{"fuel":"KEROSENE","caveats":["These are observed recent prices, not supplier-confirmed or bookable offers.","Coverage varies by county, supplier and delivery volume; an empty value is not estimated from another volume.","Final delivered price, fees, availability and timing must be confirmed with the named oil supplier."],"license":{"url":"https://creativecommons.org/licenses/by/4.0/","name":"Creative Commons Attribution 4.0 International","shortName":"CC BY 4.0","attributionTemplate":"Source: Tankful weekly observed heating-oil index, [issue date], revision [number], licensed under CC BY 4.0."},"volumes":[{"q1":510,"q3":515.87,"max":547.5,"min":489.5,"litres":300,"status":"publishable","midpoint":515.5,"periodEnd":"2026-09-29","countyCount":26,"periodStart":"2026-09-23","dataAgeHours":0,"statusReason":null,"coverageQuality":"strong","weeklyChangePct":-1,"observationCount":467,"previousMidpoint":520.5,"absoluteChangeEur":-5,"lastObservationAt":"2026-09-29T05:19:26.501Z","previousPeriodEnd":"2026-09-22","previousCountyCount":26,"previousPeriodStart":"2026-09-16","comparableCountyCount":22,"descriptiveAggregateMidpoint":515.04},{"q1":824.73,"q3":829,"max":840,"min":789,"litres":500,"status":"publishable","midpoint":827.74,"periodEnd":"2026-09-29","countyCount":26,"periodStart":"2026-09-23","dataAgeHours":0,"statusReason":null,"coverageQuality":"strong","weeklyChangePct":-0.2,"observationCount":816,"previousMidpoint":829.63,"absoluteChangeEur":-1.89,"lastObservationAt":"2026-09-29T05:22:29.813Z","previousPeriodEnd":"2026-09-22","previousCountyCount":26,"previousPeriodStart":"2026-09-16","comparableCountyCount":26,"descriptiveAggregateMidpoint":827.98},{"q1":1613.5,"q3":1630,"max":1689,"min":1545,"litres":1000,"status":"publishable","midpoint":1629.97,"periodEnd":"2026-09-29","countyCount":26,"periodStart":"2026-09-23","dataAgeHours":0,"statusReason":null,"coverageQuality":"strong","weeklyChangePct":-0.7,"observationCount":469,"previousMidpoint":1642.13,"absoluteChangeEur":-12.16,"lastObservationAt":"2026-09-29T05:19:26.501Z","previousPeriodEnd":"2026-09-22","previousCountyCount":26,"previousPeriodStart":"2026-09-16","comparableCountyCount":22,"descriptiveAggregateMidpoint":1629.97}],"coverage":{"supportedVolumes":[300,500,1000],"expectedCountyCount":26,"observationsChecked":1752,"observedCountyCount":26},"freshness":"fresh","geography":"Ireland","issueDate":"2026-09-29","countyRows":[{"county":"Carlow","litres":500,"sourceCount":5,"nationalRank":8,"currentMaxEur":837.97,"currentMinEur":821,"lastCheckedAt":"2026-09-29T02:50:53.434Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.3,"absoluteChangeEur":-2.5,"previousPeriodEnd":"2026-09-22","currentMidpointEur":824,"currentPeriodStart":"2026-09-23","previousMidpointEur":826.5,"previousPeriodStart":"2026-09-16","currentObservationCount":24,"previousObservationCount":22,"differenceFromNationalEur":-3.74},{"county":"Cavan","litres":500,"sourceCount":6,"nationalRank":12,"currentMaxEur":830.14,"currentMinEur":790,"lastCheckedAt":"2026-09-28T22:35:27.588Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.2,"absoluteChangeEur":-1.76,"previousPeriodEnd":"2026-09-22","currentMidpointEur":827.24,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":33,"previousObservationCount":32,"differenceFromNationalEur":-0.5},{"county":"Clare","litres":500,"sourceCount":3,"nationalRank":26,"currentMaxEur":834,"currentMinEur":825,"lastCheckedAt":"2026-09-28T21:12:46.883Z","currentPeriodEnd":"2026-09-29","percentageChange":-1.6,"absoluteChangeEur":-13.75,"previousPeriodEnd":"2026-09-22","currentMidpointEur":830,"currentPeriodStart":"2026-09-23","previousMidpointEur":843.75,"previousPeriodStart":"2026-09-16","currentObservationCount":8,"previousObservationCount":15,"differenceFromNationalEur":2.26},{"county":"Cork","litres":500,"sourceCount":8,"nationalRank":19,"currentMaxEur":830,"currentMinEur":808.97,"lastCheckedAt":"2026-09-29T05:17:27.634Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.2,"absoluteChangeEur":-1.49,"previousPeriodEnd":"2026-09-22","currentMidpointEur":828.27,"currentPeriodStart":"2026-09-23","previousMidpointEur":829.76,"previousPeriodStart":"2026-09-16","currentObservationCount":39,"previousObservationCount":28,"differenceFromNationalEur":0.53},{"county":"Donegal","litres":500,"sourceCount":5,"nationalRank":14,"currentMaxEur":835,"currentMinEur":810,"lastCheckedAt":"2026-09-29T05:19:26.501Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.8,"absoluteChangeEur":-7.02,"previousPeriodEnd":"2026-09-22","currentMidpointEur":827.98,"currentPeriodStart":"2026-09-23","previousMidpointEur":835,"previousPeriodStart":"2026-09-16","currentObservationCount":28,"previousObservationCount":44,"differenceFromNationalEur":0.24},{"county":"Dublin","litres":500,"sourceCount":8,"nationalRank":3,"currentMaxEur":871,"currentMinEur":789,"lastCheckedAt":"2026-09-29T05:22:29.813Z","currentPeriodEnd":"2026-09-29","percentageChange":-2.2,"absoluteChangeEur":-18.46,"previousPeriodEnd":"2026-09-22","currentMidpointEur":816.51,"currentPeriodStart":"2026-09-23","previousMidpointEur":834.96,"previousPeriodStart":"2026-09-16","currentObservationCount":37,"previousObservationCount":38,"differenceFromNationalEur":-11.24},{"county":"Galway","litres":500,"sourceCount":7,"nationalRank":20,"currentMaxEur":830,"currentMinEur":794,"lastCheckedAt":"2026-09-29T05:10:24.140Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.1,"absoluteChangeEur":-0.51,"previousPeriodEnd":"2026-09-22","currentMidpointEur":828.49,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":44,"previousObservationCount":44,"differenceFromNationalEur":0.75},{"county":"Kerry","litres":500,"sourceCount":3,"nationalRank":4,"currentMaxEur":830,"currentMinEur":820,"lastCheckedAt":"2026-09-29T02:41:56.291Z","currentPeriodEnd":"2026-09-29","percentageChange":-1.1,"absoluteChangeEur":-9,"previousPeriodEnd":"2026-09-22","currentMidpointEur":820,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":11,"previousObservationCount":4,"differenceFromNationalEur":-7.74},{"county":"Kildare","litres":500,"sourceCount":11,"nationalRank":6,"currentMaxEur":871,"currentMinEur":789,"lastCheckedAt":"2026-09-29T04:35:43.661Z","currentPeriodEnd":"2026-09-29","percentageChange":-2.1,"absoluteChangeEur":-17.53,"previousPeriodEnd":"2026-09-22","currentMidpointEur":821.97,"currentPeriodStart":"2026-09-23","previousMidpointEur":839.5,"previousPeriodStart":"2026-09-16","currentObservationCount":61,"previousObservationCount":55,"differenceFromNationalEur":-5.77},{"county":"Kilkenny","litres":500,"sourceCount":5,"nationalRank":22,"currentMaxEur":844.41,"currentMinEur":819,"lastCheckedAt":"2026-09-29T05:08:21.563Z","currentPeriodEnd":"2026-09-29","percentageChange":0.3,"absoluteChangeEur":2.52,"previousPeriodEnd":"2026-09-22","currentMidpointEur":829,"currentPeriodStart":"2026-09-23","previousMidpointEur":826.48,"previousPeriodStart":"2026-09-16","currentObservationCount":18,"previousObservationCount":2,"differenceFromNationalEur":1.26},{"county":"Laois","litres":500,"sourceCount":9,"nationalRank":21,"currentMaxEur":871,"currentMinEur":799,"lastCheckedAt":"2026-09-29T05:11:34.153Z","currentPeriodEnd":"2026-09-29","percentageChange":-2.1,"absoluteChangeEur":-17.93,"previousPeriodEnd":"2026-09-22","currentMidpointEur":828.55,"currentPeriodStart":"2026-09-23","previousMidpointEur":846.48,"previousPeriodStart":"2026-09-16","currentObservationCount":47,"previousObservationCount":44,"differenceFromNationalEur":0.81},{"county":"Leitrim","litres":500,"sourceCount":4,"nationalRank":13,"currentMaxEur":829,"currentMinEur":825,"lastCheckedAt":"2026-09-29T03:21:46.490Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.9,"absoluteChangeEur":-7.25,"previousPeriodEnd":"2026-09-22","currentMidpointEur":827.5,"currentPeriodStart":"2026-09-23","previousMidpointEur":834.75,"previousPeriodStart":"2026-09-16","currentObservationCount":19,"previousObservationCount":22,"differenceFromNationalEur":-0.24},{"county":"Limerick","litres":500,"sourceCount":2,"nationalRank":18,"currentMaxEur":834,"currentMinEur":825,"lastCheckedAt":"2026-09-29T02:23:32.722Z","currentPeriodEnd":"2026-09-29","percentageChange":-2.3,"absoluteChangeEur":-19.24,"previousPeriodEnd":"2026-09-22","currentMidpointEur":828.25,"currentPeriodStart":"2026-09-23","previousMidpointEur":847.49,"previousPeriodStart":"2026-09-16","currentObservationCount":4,"previousObservationCount":10,"differenceFromNationalEur":0.51},{"county":"Longford","litres":500,"sourceCount":5,"nationalRank":15,"currentMaxEur":829,"currentMinEur":794,"lastCheckedAt":"2026-09-29T02:37:53.979Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.1,"absoluteChangeEur":-1.02,"previousPeriodEnd":"2026-09-22","currentMidpointEur":827.98,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":25,"previousObservationCount":23,"differenceFromNationalEur":0.24},{"county":"Louth","litres":500,"sourceCount":5,"nationalRank":1,"currentMaxEur":871,"currentMinEur":795,"lastCheckedAt":"2026-09-28T22:36:03.042Z","currentPeriodEnd":"2026-09-29","percentageChange":-4,"absoluteChangeEur":-33.5,"previousPeriodEnd":"2026-09-22","currentMidpointEur":795.5,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":19,"previousObservationCount":25,"differenceFromNationalEur":-32.24},{"county":"Mayo","litres":500,"sourceCount":6,"nationalRank":23,"currentMaxEur":835.98,"currentMinEur":819,"lastCheckedAt":"2026-09-29T04:38:04.043Z","currentPeriodEnd":"2026-09-29","percentageChange":0,"absoluteChangeEur":0,"previousPeriodEnd":"2026-09-22","currentMidpointEur":829,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":36,"previousObservationCount":36,"differenceFromNationalEur":1.26},{"county":"Meath","litres":500,"sourceCount":9,"nationalRank":5,"currentMaxEur":871,"currentMinEur":789,"lastCheckedAt":"2026-09-29T04:14:48.179Z","currentPeriodEnd":"2026-09-29","percentageChange":-1.6,"absoluteChangeEur":-13.51,"previousPeriodEnd":"2026-09-22","currentMidpointEur":821,"currentPeriodStart":"2026-09-23","previousMidpointEur":834.51,"previousPeriodStart":"2026-09-16","currentObservationCount":50,"previousObservationCount":50,"differenceFromNationalEur":-6.74},{"county":"Monaghan","litres":500,"sourceCount":6,"nationalRank":7,"currentMaxEur":830.25,"currentMinEur":795,"lastCheckedAt":"2026-09-29T04:15:12.762Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.7,"absoluteChangeEur":-6.1,"previousPeriodEnd":"2026-09-22","currentMidpointEur":822.9,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":33,"previousObservationCount":33,"differenceFromNationalEur":-4.84},{"county":"Offaly","litres":500,"sourceCount":9,"nationalRank":24,"currentMaxEur":871,"currentMinEur":813,"lastCheckedAt":"2026-09-29T03:40:35.197Z","currentPeriodEnd":"2026-09-29","percentageChange":-1.7,"absoluteChangeEur":-14.5,"previousPeriodEnd":"2026-09-22","currentMidpointEur":829,"currentPeriodStart":"2026-09-23","previousMidpointEur":843.5,"previousPeriodStart":"2026-09-16","currentObservationCount":44,"previousObservationCount":44,"differenceFromNationalEur":1.26},{"county":"Roscommon","litres":500,"sourceCount":7,"nationalRank":25,"currentMaxEur":871,"currentMinEur":799,"lastCheckedAt":"2026-09-29T01:25:34.192Z","currentPeriodEnd":"2026-09-29","percentageChange":0,"absoluteChangeEur":0,"previousPeriodEnd":"2026-09-22","currentMidpointEur":829,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":40,"previousObservationCount":43,"differenceFromNationalEur":1.26},{"county":"Sligo","litres":500,"sourceCount":4,"nationalRank":11,"currentMaxEur":829.97,"currentMinEur":821.97,"lastCheckedAt":"2026-09-29T05:20:07.854Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.7,"absoluteChangeEur":-5.51,"previousPeriodEnd":"2026-09-22","currentMidpointEur":826.99,"currentPeriodStart":"2026-09-23","previousMidpointEur":832.51,"previousPeriodStart":"2026-09-16","currentObservationCount":17,"previousObservationCount":18,"differenceFromNationalEur":-0.75},{"county":"Tipperary","litres":500,"sourceCount":5,"nationalRank":17,"currentMaxEur":835.98,"currentMinEur":819,"lastCheckedAt":"2026-09-29T03:26:48.520Z","currentPeriodEnd":"2026-09-29","percentageChange":-1.4,"absoluteChangeEur":-11.88,"previousPeriodEnd":"2026-09-22","currentMidpointEur":828.13,"currentPeriodStart":"2026-09-23","previousMidpointEur":840.01,"previousPeriodStart":"2026-09-16","currentObservationCount":23,"previousObservationCount":14,"differenceFromNationalEur":0.38},{"county":"Waterford","litres":500,"sourceCount":5,"nationalRank":16,"currentMaxEur":830,"currentMinEur":814.99,"lastCheckedAt":"2026-09-29T04:30:49.841Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.4,"absoluteChangeEur":-3.26,"previousPeriodEnd":"2026-09-22","currentMidpointEur":827.98,"currentPeriodStart":"2026-09-23","previousMidpointEur":831.25,"previousPeriodStart":"2026-09-16","currentObservationCount":22,"previousObservationCount":14,"differenceFromNationalEur":0.24},{"county":"Westmeath","litres":500,"sourceCount":10,"nationalRank":9,"currentMaxEur":871,"currentMinEur":788,"lastCheckedAt":"2026-09-29T03:50:17.855Z","currentPeriodEnd":"2026-09-29","percentageChange":-0.5,"absoluteChangeEur":-4.5,"previousPeriodEnd":"2026-09-22","currentMidpointEur":825,"currentPeriodStart":"2026-09-23","previousMidpointEur":829.5,"previousPeriodStart":"2026-09-16","currentObservationCount":42,"previousObservationCount":53,"differenceFromNationalEur":-2.74},{"county":"Wexford","litres":500,"sourceCount":5,"nationalRank":10,"currentMaxEur":837.97,"currentMinEur":810,"lastCheckedAt":"2026-09-29T05:21:13.168Z","currentPeriodEnd":"2026-09-29","percentageChange":0.1,"absoluteChangeEur":1.02,"previousPeriodEnd":"2026-09-22","currentMidpointEur":825,"currentPeriodStart":"2026-09-23","previousMidpointEur":823.98,"previousPeriodStart":"2026-09-16","currentObservationCount":31,"previousObservationCount":26,"differenceFromNationalEur":-2.74},{"county":"Wicklow","litres":500,"sourceCount":7,"nationalRank":2,"currentMaxEur":871,"currentMinEur":789,"lastCheckedAt":"2026-09-29T05:20:50.707Z","currentPeriodEnd":"2026-09-29","percentageChange":-3,"absoluteChangeEur":-25,"previousPeriodEnd":"2026-09-22","currentMidpointEur":804,"currentPeriodStart":"2026-09-23","previousMidpointEur":829,"previousPeriodStart":"2026-09-16","currentObservationCount":44,"previousObservationCount":35,"differenceFromNationalEur":-23.74}],"pressReady":true,"generatedAt":"2026-09-29T05:24:31.351Z","methodology":["A frozen issue is scheduled each Tuesday at 06:20 Europe/Dublin, with up to five minutes of randomized delay, using observations available at publication time; scheduler retries do not change it.","Only validated, publicly displayable kerosene observations at the stated delivery volume are included.","Each supplier source contributes at most its latest observation for a county and Irish calendar day.","For weekly comparisons, only counties with validated observations in both seven-day windows are used. Each county's weekly midpoint is the median of its daily midpoints, and each matched county has equal weight in the national midpoint.","The published Q1 and Q3 bounds are descriptive context from the daily county-weighted national record. They are the medians of the seven daily Q1 and Q3 values, not quartiles pooled across every underlying observation.","Weekly change compares the matched-county national midpoint with the preceding seven-day matched-county midpoint at the same delivery volume."],"releaseClass":"press_release","primaryVolume":500,"methodologyVersion":"tankful-weekly-observed-index-v1","newestObservationAt":"2026-09-29T05:22:29.813Z","pressReadinessReasons":[],"canonicalReconciliation":{"reason":"Canonical county averages are within the provisional reconciliation tolerance; canonical lowest prices remain a separate metric.","status":"aligned","snapshotId":"pub-20260929T052229Z-806fdb85","snapshotDate":"2026-09-29","toleranceEur":5,"differenceEur":3.67,"snapshotMedianEur":824.75,"snapshotCountyCount":25,"comparableCountyCount":22,"canonicalLowestMedianEur":810,"historicalDailyMidpointEur":825},"sourceMethodologyVersion":"tankful-observed-index-v1","release":{"revision":1,"sha256":"fc53a32705be6f41a9e54a7104a4acef211947fa03d60987a5f95750e264e4a9","publishedAt":"2026-09-29T05:24:31.351Z","correctionReason":null,"supersedesRevision":null}}