{
  "report_number": "SHWRP-2026-012",
  "version": "1.0",
  "analysis_date": "2026-07-15",
  "status": "public working paper; not externally peer reviewed",
  "system_boundary": "electricity-cost floor only; excludes capex, labor, financing, nutrients, water treatment, milling, packaging and distribution",
  "scenarios": [
    {
      "scenario": "optimistic",
      "canopy_area_m2": 40.0,
      "ppfd_umol_m2_s": 350.0,
      "photoperiod_h_day": 10.0,
      "dli_mol_m2_day": 12.6,
      "cycle_days": 63.0,
      "led_ppe_umol_J": 3.5,
      "facility_multiplier": 1.35,
      "grain_yield_kg_m2_cycle": 0.9,
      "lighting_power_kw": 4.0,
      "lighting_kwh_cycle": 2520.0,
      "facility_kwh_cycle": 3402.0,
      "grain_kg_cycle": 36.0,
      "kwh_per_kg": 94.5,
      "cycles_per_year": 5.214285714285714,
      "grain_kg_year": 187.71428571428572,
      "electricity_floor_twd_kg_at_3": 283.5,
      "electricity_floor_twd_kg_at_5": 472.5,
      "electricity_floor_twd_kg_at_7": 661.5
    },
    {
      "scenario": "baseline",
      "canopy_area_m2": 40.0,
      "ppfd_umol_m2_s": 600.0,
      "photoperiod_h_day": 12.0,
      "dli_mol_m2_day": 25.919999999999998,
      "cycle_days": 95.0,
      "led_ppe_umol_J": 3.2,
      "facility_multiplier": 1.55,
      "grain_yield_kg_m2_cycle": 0.65,
      "lighting_power_kw": 7.5,
      "lighting_kwh_cycle": 8550.0,
      "facility_kwh_cycle": 13252.5,
      "grain_kg_cycle": 26.0,
      "kwh_per_kg": 509.71153846153845,
      "cycles_per_year": 3.5784313725490198,
      "grain_kg_year": 93.03921568627452,
      "electricity_floor_twd_kg_at_3": 1529.1346153846152,
      "electricity_floor_twd_kg_at_5": 2548.5576923076924,
      "electricity_floor_twd_kg_at_7": 3567.980769230769
    },
    {
      "scenario": "conservative",
      "canopy_area_m2": 40.0,
      "ppfd_umol_m2_s": 900.0,
      "photoperiod_h_day": 14.0,
      "dli_mol_m2_day": 45.36,
      "cycle_days": 125.0,
      "led_ppe_umol_J": 2.5,
      "facility_multiplier": 1.9,
      "grain_yield_kg_m2_cycle": 0.45,
      "lighting_power_kw": 14.4,
      "lighting_kwh_cycle": 25200.0,
      "facility_kwh_cycle": 47880.0,
      "grain_kg_cycle": 18.0,
      "kwh_per_kg": 2660.0,
      "cycles_per_year": 2.765151515151515,
      "grain_kg_year": 49.77272727272727,
      "electricity_floor_twd_kg_at_3": 7980.0,
      "electricity_floor_twd_kg_at_5": 13300.0,
      "electricity_floor_twd_kg_at_7": 18620.0
    }
  ],
  "sensitivity": {
    "minimum_kwh_per_kg": 161.0546875,
    "maximum_kwh_per_kg": 1104.375,
    "fixed_conditions": {
      "photoperiod_h": 12,
      "cycle_days": 95,
      "ppe_umol_J": 3.2,
      "facility_multiplier": 1.55
    }
  },
  "integrity_checks": {
    "all_positive": true,
    "cost_monotonic_by_tariff": true,
    "scenario_order_kwh": true
  }
}