{"market_id":"isone","generated_at":"June 2026","schema_version":"1.0","claim_count":9,"claims":[{"claim_id":"pgiq:claim:isone:pgiq_tier:june-2026","claim_type":"opinion","status":"active","subject":{"market_id":"isone","geography_id":"pgiq:geo:isone"},"predicate":"pgiq_tier","value":{"base":3,"label":"Workable"},"unit":null,"definition":"PGIQ tier for siting a large new electricity load; a directional screen, not a connection guarantee","project_archetype":null,"as_of":"June 2026","valid_for":{"start":"June 2026","end":null},"method":"expert_judgment","method_source_label":null,"confidence":{"source_quality":"n/a (opinion)","coverage":"all rated markets","model_uncertainty":"n/a","opinion_confidence":"High"},"sources":[{"publisher":"PGIQ methodology","title":"PGIQ methodology","url":"https://powergridiq.com/methodology","published_at":null,"retrieved_at":"June 2026","locator":"tier definitions","quote_or_field":null,"license":"public source, cited under fair use","redistribution_rights":"link and quote with attribution; no bulk redistribution"}],"transform":null,"contradictions":[],"supersedes":null,"note":"Small, expensive and winter-gas-constrained, with an offshore-wind-heavy pipeline slow to land. 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The next auction is delayed to 2028, so this is the standing forward signal. TREND: Rising, up about 40% from the prior auction; the next auction is delayed to 2028","schema_version":"1.0","methodology_version":"pgiq-rating-v2","definition_version":"carbon_scope@1.0;connection_process@1.0;cost_archetype@1.0;evidence_tiers@1.0;reliability_layers@1.0","content_hash":"sha256:f120ee17db8e4e4fac88e756d8f8a69cf6e34ec142127b1bfc91322d71bfc8f1"},{"claim_id":"pgiq:claim:isone:delivery_reliability_saidi:june-2026","claim_type":"fact","status":"active","subject":{"market_id":"isone","geography_id":"pgiq:geo:isone"},"predicate":"delivery_reliability_saidi","value":{"base":112.25},"unit":"minutes per customer per year","definition":"regulator outage measure (SAIDI or stated equivalent) for the distribution network;","project_archetype":null,"as_of":"June 2026","valid_for":{"start":"June 2026","end":null},"method":"measured","method_source_label":null,"confidence":{"source_quality":"regulator filing","coverage":"year 2024","model_uncertainty":"n/a","opinion_confidence":"n/a"},"sources":[{"publisher":"EIA Form 861, Schedules 3B and 3C (annual electric power industry report) (two major-event methods, IEEE; respondent-defined, customer-weighted blend of 32 of 35 territories, 99% of customers, regional context only)","title":"EIA Form 861, Schedules 3B and 3C (annual electric power industry report) (two major-event methods, IEEE; respondent-defined, customer-weighted blend of 32 of 35 territories, 99% of customers, regional context only)","url":"https://www.eia.gov/electricity/data/eia861/","published_at":"2024","retrieved_at":"June 2026","locator":"reliability summary","quote_or_field":null,"license":"public source, cited under fair use","redistribution_rights":"link and quote with attribution; no bulk redistribution"}],"transform":null,"contradictions":[],"supersedes":null,"note":null,"schema_version":"1.0","methodology_version":"pgiq-rating-v2","definition_version":"carbon_scope@1.0;connection_process@1.0;cost_archetype@1.0;evidence_tiers@1.0;reliability_layers@1.0","content_hash":"sha256:483f1d282b6120d0a3afef43f483f6b80b40336efd20f97410b6ee8f88052128"},{"claim_id":"pgiq:claim:isone:forward_adequacy:june-2026","claim_type":"estimate","status":"active","subject":{"market_id":"isone","geography_id":"pgiq:geo:isone"},"predicate":"forward_adequacy","value":{"base":"elevated","label":"Tight"},"unit":null,"definition":"forward firm-supply adequacy for a prospective large new load; level vocabulary none|watch|elevated|severe","project_archetype":null,"as_of":"June 2026","valid_for":{"start":"June 2026","end":null},"method":"forward","method_source_label":"assessed","confidence":{"source_quality":"modelled read","coverage":"market-level","model_uncertainty":"not site-specific","opinion_confidence":"n/a"},"sources":[{"publisher":"NERC 2024 Long-Term Reliability Assessment","title":"NERC 2024 Long-Term Reliability Assessment","url":"https://www.nerc.com/globalassets/our-work/assessments/2024-ltra_corrected_july_2025.pdf","published_at":null,"retrieved_at":"June 2026","locator":"page","quote_or_field":null,"license":"public source, cited under fair use","redistribution_rights":"link and quote with attribution; no bulk redistribution"}],"transform":null,"contradictions":[],"supersedes":null,"note":"NERC's 2024 assessment rates New England elevated-risk: persistent winter natural-gas constraints plus electrification-driven demand growth could raise shortfall risk by 2026, and extreme cold could challenge reliability further.","schema_version":"1.0","methodology_version":"pgiq-rating-v2","definition_version":"carbon_scope@1.0;connection_process@1.0;cost_archetype@1.0;evidence_tiers@1.0;reliability_layers@1.0","content_hash":"sha256:936febb0121305e74e5a751952115ee124896c181198432be99136744dbfaed9"},{"claim_id":"pgiq:claim:isone:average_operational_carbon_intensity:june-2026","claim_type":"estimate","status":"active","subject":{"market_id":"isone","geography_id":"pgiq:geo:isone"},"predicate":"average_operational_carbon_intensity","value":{"base":260},"unit":"gCO2eq/kWh","definition":"Estimated average operational grid emissions intensity in gCO2e per kWh, for a declared geography, period and system boundary, using direct operational emission factors. The generation-versus-consumption basis, imports, delivery losses, temporal granularity, factor set, factor vintage and uncertainty are disclosed or marked unknown. Permitted for location-based grid comparison only. 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Not marginal, lifecycle or market-based Scope 2.","schema_version":"1.0","methodology_version":"pgiq-rating-v2","definition_version":"carbon_scope@1.0;connection_process@1.0;cost_archetype@1.0;evidence_tiers@1.0;reliability_layers@1.0","content_hash":"sha256:d91ae50d91d11501c23c375718d28efb1d9ee9cdd52b41c538473828fdfab3f5"},{"claim_id":"pgiq:claim:isone:regulatory_momentum:june-2026","claim_type":"opinion","status":"active","subject":{"market_id":"isone","geography_id":"pgiq:geo:isone"},"predicate":"regulatory_momentum","value":{"base":"mixed","direction":"stable"},"unit":null,"definition":"direction and steadiness of the rules governing large-load connection (stroke-of-pen risk)","project_archetype":null,"as_of":"June 2026","valid_for":{"start":"June 2026","end":null},"method":"expert_judgment","method_source_label":null,"confidence":{"source_quality":"cited dated developments","coverage":"market-level","model_uncertainty":"n/a","opinion_confidence":"High"},"sources":[{"publisher":"PGIQ methodology","title":"PGIQ methodology","url":"https://powergridiq.com/methodology","published_at":null,"retrieved_at":"June 2026","locator":"regulatory momentum","quote_or_field":null,"license":"public source, cited under fair use","redistribution_rights":"link and quote with attribution; no bulk redistribution"}],"transform":null,"contradictions":[],"supersedes":null,"note":"FERC's 18 June 2026 Section 206 show-cause order requires ISO-NE to justify or reform how large loads connect, in a capacity-constrained, high-cost system where new demand competes for tight winter adequacy. 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It means we have not assessed it."}