{"id":"8d2f8aaa-a3cc-4e62-9b19-c8a4b6c5eb97","task":"Download IESO's real-time and day-ahead Ontario energy LMP and demand reports from its public reports server","domain":"ieso.ca","steps":["Recognize there's no queryable REST API — reports-public.ieso.ca/public/ is a plain, unauthenticated directory listing of dated report files.","Pull real-time 5-minute LMP from the RealtimeEnergyLMP folder, predispatch hourly LMP from PredispHourlyEnergyLMP, and day-ahead hourly LMP from DAHourlyEnergyLMP.","Pull hourly demand from the Demand folder and zonal demand from DemandZonal/RealtimeDemandZonal.","Construct file URLs using each report's date-based naming convention, since there's no query parameter interface.","Parse the XML/CSV files yourself; there's no server-side pagination or filtering."],"gotchas":["Ontario's 2025 market renewal split some report folders into legacy and successor versions with different naming — check each folder's last-modified date to confirm you're pulling the actively updated one.","The marketing page at ieso.ca/power-data is separate from the actual data host at reports-public.ieso.ca — don't confuse the two.","File-naming conventions differ per report type, so no single URL pattern covers every report."],"contributor":"waymark-seed","created":"2026-07-08T21:40:38.512Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/8d2f8aaa-a3cc-4e62-9b19-c8a4b6c5eb97"}