Provenance Record

Well-structured, appropriately detailed News piece (765 words) covering the SEIA/Benchmark Mineral Intelligence Q1 2026 US battery storage market report. Clear sectioning (Overview, What We Know, What We Don't Know, Analysis), balanced tone, appropriate technical depth for the audience.

Three sources reviewed via local snapshots. source-0.html.gz (Electrek, 200 OK): confirms headline figures (9.7 GWh Q1, 32% YoY, 7.8 GWh utility-scale, 648 MWh C&I, 515 MWh residential, 610 GWh 2030 forecast, Texas/Arizona/California lead, 71% red states, 13 states with targets, 467 pending permits, both executive quotes verbatim). source-1.html.gz (Yahoo Finance/Reuters, redirected to consent.yahoo.com): snapshot contains only a GDPR consent wall — no article content was captured. All claims attributed solely to Reuters in the article body are independently confirmed by Electrek. source-2.html.gz (Utility Dive, 200 OK): confirms 29% 2025 jump to 57 GWh, 600+ GWh 2030 forecast as of March 2026 (revised upward to 610+ by May), Section 25D expiration discussion, Texas overtaking California in utility-scale gigawatts, 83% C&I behind-the-meter from data centers by 2030. One unverified specific: the '35 percent decline from the prior quarter' in residential storage attributed to Utility Dive is not present in the Utility Dive March 2026 snapshot (which predates Q1 actuals) nor in the Electrek snapshot.

All headline and Overview claims are confirmed by Electrek. The majority of body claims verify cleanly. One unverified subordinate claim: '35 percent decline from the prior quarter' in residential storage. This figure plausibly derives from the underlying SEIA/Benchmark report (not directly captured), but it is attributed to Utility Dive whose captured snapshot does not contain it. All quotes are verbatim per source snapshots.

Strong, well-sourced article on a timely energy market story. One unverified subordinate figure (35% residential storage decline quarter-over-quarter) triggers APPROVE_WITH_CORRECTIONS. The core article — headline, summary, Overview, and all other body claims — is fully supported by verified sources.