Methodology / Sources

Sources

Full citation block for Heavy Reading.

Every publisher, dataset, URL, publication date, vintage, and retrieval date behind the numbers on this site. Anything without a URL on record is labeled, never invented.

Sources
PublisherDatasetURLPublishedVintage / coverageRetrieved
Alberta Energy RegulatorST3: Alberta Energy Resource Industries Monthly Statisticshttps://www.aer.ca/data-and-performance/data-and-publications/statistical-reports/st3MonthlyActuals through 2026-07 (latest file vintage 2026-08-27)2026-09-22
Alberta Energy RegulatorST53: In-situ project data (BITUMEN sheet)https://www.aer.ca/data-and-performance/data-and-publications/statistical-reports/st53MonthlyActuals through 2026-072026-09-22
Alberta Energy RegulatorST39: Mine and upgrader facility dataURL not recorded in repoMonthlyActuals through 2026-052026-09-22
Canada Energy RegulatorPipeline throughput, capacity and apportionment (open data)https://www.cer-rec.gc.ca/open/energy/throughput-capacity/Monthly, ~3-month lagJan 2018 to Jun 20262026-09-22
Company disclosuresQuarterlies, budget releases, investor presentations, earnings callsURLs per record in annotations/maintenance_forward.yamlAs publishedForward maintenance calendar window 2026-10-01 to 2027-09-30, compiled 2026-09-222026-09-22
Heavy Reading modelWCSB S&D dashboard build (21 granular leaves, grade layer, maintenance math)No public URL (repo build)Per buildForecast built 2026-09-22; Aug-Sep 2026 nowcast built 2026-09-232026-09-23

Every number on this page traces to a row above. Anything missing its own source line is flagged in place; nothing ships with an unsourced number.

Heavy Reading · the WCSB supply letter.
Public information only: AER ST3/ST39/ST53 and company disclosures via the WCSB S&D model. Nothing here is licensed data, so this page renders the same with or without ?public=1.