timestamp,usage_kwh,feedin_kwh
2026-06-15T05:00,0.217,0
2026-06-15T06:00,0.168,0
2026-06-15T07:00,0.048,0.103
2026-06-15T08:00,0,0.242
2026-06-15T09:00,0,0.300
2026-06-15T10:00,0,0.566
2026-06-15T11:00,0,0.773
…