{
    "updated": "2026-10-21",
    "releases": [
        {
            "version": "3.0-selected-2026-07-16",
            "observed_date": "2026-07-10",
            "published_date": "2026-07-16",
            "file": "2026-07-16-selected.json",
            "sha256": "de0513c625ba5155900854037af4ed7a57a425cff2ccddf70fa1cd5b43832eaf",
            "summary": "Preserved selected-provider snapshot: 25 rates and four source gaps."
        },
        {
            "version": "4.0-selected-2026-10-06",
            "observed_date": "2026-10-06",
            "published_date": "2026-10-06",
            "file": "2026-10-06.json",
            "sha256": "1dccafc9850b7757233813f1b9832c3cb62a62f6211d9ae6a59b058fc45480cd",
            "summary": "26 rates and three source gaps. EDF offer version aligned with the current source; PE source gap resolved; Voltx display precision retained; supplier URLs refreshed."
        },
        {
            "version": "4.0-selected-2026-10-07",
            "observed_date": "2026-10-07",
            "published_date": "2026-10-07",
            "file": "2026-10-07.json",
            "sha256": "f42af039577f184ff11ae4519cc529447f8c9303494dec8f1cef91d984439a23",
            "summary": "Weekly official-source review completed: no changes to the 26 selected published rates or three explicit source gaps. Fuse article wording changed without establishing a Fuse tariff rate."
        },
        {
            "version": "4.0-selected-2026-10-14",
            "observed_date": "2026-10-14",
            "published_date": "2026-10-14",
            "file": "2026-10-14.json",
            "sha256": "e8994fd47c05410d9647ff31f35ce321fce6074a99fc8e22de9dd533bd05160a",
            "summary": "Weekly review: all 26 selected rates unchanged; three source gaps retained. ScottishPower effective date of 2 August 2025 newly documented from the official footnote, not a price change. Fuse guidance rewritten without an attributable export rate."
        },
        {
            "version": "4.0-selected-2026-10-21",
            "observed_date": "2026-10-21",
            "published_date": "2026-10-21",
            "file": "2026-10-21.json",
            "sha256": "a6e9bc455a0f8fb69c1ff6886c893ed184c75e63ad8073dbc3cd4d78f0ebdefc",
            "summary": "Completed weekly editorial review of all selected suppliers and Ofgem. No selected advertised rate changes from 14 October. Repaired the moved Voltx official source link; existing source gaps retained. Observation dates do not establish price effective dates."
        }
    ],
    "changes": [
        {
            "supplier": "EDF",
            "kind": "different_offer_version",
            "previous_observed_date": "2026-07-10",
            "previous_offer": "Export 12m",
            "previous_rate": 15,
            "observed_date": "2026-10-06",
            "offer": "Export 12m V2",
            "rate": 13,
            "effective_from": null,
            "explanation": "The July dataset recorded Export 12m at 15p; the current page advertises Export 12m V2 at 13p. The Here4Solar supplier guide already recorded V2 at 13p in its 5 September editorial update. These are advertised offer observations, not proof of a change to an existing contract."
        },
        {
            "supplier": "Pozitive Energy",
            "kind": "source_gap_resolved",
            "previous_observed_date": "2026-07-10",
            "previous_rate": null,
            "observed_date": "2026-10-06",
            "rate": 5,
            "effective_from": null,
            "explanation": "A replacement official PE tariff page publishes 5p/kWh. The earlier record had no verified rate; do not describe this as a rise from zero."
        },
        {
            "supplier": "Voltx Power",
            "kind": "display_precision_correction",
            "previous_observed_date": "2026-07-10",
            "previous_rate": 3.02,
            "observed_date": "2026-10-06",
            "rate": 3.02,
            "effective_from": null,
            "explanation": "The source and structured record say 3.02p. The old page displayed 3.0p. Correcting the display is not a tariff change."
        }
    ]
}