{
  "_readme": "サイト全体の数字の元データ。毎月 months に1行足して `npm run build` すれば、本編・回収の進捗・図解の3ページが一緒に更新される。金額は税込・検針票および買取実績の実額。",
  "_fields": {
    "m": "年月",
    "sell": "売電収入（円）／東京電力パワーグリッド 購入実績（2025年6・7月は口座の入金記録）",
    "bill": "電気料金（円）／オクトパスエナジーの請求書",
    "rate": "その月の実効単価（円/kWh、電力量料金＋再エネ賦課金）",
    "gen": "発電量（kWh）／電力モニター日別",
    "use": "消費電力量（kWh）／同上",
    "sellKwh": "売電量（kWh）／同上",
    "buy": "買電量（kWh）／同上",
    "chg": "蓄電池充電量（kWh）／同上"
  },
  "updated": "2026-09-13",
  "months": [
    {
      "m": "2025-06",
      "sell": 9975,
      "bill": 5407,
      "rate": 35.58,
      "gen": 1249,
      "use": 660,
      "sellKwh": 692,
      "buy": 145,
      "chg": 213
    },
    {
      "m": "2025-07",
      "sell": 11445,
      "bill": 5976,
      "rate": 35.58,
      "gen": 1477,
      "use": 787,
      "sellKwh": 811,
      "buy": 168,
      "chg": 243
    },
    {
      "m": "2025-08",
      "sell": 9300,
      "bill": 6734,
      "rate": 35.58,
      "gen": 1301,
      "use": 821,
      "sellKwh": 629,
      "buy": 195,
      "chg": 238
    },
    {
      "m": "2025-09",
      "sell": 6225,
      "bill": 7689,
      "rate": 35.58,
      "gen": 1023,
      "use": 738,
      "sellKwh": 457,
      "buy": 217,
      "chg": 221
    },
    {
      "m": "2025-10",
      "sell": 3360,
      "bill": 5043,
      "rate": 35.58,
      "gen": 634,
      "use": 517,
      "sellKwh": 225,
      "buy": 151,
      "chg": 200
    },
    {
      "m": "2025-11",
      "sell": 4110,
      "bill": 6332,
      "rate": 35.58,
      "gen": 718,
      "use": 568,
      "sellKwh": 279,
      "buy": 174,
      "chg": 202
    },
    {
      "m": "2025-12",
      "sell": 2520,
      "bill": 11741,
      "rate": 35.58,
      "gen": 659,
      "use": 762,
      "sellKwh": 175,
      "buy": 321,
      "chg": 189
    },
    {
      "m": "2026-01",
      "sell": 4260,
      "bill": 13767,
      "rate": 35.58,
      "gen": 841,
      "use": 805,
      "sellKwh": 288,
      "buy": 300,
      "chg": 215
    },
    {
      "m": "2026-02",
      "sell": 4605,
      "bill": 11539,
      "rate": 35.58,
      "gen": 775,
      "use": 706,
      "sellKwh": 306,
      "buy": 277,
      "chg": 175
    },
    {
      "m": "2026-03",
      "sell": 7815,
      "bill": 9334,
      "rate": 35.58,
      "gen": 1084,
      "use": 652,
      "sellKwh": 564,
      "buy": 176,
      "chg": 202
    },
    {
      "m": "2026-04",
      "sell": 9300,
      "bill": 2360,
      "rate": 35.78,
      "gen": 1137,
      "use": 521,
      "sellKwh": 641,
      "buy": 70,
      "chg": 211
    },
    {
      "m": "2026-05",
      "sell": 13710,
      "bill": 2718,
      "rate": 35.78,
      "gen": 1459,
      "use": 577,
      "sellKwh": 908,
      "buy": 73,
      "chg": 231
    },
    {
      "m": "2026-06",
      "sell": 5565,
      "bill": 5792,
      "rate": 35.11,
      "gen": 958,
      "use": 667,
      "sellKwh": 415,
      "buy": 166,
      "chg": 210
    },
    {
      "m": "2026-07",
      "sell": 7725,
      "bill": 6322,
      "rate": 35.11,
      "gen": 1213,
      "use": 834,
      "sellKwh": 525,
      "buy": 192,
      "chg": 245
    },
    {
      "m": "2026-08",
      "sell": 5955,
      "bill": 8601,
      "rate": 35.11,
      "gen": 1116,
      "use": 881,
      "sellKwh": 425,
      "buy": 239,
      "chg": 255
    }
  ],
  "systemCost": 2250000,
  "capacityKw": 10.29,
  "batteryUsableKwh": 6.34,
  "batteryCycleLife": 12000,
  "fitRate": 15,
  "assumedRate": 31,
  "actualRate": 35.11,
  "newFit": {
    "early": 24,
    "late": 8.3
  },
  "postFitRate": 8,
  "postFitStd": 8.5,
  "postFitMax": 14.6,
  "panelDecay": 0.005,
  "checkupYears": [
    4,
    8,
    12,
    16,
    20,
    24,
    28
  ],
  "checkupCost": 20000,
  "pcsYear": 15,
  "pcsCost": 250000
}