NATIONAL GRID PLC

NGG - CIK 0001004315

Market cap$81.76 B

Rank#194

SEC filings1,000

NATIONAL GRID PLC has filed 1,000 documents with the SEC between 2002 and 2026. The most frequent type is 6-k (758 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.