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6-K

Foreign Interim / Material

HUANENG POWER INTERNATIONAL, INC.

0001104659-22-076993

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Filed
Jul 5, 2022 12:00 AM ET
Period of report

On SEC.gov

Financials in this filing

Structured financials aren't available for this filing — it may be an event-driven form (8-K/6-K), pre-date XBRL (~2009), or report only narrative content. Use the SEC.gov links above to read it.