{
  "generated_for": "2026-10-08",
  "methodology": {
    "cohort": "published JSON, standard 12-month fixed and standard variable; unique cheapest annual-cost row per marketer/kind; exclude regulated, quarantined, missing values and explicit existing-only notes",
    "deterministic_tie_break": [
      "total_annual_cost",
      "signup service",
      "marketer name",
      "rate"
    ],
    "normalization": "613 therms/year, old annual base for both periods; rate effect on old usage, usage effect on new rate",
    "variable_caveat": "Filed monthly snapshot only. Monthly example holds that month\u2019s rate for that month; no annual forecast or promise of savings. Excludes intro variable deals.",
    "eligibility_caveat": "Some standard fixed offerings limited by delivery group; these are comparable filed plans, not universal eligibility. SCANA 2025 and Walton current notes restrict delivery groups. TNG Rome restricted; not full exclusion."
  },
  "old_assumptions": {
    "therms_per_year": 613,
    "therms_per_month": 18,
    "annual_base_charge": 536.59,
    "monthly_base_charge": 36.7
  },
  "new_assumptions": {
    "therms_per_year": 641,
    "therms_per_month": 18,
    "annual_base_charge": 580.53,
    "monthly_base_charge": 39.71
  },
  "sources": {
    "2025-10": {
      "page": "https://psc.ga.gov/utilities/natural-gas/marketers-pricing-index/october-2025/",
      "charts": {
        "fixed": "https://psc.ga.gov/site/assets/files/9060/october_2025_fixed_pricing-1.pdf",
        "variable": "https://psc.ga.gov/site/assets/files/9060/october_2025_variable_pricing.pdf",
        "senior": "https://psc.ga.gov/site/assets/files/9060/october_2025_sr_pricing.pdf",
        "prepay": "https://psc.ga.gov/site/assets/files/9060/october_2025_prepay_pricing.pdf"
      },
      "fetched_at": "2026-09-02T17:51:23+00:00"
    },
    "2026-10": {
      "page": "https://psc.ga.gov/utilities/natural-gas/marketers-pricing-index/october-2026/",
      "charts": {
        "fixed": "https://psc.ga.gov/site/assets/files/9761/fixed_october_2026_pricing-1.pdf",
        "variable": "https://psc.ga.gov/site/assets/files/9761/variable_october_2026_pricing.pdf",
        "senior": "https://psc.ga.gov/site/assets/files/9761/sr_october_2026_pricing.pdf",
        "prepay": "https://psc.ga.gov/site/assets/files/9761/prepay_october_2026_pricing.pdf"
      },
      "fetched_at": "2026-10-06T19:46:16+00:00"
    }
  },
  "source_sha256": {
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