{"device_id":"M003_NSW_2099_Dee_Why","reading_count":139,"first_reading":"2026-06-09 00:09:00+00:00","last_reading":"2026-06-09 23:09:00+00:00","avg_power":2.4041220906653096,"min_power":0.002826276612462234,"max_power":9.897944923645763,"avg_voltage":240.12806807165782,"min_voltage":239.81385166222535,"max_voltage":240.49760087703007,"avg_current":10.574249823721699,"total_import":51.790941,"total_export":169.621993,"avg_frequency":49.60494076771823,"avg_power_factor":0.9453069867108079}