Resources

Plain-English guides to the FEOC and prohibited foreign entity rules, and how we research battery suppliers.

Free supplier snapshotName one supplier; get a short, sourced summary of what public records show. Supplier ToolkitFree tools: which suppliers to check first, certification gaps, and your cost ratio. FEOC and PFE rules, in plain EnglishWhat the rules ask of battery buyers, and where they stand now. Timeline of the rulesFrom the 2021 FEOC definition to the guidance still to come. FEOC buyer's quick guideThe rules, thresholds, dates and supplier questions on one printable page. How to read a company filingWhere owners, directors, debt and licenses show up in public filings. Tracing state-linked investorsHow government ownership hides behind funds and holding companies. Supplier questions checklistA printable list of what to ask a battery supplier. How supplier diligence works todayWho checks what in a deal, and where the gap is. GlossaryThe terms you'll hear in FEOC conversations, defined simply. FAQWhat we do, what we don't, and how a report works. Our methodHow a report is built, and how strong each finding is. Sample reportA preview of a real, anonymized report. InsightsShort pieces on the battery supply chain.