This is power consumption chart (W), not kWh which is used in Energy Panel. Those Watts are not used in any way in the panel, this is only instant power graph. To get those data (which is used in the graph) just use this request: http://IP_HC3/api/energy/startTimestamp/endTimestamp/summary-graph/devices/power/deviceId   timestamps are simple epoch format (unix timestamp) and deviceId is the device you want to get the power (W) data - those can be com.fibaro.powerMeters or any a