{
  "id": "1991_system_reference_results",
  "source_year": 1991,
  "paper_page": "819-820",
  "source_table": "8/9",
  "verification": "source-transcribed; second reader check pending",
  "notes": "Cases A (disconnects, fuses, alternative supply, transformer repair) and B (no disconnects, no fuses, no alternative supply, transformer repair), published SYSTEM rows only. Published units SAIDI=hours/customer-year, not minutes. Other cases and feeder-level results remain to extract.",
  "records": [
    {
      "bus": 4,
      "scenario": "A",
      "network_type": "overhead_lines",
      "SAIFI_interruptions_customer_year": 0.3,
      "SAIDI_hours_customer_year": 3.47,
      "CAIDI_hours_interrupt": 11.56,
      "ASAI": 0.999604,
      "ASUI": 0.000396,
      "ENS_kWh_year": 54293,
      "AENS_kWh_customer_year": 11.36,
      "customers": 4779
    },
    {
      "bus": 4,
      "scenario": "A",
      "network_type": "underground_cables",
      "SAIFI_interruptions_customer_year": 0.19,
      "SAIDI_hours_customer_year": 4.29,
      "CAIDI_hours_interrupt": 22.58,
      "ASAI": 0.99951,
      "ASUI": 0.00049,
      "ENS_kWh_year": 73605,
      "AENS_kWh_customer_year": 15.4,
      "customers": 4779
    },
    {
      "bus": 2,
      "scenario": "A",
      "network_type": "overhead_lines",
      "SAIFI_interruptions_customer_year": 0.248,
      "SAIDI_hours_customer_year": 3.61,
      "CAIDI_hours_interrupt": 14.55,
      "ASAI": 0.999588,
      "ASUI": 0.000412,
      "ENS_kWh_year": 37746,
      "AENS_kWh_customer_year": 19.78,
      "customers": 1908
    },
    {
      "bus": 2,
      "scenario": "A",
      "network_type": "underground_cables",
      "SAIFI_interruptions_customer_year": 0.159,
      "SAIDI_hours_customer_year": 5.02,
      "CAIDI_hours_interrupt": 31.65,
      "ASAI": 0.999427,
      "ASUI": 0.000573,
      "ENS_kWh_year": 54655,
      "AENS_kWh_customer_year": 28.65,
      "customers": 1908
    },
    {
      "bus": 4,
      "scenario": "B",
      "network_type": "overhead_lines",
      "SAIFI_interruptions_customer_year": 0.682,
      "SAIDI_hours_customer_year": 24.64,
      "CAIDI_hours_interrupt": 36.13,
      "ASAI": 0.997187,
      "ASUI": 0.002813,
      "ENS_kWh_year": 374085,
      "AENS_kWh_customer_year": 78.28,
      "customers": 4779
    },
    {
      "bus": 4,
      "scenario": "B",
      "network_type": "underground_cables",
      "SAIFI_interruptions_customer_year": 0.462,
      "SAIDI_hours_customer_year": 32.36,
      "CAIDI_hours_interrupt": 70.1,
      "ASAI": 0.996306,
      "ASUI": 0.003694,
      "ENS_kWh_year": 524519,
      "AENS_kWh_customer_year": 109.8,
      "customers": 4779
    },
    {
      "bus": 2,
      "scenario": "B",
      "network_type": "overhead_lines",
      "SAIFI_interruptions_customer_year": 0.602,
      "SAIDI_hours_customer_year": 22.5,
      "CAIDI_hours_interrupt": 37.48,
      "ASAI": 0.997432,
      "ASUI": 0.002568,
      "ENS_kWh_year": 231263,
      "AENS_kWh_customer_year": 121.2,
      "customers": 1908
    },
    {
      "bus": 2,
      "scenario": "B",
      "network_type": "underground_cables",
      "SAIFI_interruptions_customer_year": 0.409,
      "SAIDI_hours_customer_year": 29.26,
      "CAIDI_hours_interrupt": 71.52,
      "ASAI": 0.99666,
      "ASUI": 0.00334,
      "ENS_kWh_year": 305626,
      "AENS_kWh_customer_year": 160.2,
      "customers": 1908
    }
  ]
}