commercial properties, this means that systems like ventilation, cooling, heat pumps, and electric vehicle charging can create peaks with significant financial impact.
Why real-time measurement becomes crucial
When a demand peak has occurred, it is often too late to act. To be able to distribute loads, control systems, or pause equipment, insight into the property's current power demand is required, not a retrospective view long after. Real-time measurement makes it possible to understand what drives the peaks and to act before they have financial consequences. With demand tariffs, fast and detailed measurement data is therefore a prerequisite for active energy management.
PiiGAB HAN-P1 Converter – a solution for faster control
PiiGAB HAN-P1 Converter provides real-time data directly from the property's main electricity meter via the HAN port, which can be read out in M-Bus locally on the property. It thus offers a faster and more detailed data source than the grid companies' own APIs. With the PiiGAB HAN-P1 Converter, the property owner gets second-resolved information to see how the load develops in real time and adjust systems before a peak occurs. By integrating the data into BMS or energy management systems, proactive load control, smoother operation, and lower costs are enabled.