{"model":null,"photos":[],"thesis":"UMMs are the mandated disclosure vehicle for inside information under REMIT Article 4, and the gap between when an event becomes physically observable and when its UMM is published — the 'publication lag' — reveals the real-world effectiveness of the disclosure regime across Europe.","signals":[],"entities":[],"topic_id":"tb:methodology-what-is-an-umm","confidence":{"score":null,"claims_checked":0,"provenance_backed":0,"unsupported_count":0},"entity_ids":[],"agent_run_id":"d47365fb870948ccb08ae74852806fa6","attributions":[],"blog_post_id":"bp_what-is-a-umm-a-primer-on-urgent-market-messages-under-remit-2026-06-23-a5a983","causal_chain":["REMIT Article 4 requires market participants to disclose inside information (outages, unavailabilities, capacity changes) via UMMs published on ACER-approved Inside Information Platforms (IIPs)","Planned events (maintenance, refuelling) typically generate UMMs published days or weeks before the event start, producing a negative publication lag","Unplanned events (trips, forced outages) require UMMs published as soon as possible after the event; any gap between physical observability and publication is the surveillance-relevant 'publication lag'","Surveillance platforms cross-check UMM timing against independent sources — ENTSO-E transparency data and actual generation drops — to measure this lag operator-by-operator and country-by-country","The resulting latency league, covering 28 operators across 17 countries, shows a median lag near zero for most participants but outliers stretching to ~1,492 minutes (≈1 day) — revealing where the disclosure regime is most and least effective"],"generated_at":"2026-06-23T13:17:15.073353+00:00","published_at":null,"prompt_version":null,"schema_version":"1.0","citation_anchors":[],"publication_refs":[],"related_insight_ids":[]}