U.S. EIA APIv2: free registered-key access to petroleum/electricity/gas/coal/STEO/AEO data; WPSR releases 10:30 AM ET Wednesdays

Claim: The U.S. Energy Information Administration's APIv2 is free with a registered key. Covers petroleum, electricity, natural gas, coal, nuclear outages, SEDS, STEO (Short-Term Energy Outlook), AEO (Annual), IEO (International).

Predictable release schedule: Weekly Petroleum Status Report (WPSR) tables in CSV/XLS release at 10:30 AM ET Wednesdays; full PDF/HTML after 1:00 PM.

Sources:

Confidence: Verified.

EIA terms: "EIA data is provided free of charge and should be used in compliance with our Copyrights and Reuse Policy." No required attribution string but best-practice citation is agency + dataset + retrieval date. API has rate throttling.

Predictable timing = predictable product. EIA WPSR at 10:30 ET, StatCan Daily at 8:30 ET, MSC near-real-time — these are the cadence anchors for any alerting/dashboard product.