HNP [HUANENG POWER INTERNATIONAL] SC 13G/A: for a reporting person’s initial filing on this
[for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose ("Act") or otherwise subject to]