{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "9501",
  "company_name": "東京電力ホールディングス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/9501/",
  "api_url": "/api/9501/decisions.json",
  "updated": "2026-08-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/9501/",
  "count": 4,
  "description": "Index of this company's management decisions. One decision = one endpoint: follow api_url for the full dossier (background, the decision itself, outcome, quoted primary sources and references).",
  "decisions": [
    {
      "slug": "thermal-shift-1955",
      "url": "/tse/9501/decisions/thermal-shift-1955/",
      "api_url": "/api/9501/decisions/thermal-shift-1955.json",
      "year": 1955,
      "month": 8,
      "type": "transformation",
      "tags": [
        "bm-core-shift",
        "st-capex"
      ],
      "title": "水主火従から火主水従へ──火力を基幹電源に据えた電源構成の転換",
      "subtitle": "渇水のたびに揺らぐ水力偏重の供給を、東京電力はどう作り替えたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "fukushima-daiichi-1971",
      "url": "/tse/9501/decisions/fukushima-daiichi-1971/",
      "api_url": "/api/9501/decisions/fukushima-daiichi-1971.json",
      "year": 1971,
      "month": null,
      "type": "new_business",
      "tags": [
        "st-capex",
        "bm-core-shift"
      ],
      "title": "福島第一原子力発電所の建設と原子力への参入",
      "subtitle": "膨張する首都圏の電力需要に、東京電力はなぜ原子力を基幹電源に選んだか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "nationalization-2012",
      "url": "/tse/9501/decisions/nationalization-2012/",
      "api_url": "/api/9501/decisions/nationalization-2012.json",
      "year": 2012,
      "month": 5,
      "type": "capital",
      "tags": [
        "tr-crisis",
        "cp-finance"
      ],
      "title": "1兆円の公的資金を受け入れ、議決権の過半を政府へ渡す",
      "subtitle": "賠償も廃炉も自力では担えない規模になったとき、東京電力は民間企業のまま何を手放したか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "jera-2015",
      "url": "/tse/9501/decisions/jera-2015/",
      "api_url": "/api/9501/decisions/jera-2015.json",
      "year": 2015,
      "month": 4,
      "type": "divestiture",
      "tags": [
        "pf-exit",
        "bm-core-shift"
      ],
      "title": "火力発電と燃料調達を中部電力との合弁JERAへ移し、自社の火力発電所を手放す",
      "subtitle": "売上の大半を生んできた事業を他社との合弁へ出したとき、東京電力に何が残ったか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "capital",
      "count": 1,
      "url": "/api/9501/decisions/by-type/capital.json"
    },
    {
      "key": "divestiture",
      "count": 1,
      "url": "/api/9501/decisions/by-type/divestiture.json"
    },
    {
      "key": "new_business",
      "count": 1,
      "url": "/api/9501/decisions/by-type/new_business.json"
    },
    {
      "key": "transformation",
      "count": 1,
      "url": "/api/9501/decisions/by-type/transformation.json"
    }
  ],
  "by_decade": [
    {
      "key": "1950s",
      "count": 1,
      "url": "/api/9501/decisions/by-decade/1950s.json"
    },
    {
      "key": "1970s",
      "count": 1,
      "url": "/api/9501/decisions/by-decade/1970s.json"
    },
    {
      "key": "2010s",
      "count": 2,
      "url": "/api/9501/decisions/by-decade/2010s.json"
    }
  ]
}