NOX Energy BV

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Residential thermal-asset control telemetry and flexibility response data from a live aggregation of household heat pumps, solar panels and home batteries — over 10,000 connected assets today, in Belgium and the Netherlands. The platform steers heat pumps within per-household temperature comfort bounds in response to wholesale prices, negative-price hours, grid congestion and balancing signals, using 24-hour-ahead forecasting and weather-predictive control, and integrates directly with inverter and heat-pump manufacturer interfaces rather than through added hardware. What this generates continuously: interval telemetry from every connected heat pump and solar inverter; the control decision taken at each interval together with the household's declared comfort bounds; the realised indoor-temperature trajectory under each control action; solar curtailment and pre-heating events with their duration and the market condition that triggered them; response behaviour under dynamic and day-ahead tariffs including negative-price periods; and manufacturer-specific device behaviour across multiple hardware brands. The genuinely scarce object is the thermal-response layer: how a real dwelling cools and heats under real control actions, per construction type, heat-pump model and weather condition. That is the physical parameter grid operators and flexibility-market designers need and cannot obtain from smart-meter data alone, which shows only consumption, never the causal response to an intervention.