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  "is_live": false,
  "findings": [
    {
      "kind": "national",
      "title": "Petrol (E10) rose 2.9p",
      "detail": "The equal-station UK average ended the week at 172.2p per litre across 7,962 stations."
    },
    {
      "kind": "national",
      "title": "Diesel (B7) rose 4.6p",
      "detail": "The equal-station UK average ended the week at 195.9p per litre across 8,094 stations."
    },
    {
      "kind": "retailer",
      "title": "Costco had the lowest retailer petrol average",
      "detail": "Its measured average was 162.9p per litre across 22 stations."
    },
    {
      "kind": "area",
      "title": "ML postcode area was the fastest-rising petrol area",
      "detail": "The postcode-area average increased 3.9p to 174.8p per litre."
    },
    {
      "kind": "motorway",
      "title": "Motorway petrol carried a 22.2p premium",
      "detail": "That is about \u00a312.21 on a 55-litre fill compared with non-motorway stations."
    },
    {
      "kind": "supermarket",
      "title": "Supermarket petrol averaged 3.2p less",
      "detail": "The measured gap equates to about \u00a31.76 on a 55-litre fill."
    }
  ],
  "headline": "Petrol rose 2.9p and diesel rose 4.6p in the week to 20 September 2026",
  "week_start": "2026-09-14",
  "area_movers": {
    "diesel": {
      "rising": [
        {
          "key": "ZE",
          "label": "ZE postcode area",
          "change_7d": 6.6,
          "current_avg": 196.8,
          "previous_avg": 190.2,
          "station_count": 17,
          "comparison_station_count": 17
        },
        {
          "key": "LD",
          "label": "LD postcode area",
          "change_7d": 6.1,
          "current_avg": 198.8,
          "previous_avg": 192.7,
          "station_count": 19,
          "comparison_station_count": 19
        },
        {
          "key": "SR",
          "label": "SR postcode area",
          "change_7d": 5.9,
          "current_avg": 195.6,
          "previous_avg": 189.7,
          "station_count": 26,
          "comparison_station_count": 26
        },
        {
          "key": "BT",
          "label": "BT postcode area",
          "change_7d": 5.8,
          "current_avg": 190.7,
          "previous_avg": 184.9,
          "station_count": 573,
          "comparison_station_count": 570
        },
        {
          "key": "LN",
          "label": "LN postcode area",
          "change_7d": 5.8,
          "current_avg": 196.3,
          "previous_avg": 190.5,
          "station_count": 50,
          "comparison_station_count": 50
        }
      ],
      "falling": []
    },
    "petrol": {
      "rising": [
        {
          "key": "ML",
          "label": "ML postcode area",
          "change_7d": 3.9,
          "current_avg": 174.8,
          "previous_avg": 170.9,
          "station_count": 60,
          "comparison_station_count": 60
        },
        {
          "key": "IG",
          "label": "IG postcode area",
          "change_7d": 3.9,
          "current_avg": 171.7,
          "previous_avg": 167.8,
          "station_count": 28,
          "comparison_station_count": 28
        },
        {
          "key": "TA",
          "label": "TA postcode area",
          "change_7d": 3.8,
          "current_avg": 172.8,
          "previous_avg": 169.0,
          "station_count": 71,
          "comparison_station_count": 71
        },
        {
          "key": "CM",
          "label": "CM postcode area",
          "change_7d": 3.7,
          "current_avg": 175.2,
          "previous_avg": 171.5,
          "station_count": 83,
          "comparison_station_count": 83
        },
        {
          "key": "LD",
          "label": "LD postcode area",
          "change_7d": 3.7,
          "current_avg": 173.1,
          "previous_avg": 169.4,
          "station_count": 19,
          "comparison_station_count": 19
        }
      ],
      "falling": [
        {
          "key": "ZE",
          "label": "ZE postcode area",
          "change_7d": -0.6,
          "current_avg": 168.7,
          "previous_avg": 169.3,
          "station_count": 11,
          "comparison_station_count": 11
        }
      ]
    },
    "premium_diesel": {
      "rising": [
        {
          "key": "RM",
          "label": "RM postcode area",
          "change_7d": 7.7,
          "current_avg": 214.4,
          "previous_avg": 206.7,
          "station_count": 33,
          "comparison_station_count": 33
        },
        {
          "key": "LD",
          "label": "LD postcode area",
          "change_7d": 6.4,
          "current_avg": 210.9,
          "previous_avg": 204.5,
          "station_count": 5,
          "comparison_station_count": 5
        },
        {
          "key": "HD",
          "label": "HD postcode area",
          "change_7d": 6.1,
          "current_avg": 211.8,
          "previous_avg": 205.8,
          "station_count": 19,
          "comparison_station_count": 18
        },
        {
          "key": "BA",
          "label": "BA postcode area",
          "change_7d": 6.0,
          "current_avg": 215.9,
          "previous_avg": 209.9,
          "station_count": 31,
          "comparison_station_count": 31
        },
        {
          "key": "CW",
          "label": "CW postcode area",
          "change_7d": 6.0,
          "current_avg": 217.1,
          "previous_avg": 211.1,
          "station_count": 22,
          "comparison_station_count": 22
        }
      ],
      "falling": []
    },
    "premium_petrol": {
      "rising": [
        {
          "key": "ZE",
          "label": "ZE postcode area",
          "change_7d": 9.9,
          "current_avg": 174.5,
          "previous_avg": 164.6,
          "station_count": 5,
          "comparison_station_count": 5
        },
        {
          "key": "IV",
          "label": "IV postcode area",
          "change_7d": 4.1,
          "current_avg": 187.9,
          "previous_avg": 183.8,
          "station_count": 35,
          "comparison_station_count": 35
        },
        {
          "key": "SR",
          "label": "SR postcode area",
          "change_7d": 3.9,
          "current_avg": 188.9,
          "previous_avg": 185.0,
          "station_count": 21,
          "comparison_station_count": 21
        },
        {
          "key": "IG",
          "label": "IG postcode area",
          "change_7d": 3.7,
          "current_avg": 189.5,
          "previous_avg": 185.8,
          "station_count": 28,
          "comparison_station_count": 28
        },
        {
          "key": "LD",
          "label": "LD postcode area",
          "change_7d": 3.4,
          "current_avg": 188.1,
          "previous_avg": 184.7,
          "station_count": 10,
          "comparison_station_count": 10
        }
      ],
      "falling": [
        {
          "key": "HS",
          "label": "HS postcode area",
          "change_7d": -1.5,
          "current_avg": 171.2,
          "previous_avg": 172.7,
          "station_count": 8,
          "comparison_station_count": 8
        }
      ]
    }
  },
  "methodology": {
    "cohort": "A station/fuel enters from its first recorded price event; current active status is not projected backwards.",
    "price_bounds": "Values outside 50p to 300p per litre are excluded.",
    "carry_forward": "A station's last reported price is carried forward until it changes.",
    "area_definition": "Local movers use the alphabetic UK postcode area.",
    "station_weighting": "Each station contributes one equal-weight end-of-day price.",
    "classification_limitation": "Brand, postcode area, and motorway labels use the station's current classification because dated dimension history is not yet stored."
  },
  "week_ending": "2026-09-20",
  "generated_at": "2026-09-21T07:31:03.018370+00:00",
  "motorway_premium": {
    "diesel": {
      "premium": 18.5,
      "other_avg": 195.6,
      "motorway_avg": 214.1,
      "tank_premium_gbp": 10.18,
      "motorway_station_count": 136,
      "comparison_station_count": 7958
    },
    "petrol": {
      "premium": 22.2,
      "other_avg": 171.8,
      "motorway_avg": 194.0,
      "tank_premium_gbp": 12.21,
      "motorway_station_count": 136,
      "comparison_station_count": 7826
    },
    "premium_diesel": {
      "premium": 16.0,
      "other_avg": 213.4,
      "motorway_avg": 229.4,
      "tank_premium_gbp": 8.8,
      "motorway_station_count": 132,
      "comparison_station_count": 4143
    },
    "premium_petrol": {
      "premium": 23.9,
      "other_avg": 188.3,
      "motorway_avg": 212.2,
      "tank_premium_gbp": 13.14,
      "motorway_station_count": 132,
      "comparison_station_count": 6206
    }
  },
  "retailer_rankings": {
    "diesel": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 3.8,
        "current_avg": 185.2,
        "previous_avg": 181.4,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 5.6,
        "current_avg": 190.1,
        "previous_avg": 184.5,
        "station_count": 48,
        "comparison_station_count": 48
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 4.9,
        "current_avg": 190.5,
        "previous_avg": 185.6,
        "station_count": 93,
        "comparison_station_count": 93
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 2.4,
        "current_avg": 191.4,
        "previous_avg": 189.0,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 6.8,
        "current_avg": 191.6,
        "previous_avg": 184.8,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 5.3,
        "current_avg": 191.8,
        "previous_avg": 186.5,
        "station_count": 8,
        "comparison_station_count": 8
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 5.2,
        "current_avg": 191.9,
        "previous_avg": 186.7,
        "station_count": 516,
        "comparison_station_count": 516
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 5.5,
        "current_avg": 193.2,
        "previous_avg": 187.7,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 10.6,
        "current_avg": 193.3,
        "previous_avg": 182.7,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 3.9,
        "current_avg": 193.4,
        "previous_avg": 189.5,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 3.6,
        "current_avg": 193.6,
        "previous_avg": 190.0,
        "station_count": 49,
        "comparison_station_count": 49
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 4.7,
        "current_avg": 193.7,
        "previous_avg": 189.0,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 5.0,
        "current_avg": 193.9,
        "previous_avg": 188.9,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 4.7,
        "current_avg": 194.5,
        "previous_avg": 189.8,
        "station_count": 171,
        "comparison_station_count": 170
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 3.6,
        "current_avg": 195.0,
        "previous_avg": 191.4,
        "station_count": 171,
        "comparison_station_count": 168
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 4.8,
        "current_avg": 195.1,
        "previous_avg": 190.3,
        "station_count": 312,
        "comparison_station_count": 311
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 5.7,
        "current_avg": 195.2,
        "previous_avg": 189.5,
        "station_count": 21,
        "comparison_station_count": 21
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 5.2,
        "current_avg": 195.4,
        "previous_avg": 190.2,
        "station_count": 511,
        "comparison_station_count": 507
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 5.4,
        "current_avg": 195.6,
        "previous_avg": 190.2,
        "station_count": 51,
        "comparison_station_count": 51
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 2.7,
        "current_avg": 196.3,
        "previous_avg": 193.6,
        "station_count": 155,
        "comparison_station_count": 155
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 5.2,
        "current_avg": 196.3,
        "previous_avg": 191.1,
        "station_count": 302,
        "comparison_station_count": 299
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 2.3,
        "current_avg": 196.3,
        "previous_avg": 194.0,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 5.6,
        "current_avg": 198.0,
        "previous_avg": 192.4,
        "station_count": 1453,
        "comparison_station_count": 1453
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 3.4,
        "current_avg": 198.5,
        "previous_avg": 195.1,
        "station_count": 916,
        "comparison_station_count": 916
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 3.8,
        "current_avg": 198.9,
        "previous_avg": 195.1,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 4.8,
        "current_avg": 199.2,
        "previous_avg": 194.4,
        "station_count": 1099,
        "comparison_station_count": 1098
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 5.7,
        "current_avg": 199.3,
        "previous_avg": 193.6,
        "station_count": 18,
        "comparison_station_count": 18
      }
    ],
    "petrol": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 2.8,
        "current_avg": 162.9,
        "previous_avg": 160.1,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 1.7,
        "current_avg": 166.3,
        "previous_avg": 164.6,
        "station_count": 91,
        "comparison_station_count": 91
      },
      {
        "key": "Nicholl",
        "label": "Nicholl",
        "change_7d": 6.4,
        "current_avg": 166.3,
        "previous_avg": 159.9,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 2.2,
        "current_avg": 167.0,
        "previous_avg": 164.8,
        "station_count": 49,
        "comparison_station_count": 49
      },
      {
        "key": "Solo",
        "label": "Solo",
        "change_7d": 3.7,
        "current_avg": 167.9,
        "previous_avg": 164.2,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 1.3,
        "current_avg": 169.0,
        "previous_avg": 167.7,
        "station_count": 316,
        "comparison_station_count": 316
      },
      {
        "key": "Emo",
        "label": "Emo",
        "change_7d": 6.5,
        "current_avg": 169.1,
        "previous_avg": 162.6,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Tesco",
        "label": "Tesco",
        "change_7d": 4.4,
        "current_avg": 169.4,
        "previous_avg": 165.0,
        "station_count": 516,
        "comparison_station_count": 516
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 3.4,
        "current_avg": 170.1,
        "previous_avg": 166.7,
        "station_count": 340,
        "comparison_station_count": 340
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 2.9,
        "current_avg": 170.3,
        "previous_avg": 167.4,
        "station_count": 405,
        "comparison_station_count": 405
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
        "change_7d": 2.5,
        "current_avg": 170.5,
        "previous_avg": 168.0,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 2.5,
        "current_avg": 170.5,
        "previous_avg": 168.0,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 2.5,
        "current_avg": 170.7,
        "previous_avg": 168.2,
        "station_count": 50,
        "comparison_station_count": 50
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 4.7,
        "current_avg": 170.8,
        "previous_avg": 166.1,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 2.7,
        "current_avg": 170.8,
        "previous_avg": 168.0,
        "station_count": 173,
        "comparison_station_count": 172
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 2.5,
        "current_avg": 170.9,
        "previous_avg": 168.4,
        "station_count": 312,
        "comparison_station_count": 311
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 2.1,
        "current_avg": 171.0,
        "previous_avg": 168.9,
        "station_count": 171,
        "comparison_station_count": 169
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 3.2,
        "current_avg": 171.3,
        "previous_avg": 168.1,
        "station_count": 516,
        "comparison_station_count": 513
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 0.8,
        "current_avg": 171.9,
        "previous_avg": 171.1,
        "station_count": 157,
        "comparison_station_count": 157
      },
      {
        "key": "Pace",
        "label": "Pace",
        "change_7d": 3.3,
        "current_avg": 172.2,
        "previous_avg": 168.9,
        "station_count": 46,
        "comparison_station_count": 46
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 3.1,
        "current_avg": 172.5,
        "previous_avg": 169.4,
        "station_count": 301,
        "comparison_station_count": 298
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 1.1,
        "current_avg": 172.6,
        "previous_avg": 171.5,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 3.0,
        "current_avg": 173.2,
        "previous_avg": 170.2,
        "station_count": 1458,
        "comparison_station_count": 1458
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 3.7,
        "current_avg": 174.7,
        "previous_avg": 171.0,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 2.4,
        "current_avg": 174.9,
        "previous_avg": 172.5,
        "station_count": 27,
        "comparison_station_count": 27
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 2.9,
        "current_avg": 175.1,
        "previous_avg": 172.2,
        "station_count": 1102,
        "comparison_station_count": 1101
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 2.5,
        "current_avg": 175.3,
        "previous_avg": 172.8,
        "station_count": 918,
        "comparison_station_count": 918
      }
    ],
    "premium_diesel": [
      {
        "key": "Essar",
        "label": "Essar",
        "change_7d": 2.5,
        "current_avg": 193.3,
        "previous_avg": 190.8,
        "station_count": 9,
        "comparison_station_count": 9
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 5.0,
        "current_avg": 193.5,
        "previous_avg": 188.5,
        "station_count": 13,
        "comparison_station_count": 13
      },
      {
        "key": "Maxol",
        "label": "Maxol",
        "change_7d": 4.9,
        "current_avg": 194.7,
        "previous_avg": 189.8,
        "station_count": 15,
        "comparison_station_count": 15
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 0.4,
        "current_avg": 199.9,
        "previous_avg": 199.5,
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      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
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        "comparison_station_count": 91
      },
      {
        "key": "Co-op",
        "label": "Co-op",
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        "previous_avg": 200.7,
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        "comparison_station_count": 6
      },
      {
        "key": "Murco",
        "label": "Murco",
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        "previous_avg": 200.2,
        "station_count": 20,
        "comparison_station_count": 20
      },
      {
        "key": "Texaco",
        "label": "Texaco",
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        "current_avg": 207.9,
        "previous_avg": 202.7,
        "station_count": 295,
        "comparison_station_count": 295
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 5.7,
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        "previous_avg": 202.4,
        "station_count": 77,
        "comparison_station_count": 76
      },
      {
        "key": "Jet",
        "label": "Jet",
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        "current_avg": 208.1,
        "previous_avg": 204.2,
        "station_count": 163,
        "comparison_station_count": 163
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 3.7,
        "current_avg": 208.8,
        "previous_avg": 205.1,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Valero",
        "label": "Valero",
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        "previous_avg": 208.3,
        "station_count": 135,
        "comparison_station_count": 133
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 6.0,
        "current_avg": 211.0,
        "previous_avg": 205.0,
        "station_count": 53,
        "comparison_station_count": 53
      },
      {
        "key": "Esso",
        "label": "Esso",
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        "current_avg": 214.4,
        "previous_avg": 208.6,
        "station_count": 1165,
        "comparison_station_count": 1165
      },
      {
        "key": "EG",
        "label": "EG",
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        "current_avg": 215.3,
        "previous_avg": 212.5,
        "station_count": 81,
        "comparison_station_count": 81
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 5.0,
        "current_avg": 217.0,
        "previous_avg": 212.0,
        "station_count": 1007,
        "comparison_station_count": 1005
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 3.6,
        "current_avg": 219.9,
        "previous_avg": 216.3,
        "station_count": 870,
        "comparison_station_count": 870
      }
    ],
    "premium_petrol": [
      {
        "key": "Costco",
        "label": "Costco",
        "change_7d": 3.5,
        "current_avg": 173.4,
        "previous_avg": 169.9,
        "station_count": 22,
        "comparison_station_count": 22
      },
      {
        "key": "Circle K",
        "label": "Circle K",
        "change_7d": 3.4,
        "current_avg": 173.8,
        "previous_avg": 170.4,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Maxol",
        "label": "Maxol",
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        "previous_avg": 172.4,
        "station_count": 53,
        "comparison_station_count": 53
      },
      {
        "key": "Applegreen",
        "label": "Applegreen",
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        "previous_avg": 173.1,
        "station_count": 5,
        "comparison_station_count": 5
      },
      {
        "key": "Pace",
        "label": "Pace",
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        "current_avg": 176.3,
        "previous_avg": 172.8,
        "station_count": 12,
        "comparison_station_count": 12
      },
      {
        "key": "Essar",
        "label": "Essar",
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        "previous_avg": 176.8,
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        "comparison_station_count": 22
      },
      {
        "key": "Tesco",
        "label": "Tesco",
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        "current_avg": 179.8,
        "previous_avg": 175.4,
        "station_count": 464,
        "comparison_station_count": 464
      },
      {
        "key": "Sainsburys",
        "label": "Sainsbury's",
        "change_7d": 1.3,
        "current_avg": 181.0,
        "previous_avg": 179.7,
        "station_count": 292,
        "comparison_station_count": 292
      },
      {
        "key": "Co-op",
        "label": "Co-op",
        "change_7d": 4.5,
        "current_avg": 181.8,
        "previous_avg": 177.3,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "Total Energies",
        "label": "Total Energies",
        "change_7d": 2.4,
        "current_avg": 182.9,
        "previous_avg": 180.5,
        "station_count": 18,
        "comparison_station_count": 18
      },
      {
        "key": "Murco",
        "label": "Murco",
        "change_7d": 3.1,
        "current_avg": 184.8,
        "previous_avg": 181.7,
        "station_count": 81,
        "comparison_station_count": 80
      },
      {
        "key": "Central Convenience",
        "label": "Central Convenience",
        "change_7d": 3.5,
        "current_avg": 185.4,
        "previous_avg": 181.9,
        "station_count": 11,
        "comparison_station_count": 11
      },
      {
        "key": "Gleaner",
        "label": "Gleaner",
        "change_7d": 2.6,
        "current_avg": 186.2,
        "previous_avg": 183.6,
        "station_count": 6,
        "comparison_station_count": 6
      },
      {
        "key": "Gulf",
        "label": "Gulf",
        "change_7d": 2.9,
        "current_avg": 186.4,
        "previous_avg": 183.5,
        "station_count": 161,
        "comparison_station_count": 159
      },
      {
        "key": "Texaco",
        "label": "Texaco",
        "change_7d": 2.6,
        "current_avg": 186.4,
        "previous_avg": 183.8,
        "station_count": 398,
        "comparison_station_count": 398
      },
      {
        "key": "Morrisons",
        "label": "Morrisons",
        "change_7d": 0.0,
        "current_avg": 186.5,
        "previous_avg": 186.5,
        "station_count": 339,
        "comparison_station_count": 339
      },
      {
        "key": "Jet",
        "label": "Jet",
        "change_7d": 2.1,
        "current_avg": 186.8,
        "previous_avg": 184.7,
        "station_count": 244,
        "comparison_station_count": 244
      },
      {
        "key": "Valero",
        "label": "Valero",
        "change_7d": 1.1,
        "current_avg": 188.5,
        "previous_avg": 187.5,
        "station_count": 142,
        "comparison_station_count": 141
      },
      {
        "key": "Asda",
        "label": "Asda",
        "change_7d": 4.0,
        "current_avg": 188.7,
        "previous_avg": 184.7,
        "station_count": 78,
        "comparison_station_count": 78
      },
      {
        "key": "Esso",
        "label": "Esso",
        "change_7d": 1.9,
        "current_avg": 190.1,
        "previous_avg": 188.2,
        "station_count": 1357,
        "comparison_station_count": 1357
      },
      {
        "key": "Harvest Energy",
        "label": "Harvest Energy",
        "change_7d": 1.2,
        "current_avg": 190.9,
        "previous_avg": 189.7,
        "station_count": 14,
        "comparison_station_count": 14
      },
      {
        "key": "EG",
        "label": "EG",
        "change_7d": 0.8,
        "current_avg": 191.6,
        "previous_avg": 190.8,
        "station_count": 136,
        "comparison_station_count": 136
      },
      {
        "key": "BP",
        "label": "BP",
        "change_7d": 2.3,
        "current_avg": 193.0,
        "previous_avg": 190.7,
        "station_count": 1049,
        "comparison_station_count": 1048
      },
      {
        "key": "Shell",
        "label": "Shell",
        "change_7d": 2.6,
        "current_avg": 198.1,
        "previous_avg": 195.5,
        "station_count": 911,
        "comparison_station_count": 911
      }
    ]
  },
  "source_updated_at": "2026-09-20T22:57:37+00:00",
  "methodology_version": "1.0-historical",
  "active_station_count": 8135,
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      "other_avg": 196.8,
      "supermarket_avg": 192.5,
      "tank_saving_gbp": 2.37,
      "comparison_station_count": 6475,
      "supermarket_station_count": 1619
    },
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      "comparison_station_count": 6343,
      "supermarket_station_count": 1619
    },
    "premium_diesel": {
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      "comparison_station_count": 4125,
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    },
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      "tank_saving_gbp": 4.34,
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      "supermarket_station_count": 1209
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  },
  "historical_station_universe_count": 8226
}