Financial reports
20-F
2021 FY
Annual report (foreign)
21 Apr 22
20-F
2020 FY
Annual report (foreign)
20 Apr 21
20-F
2019 FY
Annual report (foreign)
20 Apr 20
20-F
2018 FY
Annual report (foreign)
16 Apr 19
20-F
2017 FY
Annual report (foreign)
12 Apr 18
20-F
2016 FY
Annual report (foreign)
17 Apr 17
20-F
2015 FY
Annual report (foreign)
15 Apr 16
20-F/A
2014 FY
Annual report (foreign) (amended)
22 Apr 15
20-F
2014 FY
Annual report (foreign)
16 Apr 15
20-F
2013 FY
Annual report (foreign)
15 Apr 14
Current reports
6-K
Current report (foreign)
8 Jul 22
6-K
Current report (foreign)
6 Jul 22
6-K
Current report (foreign)
5 Jul 22
6-K
Current report (foreign)
30 Jun 22
6-K
Current report (foreign)
28 Jun 22
6-K
Current report (foreign)
21 Jun 22
6-K
Current report (foreign)
6 Jun 22
6-K
Current report (foreign)
16 May 22
6-K
Current report (foreign)
6 May 22
6-K
Current report (foreign)
28 Apr 22
Proxies
No filings
Other
UPLOAD
Letter from SEC
16 Oct 12
CORRESP
Correspondence with SEC
26 Sep 12
UPLOAD
Letter from SEC
13 Sep 12
UPLOAD
Letter from SEC
18 Nov 11
CORRESP
Correspondence with SEC
28 Oct 11
CORRESP
Correspondence with SEC
12 Oct 11
UPLOAD
Letter from SEC
30 Sep 11
CORRESP
Correspondence with SEC
28 Sep 11
UPLOAD
Letter from SEC
15 Sep 11
UPLOAD
Letter from SEC
6 Jan 11
Ownership
SC 13G/A
BlackRock Inc.
10 Jul 20
SC 13D
China Huaneng Group Treasury Management (Hong Kong) Ltd
3 Jun 20
SC 13G/A
Beneficial ownership report (amended)
5 Feb 20
SC 13G/A
Beneficial ownership report (amended)
4 Feb 19
SC 13G/A
Huaneng Power International Inc
7 Jun 18
SC 13G/A
Beneficial ownership report (amended)
30 Jan 18
SC 13G/A
Huaneng Power International Inc
22 Jan 18
SC 13G/A
Beneficial ownership report (amended)
9 May 17
SC 13G
Beneficial ownership report
26 Jan 17
SC 13G/A
Beneficial ownership report (amended)
24 Jan 17