{
  "id": "stoen-g12-2026",
  "name": "Stoen Operator — Taryfa G12",
  "dso": "Stoen Operator Sp. z o.o.",
  "tariff_group": "G12",
  "valid_from": "2026-01-01",
  "valid_to": null,
  "version": "2026",
  "currency": "PLN",
  "source_url": "https://www.stoen.pl/pl/strona/grupa-taryfowa-g",
  "notes": "Taryfa dla energii elektrycznej w zakresie dystrybucji Stoen Operator Sp. z o.o. obowiązuje od 01.01.2026 r. Obszar: Warszawa (miejski). Strefy: dzienna 06:00–13:00 i 15:00–22:00 (cały rok, dotyczy też sobót), nocna: 13:00–15:00 i 22:00–06:00 + niedziele + święta. Stawka jakościowa: 0,0331 zł/kWh (styczeń), 0,0332 zł/kWh (od lutego).",

  "variable_rates_pln_kwh": {
    "type": "tou",
    "periods": [
      {
        "name": "day",
        "label": "Dzienna",
        "rate": 0.2545,
        "schedule": {
          "weekday":  ["06:00-13:00", "15:00-22:00"],
          "saturday": ["06:00-13:00", "15:00-22:00"],
          "sunday":   [],
          "holiday":  []
        }
      },
      {
        "name": "night",
        "label": "Nocna",
        "rate": 0.0555,
        "schedule": {
          "weekday":  ["00:00-06:00", "13:00-15:00", "22:00-24:00"],
          "saturday": ["00:00-06:00", "13:00-15:00", "22:00-24:00"],
          "sunday":   ["00:00-24:00"],
          "holiday":  ["00:00-24:00"]
        }
      }
    ]
  },

  "fixed_charges_monthly": {
    "subscription_pln": 2.88,
    "network_pln_1phase": 11.46,
    "network_pln_3phase": 18.53,
    "power_demand_pln_per_kw": 0.0
  },

  "capacity_monthly_pln": {
    "below_500kwh": 4.29,
    "500_to_1200kwh": 10.31,
    "1200_to_2800kwh": 17.18,
    "above_2800kwh": 24.05
  },

  "system_charges_pln_kwh": {
    "oze": 0.0073,
    "capacity": 0.0,
    "quality": 0.0331,
    "transition": 0.0,
    "cogeneration": 0.003
  },

  "excise_pln_kwh": 0.005,
  "vat_rate": 0.23
}