{
  "summary": "2026-09-23の全国の広域予備率（日別最小・確定値）は10.2%。警戒水準8%を上回った状態が5日続いています（確定値ベース）。（出典：OCCTO・JEPX／更新 2026-09-24 10:32 JST）",
  "cite_as": "AIライフライン 電力章（確定日 2026-09-23）https://ai-lifeline.org/jp/denryoku/",
  "country": "JP",
  "generated": "2026-09-24 10:32",
  "sources": [
    {
      "license": "出所明示で利用可",
      "name": "電力広域的運営推進機関「広域予備率Web公表システム」",
      "url": "https://web-kohyo.occto.or.jp/kks-web-public/"
    },
    {
      "license": "出所明示で利用可",
      "name": "日本卸電力取引所（JEPX）スポット市場取引結果",
      "url": "https://www.jepx.jp/electricpower/market-data/spot/"
    }
  ],
  "value_status_note": "reserve_daily[].value_status=final は観測日より後に取得した確定値、provisional は観測日と同じ日に取得した暫定値（12:30以降が見通し値を含む）。暫定値は翌日以降の再取得で確定値へ差し替わる",
  "reserve_daily": [
    {
      "date": "2026-08-14",
      "tokyo_min": 13.72,
      "national_min": 12.46,
      "value_status": "final",
      "fetched_at": "2026-08-23 11:19"
    },
    {
      "date": "2026-08-15",
      "tokyo_min": 10.46,
      "national_min": 10.46,
      "value_status": "final",
      "fetched_at": "2026-08-23 11:19"
    },
    {
      "date": "2026-08-16",
      "tokyo_min": 15.31,
      "national_min": 15.31,
      "value_status": "final",
      "fetched_at": "2026-08-23 11:19"
    },
    {
      "date": "2026-08-17",
      "tokyo_min": 8.58,
      "national_min": 8.58,
      "value_status": "final",
      "fetched_at": "2026-08-23 11:19"
    },
    {
      "date": "2026-08-18",
      "tokyo_min": 8.9,
      "national_min": 8.9,
      "value_status": "final",
      "fetched_at": "2026-08-23 11:19"
    },
    {
      "date": "2026-08-19",
      "tokyo_min": 9.98,
      "national_min": 9.64,
      "value_status": "final",
      "fetched_at": "2026-08-23 11:19"
    },
    {
      "date": "2026-08-20",
      "tokyo_min": 8.17,
      "national_min": 6.65,
      "value_status": "final",
      "fetched_at": "2026-08-23 14:55"
    },
    {
      "date": "2026-08-21",
      "tokyo_min": 9.16,
      "national_min": 8.87,
      "value_status": "final",
      "fetched_at": "2026-08-24 11:00"
    },
    {
      "date": "2026-08-22",
      "tokyo_min": 11.53,
      "national_min": 9.5,
      "value_status": "final",
      "fetched_at": "2026-08-25 11:00"
    },
    {
      "date": "2026-08-23",
      "tokyo_min": 12.73,
      "national_min": 12.08,
      "value_status": "final",
      "fetched_at": "2026-08-26 11:00"
    },
    {
      "date": "2026-08-24",
      "tokyo_min": 8.6,
      "national_min": 6.83,
      "value_status": "final",
      "fetched_at": "2026-08-27 11:00"
    },
    {
      "date": "2026-08-25",
      "tokyo_min": 8.43,
      "national_min": 6.83,
      "value_status": "final",
      "fetched_at": "2026-08-28 11:00"
    },
    {
      "date": "2026-08-26",
      "tokyo_min": 9.29,
      "national_min": 5.57,
      "value_status": "final",
      "fetched_at": "2026-08-29 11:59"
    },
    {
      "date": "2026-08-27",
      "tokyo_min": 8.7,
      "national_min": 5.92,
      "value_status": "final",
      "fetched_at": "2026-08-30 11:00"
    },
    {
      "date": "2026-08-28",
      "tokyo_min": 11.16,
      "national_min": 11.05,
      "value_status": "final",
      "fetched_at": "2026-08-31 11:00"
    },
    {
      "date": "2026-08-29",
      "tokyo_min": 11.2,
      "national_min": 10.45,
      "value_status": "final",
      "fetched_at": "2026-09-01 11:00"
    },
    {
      "date": "2026-08-30",
      "tokyo_min": 14.01,
      "national_min": 12.09,
      "value_status": "final",
      "fetched_at": "2026-09-02 11:00"
    },
    {
      "date": "2026-08-31",
      "tokyo_min": 15.41,
      "national_min": 8.92,
      "value_status": "final",
      "fetched_at": "2026-09-03 11:00"
    },
    {
      "date": "2026-09-01",
      "tokyo_min": 13.54,
      "national_min": 8.24,
      "value_status": "final",
      "fetched_at": "2026-09-04 11:00"
    },
    {
      "date": "2026-09-02",
      "tokyo_min": 11.67,
      "national_min": 8.43,
      "value_status": "final",
      "fetched_at": "2026-09-05 10:30"
    },
    {
      "date": "2026-09-03",
      "tokyo_min": 8.41,
      "national_min": 8.01,
      "value_status": "final",
      "fetched_at": "2026-09-06 10:30"
    },
    {
      "date": "2026-09-04",
      "tokyo_min": 12.56,
      "national_min": 8.83,
      "value_status": "final",
      "fetched_at": "2026-09-07 10:30"
    },
    {
      "date": "2026-09-05",
      "tokyo_min": 14.8,
      "national_min": 11.09,
      "value_status": "final",
      "fetched_at": "2026-09-08 10:30"
    },
    {
      "date": "2026-09-06",
      "tokyo_min": 14.68,
      "national_min": 9.55,
      "value_status": "final",
      "fetched_at": "2026-09-09 10:30"
    },
    {
      "date": "2026-09-07",
      "tokyo_min": 12.78,
      "national_min": 9.8,
      "value_status": "final",
      "fetched_at": "2026-09-10 10:30"
    },
    {
      "date": "2026-09-08",
      "tokyo_min": 9.83,
      "national_min": 7.99,
      "value_status": "final",
      "fetched_at": "2026-09-11 10:30"
    },
    {
      "date": "2026-09-09",
      "tokyo_min": 8.57,
      "national_min": 8.57,
      "value_status": "final",
      "fetched_at": "2026-09-12 10:30"
    },
    {
      "date": "2026-09-10",
      "tokyo_min": 16.59,
      "national_min": 12.16,
      "value_status": "final",
      "fetched_at": "2026-09-13 10:30"
    },
    {
      "date": "2026-09-11",
      "tokyo_min": 12.28,
      "national_min": 9.27,
      "value_status": "final",
      "fetched_at": "2026-09-14 10:30"
    },
    {
      "date": "2026-09-12",
      "tokyo_min": 13.18,
      "national_min": 10.27,
      "value_status": "final",
      "fetched_at": "2026-09-15 10:30"
    },
    {
      "date": "2026-09-13",
      "tokyo_min": 12.78,
      "national_min": 12.78,
      "value_status": "final",
      "fetched_at": "2026-09-16 10:30"
    },
    {
      "date": "2026-09-14",
      "tokyo_min": 10.01,
      "national_min": 8.55,
      "value_status": "final",
      "fetched_at": "2026-09-17 10:30"
    },
    {
      "date": "2026-09-15",
      "tokyo_min": 8.43,
      "national_min": 8.43,
      "value_status": "final",
      "fetched_at": "2026-09-18 10:30"
    },
    {
      "date": "2026-09-16",
      "tokyo_min": 10.13,
      "national_min": 9.78,
      "value_status": "final",
      "fetched_at": "2026-09-19 10:30"
    },
    {
      "date": "2026-09-17",
      "tokyo_min": 12.0,
      "national_min": 9.57,
      "value_status": "final",
      "fetched_at": "2026-09-20 10:30"
    },
    {
      "date": "2026-09-18",
      "tokyo_min": 11.33,
      "national_min": 7.02,
      "value_status": "final",
      "fetched_at": "2026-09-21 10:30"
    },
    {
      "date": "2026-09-19",
      "tokyo_min": 11.41,
      "national_min": 11.41,
      "value_status": "final",
      "fetched_at": "2026-09-22 10:30"
    },
    {
      "date": "2026-09-20",
      "tokyo_min": 11.09,
      "national_min": 11.09,
      "value_status": "final",
      "fetched_at": "2026-09-23 10:30"
    },
    {
      "date": "2026-09-21",
      "tokyo_min": 11.33,
      "national_min": 11.33,
      "value_status": "final",
      "fetched_at": "2026-09-24 10:30"
    },
    {
      "date": "2026-09-22",
      "tokyo_min": 11.09,
      "national_min": 11.09,
      "value_status": "final",
      "fetched_at": "2026-09-24 10:30"
    },
    {
      "date": "2026-09-23",
      "tokyo_min": 14.75,
      "national_min": 10.2,
      "value_status": "final",
      "fetched_at": "2026-09-24 10:30"
    },
    {
      "date": "2026-09-24",
      "tokyo_min": 8.97,
      "national_min": 8.97,
      "value_status": "provisional",
      "fetched_at": "2026-09-24 10:30"
    }
  ],
  "jepx_daily": [
    {
      "date": "2026-08-27",
      "system_avg": 25.21,
      "system_max": 35.01,
      "tokyo_avg": 24.81
    },
    {
      "date": "2026-08-28",
      "system_avg": 24.27,
      "system_max": 33.42,
      "tokyo_avg": 24.94
    },
    {
      "date": "2026-08-29",
      "system_avg": 19.28,
      "system_max": 27.12,
      "tokyo_avg": 21.93
    },
    {
      "date": "2026-08-30",
      "system_avg": 16.67,
      "system_max": 30.01,
      "tokyo_avg": 19.46
    },
    {
      "date": "2026-08-31",
      "system_avg": 22.1,
      "system_max": 36.58,
      "tokyo_avg": 23.47
    },
    {
      "date": "2026-09-01",
      "system_avg": 25.07,
      "system_max": 41.59,
      "tokyo_avg": 24.48
    },
    {
      "date": "2026-09-02",
      "system_avg": 25.15,
      "system_max": 49.0,
      "tokyo_avg": 24.71
    },
    {
      "date": "2026-09-03",
      "system_avg": 26.37,
      "system_max": 35.0,
      "tokyo_avg": 27.29
    },
    {
      "date": "2026-09-04",
      "system_avg": 21.36,
      "system_max": 30.78,
      "tokyo_avg": 22.91
    },
    {
      "date": "2026-09-05",
      "system_avg": 14.49,
      "system_max": 20.52,
      "tokyo_avg": 15.21
    },
    {
      "date": "2026-09-06",
      "system_avg": 13.25,
      "system_max": 21.09,
      "tokyo_avg": 14.33
    },
    {
      "date": "2026-09-07",
      "system_avg": 21.04,
      "system_max": 32.53,
      "tokyo_avg": 23.99
    },
    {
      "date": "2026-09-08",
      "system_avg": 24.13,
      "system_max": 32.52,
      "tokyo_avg": 26.9
    },
    {
      "date": "2026-09-09",
      "system_avg": 21.61,
      "system_max": 27.49,
      "tokyo_avg": 25.86
    },
    {
      "date": "2026-09-10",
      "system_avg": 16.33,
      "system_max": 24.5,
      "tokyo_avg": 21.2
    },
    {
      "date": "2026-09-11",
      "system_avg": 17.6,
      "system_max": 22.78,
      "tokyo_avg": 20.01
    },
    {
      "date": "2026-09-12",
      "system_avg": 12.47,
      "system_max": 20.94,
      "tokyo_avg": 13.72
    },
    {
      "date": "2026-09-13",
      "system_avg": 14.29,
      "system_max": 23.5,
      "tokyo_avg": 17.42
    },
    {
      "date": "2026-09-14",
      "system_avg": 20.17,
      "system_max": 33.38,
      "tokyo_avg": 23.93
    },
    {
      "date": "2026-09-15",
      "system_avg": 22.51,
      "system_max": 31.29,
      "tokyo_avg": 27.45
    },
    {
      "date": "2026-09-16",
      "system_avg": 20.72,
      "system_max": 28.77,
      "tokyo_avg": 26.17
    },
    {
      "date": "2026-09-17",
      "system_avg": 17.07,
      "system_max": 28.23,
      "tokyo_avg": 21.36
    },
    {
      "date": "2026-09-18",
      "system_avg": 17.18,
      "system_max": 24.6,
      "tokyo_avg": 20.95
    },
    {
      "date": "2026-09-19",
      "system_avg": 16.84,
      "system_max": 22.51,
      "tokyo_avg": 22.26
    },
    {
      "date": "2026-09-20",
      "system_avg": 15.59,
      "system_max": 25.01,
      "tokyo_avg": 22.44
    },
    {
      "date": "2026-09-21",
      "system_avg": 17.92,
      "system_max": 26.93,
      "tokyo_avg": 27.15
    },
    {
      "date": "2026-09-22",
      "system_avg": 16.32,
      "system_max": 28.41,
      "tokyo_avg": 28.19
    },
    {
      "date": "2026-09-23",
      "system_avg": 17.98,
      "system_max": 27.94,
      "tokyo_avg": 27.41
    },
    {
      "date": "2026-09-24",
      "system_avg": 22.09,
      "system_max": 40.01,
      "tokyo_avg": 31.32
    },
    {
      "date": "2026-09-25",
      "system_avg": 19.1,
      "system_max": 28.61,
      "tokyo_avg": 27.22
    }
  ],
  "vulnerability": {
    "indicator": {
      "id": "vuln_power_01",
      "chapter": "power",
      "name": "広域予備率が警戒水準を下回った日数",
      "short_name": "予備率の警戒日数",
      "unit": "日",
      "definition_version": "1.0",
      "definition_fixed_on": "2026-08-22",
      "definition_doc": "docs/指標定義_脆弱性01_電力予備率警戒日数.md",
      "aggregation": "暦月（JST）。その日に公表された広域予備率（30分×48コマ×全ブロック）の最小値が閾値を下回った日を1日と数える",
      "means": "同じ出来事が起きたときに、どれだけ余力が薄い状態だったかの記録（脆弱性＝もろさ）",
      "not_means": "停電の予測ではない。また実需給断面の公表値に基づくため、前日16時時点の見通しで判断される需給ひっ迫注意報・警報の発令実績とは一致しない"
    },
    "thresholds": [
      {
        "key": "lt8",
        "value": 8,
        "label": "8%未満",
        "basis": "OCCTO 供給力提供（準備）通知の発動水準"
      },
      {
        "key": "lt5",
        "value": 5,
        "label": "5%未満",
        "basis": "需給ひっ迫準備情報（前々日）／注意報の上限"
      },
      {
        "key": "lt3",
        "value": 3,
        "label": "3%未満",
        "basis": "需給ひっ迫警報の水準（安定供給に最低限必要）"
      }
    ],
    "current_month": {
      "month": "2026-09",
      "observed_days": 24,
      "days_in_month": 30,
      "days_lt8": 2,
      "days_lt5": 0,
      "days_lt3": 0,
      "month_min": 7.02,
      "month_min_date": "2026-09-18",
      "month_min_time": "05:30",
      "month_min_areas": "中部",
      "tokyo_days_lt8": 0,
      "tokyo_days_lt5": 0,
      "tokyo_days_lt3": 0
    },
    "previous_month": {
      "month": "2026-08",
      "observed_days": 31,
      "days_in_month": 31,
      "days_lt8": 7,
      "days_lt5": 0,
      "days_lt3": 0,
      "month_min": 5.57,
      "month_min_date": "2026-08-26",
      "month_min_time": "18:00",
      "month_min_areas": "中部・北陸・関西・中国・四国・九州",
      "tokyo_days_lt8": 0,
      "tokyo_days_lt5": 0,
      "tokyo_days_lt3": 0
    },
    "current_is_partial": true,
    "change_vs_previous": {
      "days_lt8": -5,
      "days_lt5": 0,
      "days_lt3": 0
    },
    "change_note": "当月は 24/30 日時点の途中集計。前月（31日）とは分母が異なる",
    "monthly": [
      {
        "month": "2025-04",
        "observed_days": 30,
        "days_in_month": 30,
        "days_lt8": 0,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 9.5,
        "month_min_date": "2025-04-25",
        "month_min_time": "08:30",
        "month_min_areas": "東北・東京",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-05",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 1,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 6.37,
        "month_min_date": "2025-05-15",
        "month_min_time": "13:30",
        "month_min_areas": "東京",
        "tokyo_days_lt8": 1,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-06",
        "observed_days": 30,
        "days_in_month": 30,
        "days_lt8": 2,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 7.11,
        "month_min_date": "2025-06-18",
        "month_min_time": "10:00",
        "month_min_areas": "東京",
        "tokyo_days_lt8": 2,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-07",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 0,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 8.17,
        "month_min_date": "2025-07-15",
        "month_min_time": "08:00",
        "month_min_areas": "東京",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-08",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 2,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 7.05,
        "month_min_date": "2025-08-05",
        "month_min_time": "17:00",
        "month_min_areas": "東京・中部・北陸・関西",
        "tokyo_days_lt8": 2,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-09",
        "observed_days": 30,
        "days_in_month": 30,
        "days_lt8": 10,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 5.21,
        "month_min_date": "2025-09-08",
        "month_min_time": "17:00",
        "month_min_areas": "東京",
        "tokyo_days_lt8": 7,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-10",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 2,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 5.31,
        "month_min_date": "2025-10-14",
        "month_min_time": "16:30",
        "month_min_areas": "九州",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-11",
        "observed_days": 30,
        "days_in_month": 30,
        "days_lt8": 1,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 6.93,
        "month_min_date": "2025-11-05",
        "month_min_time": "11:00",
        "month_min_areas": "東京・中部",
        "tokyo_days_lt8": 1,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2025-12",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 5,
        "days_lt5": 2,
        "days_lt3": 1,
        "month_min": 0.9,
        "month_min_date": "2025-12-05",
        "month_min_time": "11:00",
        "month_min_areas": "北陸",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-01",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 2,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 7.76,
        "month_min_date": "2026-01-10",
        "month_min_time": "12:30",
        "month_min_areas": "北海道",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-02",
        "observed_days": 28,
        "days_in_month": 28,
        "days_lt8": 2,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 5.18,
        "month_min_date": "2026-02-24",
        "month_min_time": "05:00",
        "month_min_areas": "北陸",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-03",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 4,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 6.68,
        "month_min_date": "2026-03-20",
        "month_min_time": "18:00",
        "month_min_areas": "東京",
        "tokyo_days_lt8": 1,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-04",
        "observed_days": 30,
        "days_in_month": 30,
        "days_lt8": 3,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 5.01,
        "month_min_date": "2026-04-29",
        "month_min_time": "19:00",
        "month_min_areas": "北海道",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-05",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 6,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 5.76,
        "month_min_date": "2026-05-28",
        "month_min_time": "16:30",
        "month_min_areas": "東北・東京",
        "tokyo_days_lt8": 4,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-06",
        "observed_days": 30,
        "days_in_month": 30,
        "days_lt8": 6,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 5.85,
        "month_min_date": "2026-06-23",
        "month_min_time": "15:00",
        "month_min_areas": "北海道",
        "tokyo_days_lt8": 4,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-07",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 8,
        "days_lt5": 2,
        "days_lt3": 1,
        "month_min": 2.54,
        "month_min_date": "2026-07-22",
        "month_min_time": "17:00",
        "month_min_areas": "東京",
        "tokyo_days_lt8": 8,
        "tokyo_days_lt5": 2,
        "tokyo_days_lt3": 1
      },
      {
        "month": "2026-08",
        "observed_days": 31,
        "days_in_month": 31,
        "days_lt8": 7,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 5.57,
        "month_min_date": "2026-08-26",
        "month_min_time": "18:00",
        "month_min_areas": "中部・北陸・関西・中国・四国・九州",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      },
      {
        "month": "2026-09",
        "observed_days": 24,
        "days_in_month": 30,
        "days_lt8": 2,
        "days_lt5": 0,
        "days_lt3": 0,
        "month_min": 7.02,
        "month_min_date": "2026-09-18",
        "month_min_time": "05:30",
        "month_min_areas": "中部",
        "tokyo_days_lt8": 0,
        "tokyo_days_lt5": 0,
        "tokyo_days_lt3": 0
      }
    ],
    "detail": "/jp/api/vulnerability_jp.json"
  },
  "latest": {
    "reserve": {
      "date": "2026-09-24",
      "tokyo_min": 8.97,
      "national_min": 8.97,
      "value_status": "provisional",
      "fetched_at": "2026-09-24 10:30"
    },
    "jepx": {
      "date": "2026-09-25",
      "system_avg": 19.1,
      "system_max": 28.61,
      "tokyo_avg": 27.22
    }
  },
  "can_say": [
    "広域予備率の当日の全国最小値と東京エリア最小値（OCCTO 公表値・日次）、およびその値が指標定義書の閾値（8%・5%）のどの区分に当たるか",
    "JEPX スポット市場のシステムプライス（日別平均・最大）と東京エリア平均の推移",
    "広域予備率が定義書の閾値を下回った日数の月別集計（脆弱性①・定義 v1.0）"
  ],
  "cannot_say": [
    "停電や需給逼迫の注意報・警報が実際に出たか・出るか（予備率は公表断面の値であり、定義書 §4 のとおり発令実績とは一致しない）",
    "特定のデータセンターや事業者への電力供給の状況（地域集計のみで施設単位は扱わない）",
    "電力料金の総額や各社の契約単価（スポット価格は市場の一指標であり、各社の調達価格ではない）"
  ],
  "answer_line": "2026-09-23の全国の広域予備率（日別最小・確定値）は10.2%。警戒水準8%を上回った状態が5日続いています（確定値ベース）。（出典：OCCTO・JEPX／更新 2026-09-24 10:32 JST）",
  "answer_line_date": "2026-09-23",
  "answer_kind": "judged",
  "headline_answer": {
    "series": "reserve_national_min",
    "label": "全国の広域予備率（日別最小・確定値）",
    "value": 10.2,
    "unit": "%",
    "date": "2026-09-23",
    "threshold": {
      "value": 8,
      "label": "警戒水準8%"
    }
  },
  "faq": [
    {
      "q": "日本の電力予備率は今どのくらいか",
      "a": "2026-09-23の広域予備率（全国最小・確定値）は10.2%、東京エリア最小は14.75%です。警戒水準8%を上回った状態が5日続いています（確定値ベース）。出典：OCCTO 広域予備率Web公表システム（取得 2026-09-24 10:30・当日分は暫定で翌日確定）。"
    },
    {
      "q": "予備率8%を下回った日は今月何日あるか",
      "a": "2026-09は2日です（観測24日／30日時点の途中集計。5%未満 0日・3%未満 0日・月内最小 7.02%（2026-09-18））。定義 v1.0（2026-08-22 確定）。出典：OCCTO 公表値の自前集計（/jp/api/vulnerability_jp.json）。"
    },
    {
      "q": "JEPXスポット価格は今いくらか",
      "a": "2026-09-25のJEPXスポット システムプライス日平均は19.1円/kWhです。出典：JEPX スポット市場取引結果（自前取得・日次）。"
    },
    {
      "q": "このデータの出所と更新頻度は",
      "a": "広域予備率は電力広域的運営推進機関（OCCTO）の広域予備率Web公表システム、スポット価格は日本卸電力取引所（JEPX）の公表値を毎日11:00 JSTに自前取得しています（自前観測の開始 2026-08-20）。最終更新 2026-09-24 10:32 JST・機械可読データ https://ai-lifeline.org/jp/api/power_jp.json"
    },
    {
      "q": "このデータで言えないことは何か",
      "a": "この章から言えないこと（台帳 v1.0・2026-09-05 承認・章の方法節に全文）：停電や需給逼迫の注意報・警報が実際に出たか・出るか（予備率は公表断面の値であり、定義書 §4 のとおり発令実績とは一致しない）／特定のデータセンターや事業者への電力供給の状況（地域集計のみで施設単位は扱わない）／電力料金の総額や各社の契約単価（スポット価格は市場の一指標であり、各社の調達価格ではない）。"
    }
  ],
  "citation": {
    "page": "https://ai-lifeline.org/jp/denryoku/",
    "api": "https://ai-lifeline.org/jp/api/power_jp.json",
    "last_confirmed": "2026-09-25",
    "next_expected": "2026-09-24",
    "generated": "2026-09-24 10:32",
    "observation_start": "2026-08-20",
    "series_count": 3,
    "series_not_yet_measured": 0,
    "title_short": "予備率10.2%（9/23確定）",
    "generated_by": "scripts/citation/apply_citation_layer.py",
    "ledger_version": "v1.1-2026-09-06",
    "keys_written": [
      "summary",
      "cite_as",
      "answer_line",
      "answer_line_date",
      "answer_kind",
      "headline_answer",
      "faq",
      "citation"
    ]
  }
}