Dynamic Heating Setpoint Adjustment based on Tibber Electricity Prices
This flow dynamically adjusts the target room temperature (setpoint) for your heating system (e.g., thermostats) based on Tibber dynamic electricity prices and price segments throughout the day.
The system prevents unnecessary heating during expensive periods and allows for slight comfort increases during cheap hours, all fully automated within Node-RED and Home Assistant.
✅ Main Features: Dynamic Temperature Delta Control: Adjusts heating target temperature by -1°C, 0°C, or +1°C, depending on current and forecasted electricity price levels from Tibber.
Price-Based Segmentation: Prices are segmented into "very cheap", "cheap", "normal", "expensive", "very expensive" categories, which influence the target temperature adjustment.
Price-Aware Heating Behavior: In very cheap price windows, target temperature can increase by 1°C for pre-heating or comfort gains. In expensive periods, the temperature is reduced by 1°C to save energy.
Time Constraints for Adjustment Frequency: Temperature shifts only occur if at least 2 hours passed since the last adjustment, to avoid short-cycling.
Setpoint Range Limitations: Ensures that room temperature stays between 17°C and 21°C to prevent over- or underheating.
State Synchronization: Before adjusting, checks if the current thermostat mode is auto to prevent manual overrides from being overwritten.
Home Assistant Sensor Integration: Writes dynamic heating plans and price levels into dedicated Home Assistant sensors (e.g., for Lovelace dashboards or historical analysis).
Failsafe Loop Prevention: Includes built-in logic to avoid infinite loop triggers on each temperature update.
Debugging: Comprehensive debug outputs for each decision step.
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nächsten Node weiter (optional)\nmsg = {\n _msgid: msg._msgid,\n payload: newValue,\n topic: topic\n};\n\nreturn msg;\n","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[],"x":1410,"y":400,"wires":[["740c5dc30bb94a86","35631530894c0f16"]]},{"id":"5b6877088ebdf80f","type":"comment","z":"3ab217fef43e55c3","name":"Heizung Steuerung Crad nach Strompreis","info":"","x":940,"y":60,"wires":[]},{"id":"42191e253a522246","type":"ha-number","z":"3ab217fef43e55c3","name":"Solar Preis Level 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global.get(\"TibberPriceReceiver\"),\n source: \"Tibber\"\n}\nreturn msg;\n\n","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[],"x":530,"y":320,"wires":[["aa4cc8a2de2ea785","fada96f01c0a5a1c"]]},{"id":"ce2916822f74b628","type":"inject","z":"3ab217fef43e55c3","name":"TibberPlanung 30Min Update","props":[],"repeat":"1800","crontab":"","once":false,"onceDelay":"1","topic":"","x":210,"y":320,"wires":[["199603ebd6ea5946"]]},{"id":"17db09e75f9be52d","type":"ps-receive-price","z":"3ab217fef43e55c3","name":"Price Receiver","x":180,"y":260,"wires":[["199603ebd6ea5946","aa4cc8a2de2ea785"]]},{"id":"60ce34d31789a5f6","type":"tibber-query","z":"3ab217fef43e55c3","name":"Get Tibber prices","active":true,"apiEndpointRef":"f037801398711328","x":550,"y":200,"wires":[["17db09e75f9be52d"]]},{"id":"956cf3e2b907108c","type":"template","z":"3ab217fef43e55c3","name":"","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"{\n viewer {\n homes {\n 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