[
  {
    "band_id": "B1",
    "max_error_pct": 6,
    "won_per_kwh": 4,
    "min_utilization_pct": 10
  },
  {
    "band_id": "B2",
    "max_error_pct": 8,
    "won_per_kwh": 3,
    "min_utilization_pct": 10
  }
]