{"devices":[{"device_id":"M003_NSW_2099_Dee_Why","reading_count":1965,"first_reading":"2026-02-14 08:56:00+00:00","last_reading":"2026-06-09 23:09:00+00:00","avg_power":388411.03862510464,"avg_voltage":240.1297135191077},{"device_id":"M001_NSW_2000_Sydney","reading_count":504,"first_reading":"2026-06-06 08:48:00+00:00","last_reading":"2026-06-09 23:07:00+00:00","avg_power":5966.152020608938,"avg_voltage":240.16017073691742},{"device_id":"M004_NSW_2095_Manly","reading_count":1401,"first_reading":"2026-02-14 04:10:00+00:00","last_reading":"2026-06-09 23:02:00+00:00","avg_power":551152.7944568668,"avg_voltage":240.13842375765432},{"device_id":"M002_NSW_2101_Narrabeen","reading_count":5182,"first_reading":"2026-03-02T07:58:00+00:00","last_reading":"2026-06-08 11:23:00+00:00","avg_power":84041.91791768013,"avg_voltage":240.14555455927317},{"device_id":"0xa4acBE3795d6b82fd1D6b43FE63a74F6bf78c5c5","reading_count":663,"first_reading":"2026-02-24T19:47:39+00:00","last_reading":"2026-04-01T08:37:21+00:00","avg_power":null,"avg_voltage":null}],"total_devices":5}