{
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      "verify": {
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      "records": 3,
      "start": "2026-07-22"
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  },
  "notes": [
    {
      "code": "units_not_converted",
      "field": "unit",
      "message": "Henry Hub remains $/MMBtu and state electric-power prices remain $/Mcf; no conversion is performed."
    },
    {
      "code": "state_month_aggregate",
      "field": "atom",
      "message": "state_electric_power_monthly is a state-month average of prices paid by the electric-power sector, not a plant-level fact."
    },
    {
      "code": "mixed_source_units",
      "field": "avg_price",
      "message": "The scope contains both $/MMBtu and $/Mcf atoms, so aggregate avg/min/max price is null. Filter or group by atom/unit."
    }
  ],
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