{"model":null,"photos":[],"thesis":"France's outage book dominates in absolute terms because its 63 GW nuclear fleet generates a large pool of planned summer maintenance events, but Sweden's smaller installed base absorbs a proportionally heavier load — making it the system to watch for supply tightness as refuelling season extends into late summer.","signals":[],"entities":[],"topic_id":"disc-outage-league-2026-06-23b","confidence":{"score":null,"claims_checked":0,"provenance_backed":0,"unsupported_count":0},"entity_ids":[],"agent_run_id":"c3cd2bfdac0b451c9ac6ab1eb1cce521","attributions":[],"blog_post_id":"bp_european-generation-outage-league-which-country-has-the-most-2026-06-23-f3adc1","causal_chain":["Summer nuclear refuelling season concentrates large-unit planned maintenance across France (multiple 1,200–1,500 MW units) and Sweden (1,121 MW and 1,065 MW units in extended outages)","France's 63 GW installed nuclear fleet generates the largest absolute pool: ~12,300 MW offline, 5.9× the peer median of 2,085 MW","When normalized by installed fleet capacity (MW per GW installed), the ranking reshuffles: Sweden jumps to #1 at 93.0 MW/GW, nudging Netherlands (80.3) and France (73.8) down from their absolute ranks","Sweden's density lead is driven by two large nuclear refuelling outages plus interconnector transmission events (2,600 MW Sweden–Finland border unavailability) — a combination that makes a small fleet's margin for error thin","The forward risk: if Sweden's late-June nuclear return dates slip or France's multi-month planned outages extend into autumn demand, two very different systems converge on the same tightness signal"],"generated_at":"2026-06-23T13:38:52.967398+00:00","published_at":null,"prompt_version":null,"schema_version":"1.0","citation_anchors":[],"publication_refs":[],"related_insight_ids":[]}