What an energy management system does and how ENEQUI Core controls energy in your property.
Whether you live in an older row house in Gothenburg, new-build Stockholm or a house with a pool outside Malmö the problem is the same: the electrical system has more actors than ten years ago: solar, battery, car, dynamic pricing. Without EMS each part optimizes on its own.
In industry the counterpart is often SCADA or BMS; in a villa the role collapses into an EMS that reads sensors, sets power targets and ensures limits (charge current, SOC, grid breaker) are not exceeded. Standards like IEC 61850 dominate larger sites, but residential vendors use proprietary APIs in practice, hence a layer like ENEQUI Core that turns 'buy cheap power now' into concrete watts to the battery.
ENEQUI Core is typically mounted near the service panel and connected to the home network. It pulls telemetry from the inverter and battery with second-level resolution, combines HAN or meter flows where available, and sends aggregated status to the cloud. Forecast models run there on weather, spot price and your historical consumption (after the published ~7-day learning window) and send power targets back that Core clamps to hardware limits.
Four concrete differences you notice day to day and on the bill.
Shifts consumption to cheap hours and limits purchases when Nord Pool shows peaks, adapted to your household profile.
No. The vendor app often shows production and faults for one device. ENEQUI Core is an EMS that aggregates multiple sources (inverter, battery, meter, EV charger) and optimizes at property level. Smart Saver is the cloud layer where you track results in currency and kilowatt-hours.
Use the savings calculator for a first figure, or contact us for EMS design tailored to your installation in Stockholm, Gothenburg, Malmö or the rest of Sweden.
A well-designed EMS separates three time scales: milliseconds to seconds for grid protection and FCR-like services, minutes for load shifting around spot prices, and days for battery maintenance cycles. Without that split you risk acting too slowly for the grid or too aggressively for cell health.
Smart Saver is the subscription visualization layer: you see savings split by mechanism (peak shaving, hourly price, ancillary service when active) without reading raw MQTT logs. For technically minded users Core remains the authoritative node. If the cloud is briefly unavailable basic protective functions can continue locally.
Charge/discharge targets are bounded by cell temperature, max current and backup-reserved capacity.
Combines weather data with inverter MPPT power to predict when self-generation covers heat pump or pool.
Smooths power over sliding windows so the main fuse and any capacity charge are not surprised by concurrent inrush.
Second- to few-second sampling gives enough bandwidth for both AI learning and fast grid services where required.
Local ceilings and remote stop: if a parameter leaves an allowed curve the plant reverts to conservative mode until a technician reviews.
Critical control and safety logic runs near the plant in ENEQUI Core (edge) so you are not dependent on a single cloud outage for basic battery and grid-safe operation. More compute-heavy forecasts and market strategies can run in the cloud and send targets to Core with seconds to minutes of delay depending on service.
You can manage without advanced EMS, but you often leave money on the table: surplus may sell at low hourly prices while you buy expensive evening power. An EMS can schedule loads (heat pump, pool, car) against forecasts and tariffs. When you later add battery, the same Core is already suited for storage and ancillary services.
The meter is a source of consumption data and sometimes power charges; EMS uses it together with the inverter's DC/AC data to avoid interpretation errors. In Stockholm, Gothenburg and Malmö tariff structures can differ between DSOs. Core can account for peak power when data flows are available under your agreement.
Often yes, because Core abstracts control toward different OEM APIs. When you change hardware the integration must be revalidated; our compatibility list shows which brands have ready integrations today.