| Data | Ora | Fonte | Titolo | Simbolo | Compagnia |
| 08/07/2022 | 13:13 | Edgar (US Regulatory) | Notice of Termination of a Foreign Private Issuer's Registration of a Class of Securities Under Section 12(b) (15f-12b) | NYSE:HNP | Huaneng Power International Inc |
| 06/07/2022 | 12:05 | Edgar (US Regulatory) | Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k) | NYSE:HNP | Huaneng Power International Inc |
| 17/06/2022 | 12:24 | PR Newswire (US) | HUANENG POWER INTERNATIONAL, INC. Announcement of Intention to Delist American Depositary Shares from the New York Stock Exchange | NYSE:HNP | Huaneng Power International Inc |
| 26/04/2022 | 18:02 | PR Newswire (US) | HUANENG POWER INTERNATIONAL, INC. RMB956 MILLION NET LOSS ATTRIBUTABLE TO EQUITY HOLDERS FOR THE FIRST QUARTER OF 2022 DECREASED BY 129.96% | NYSE:HNP | Huaneng Power International Inc |
| 25/04/2022 | 12:28 | PR Newswire (US) | HUANENG POWER INTERNATIONAL, INC. ANNOUNCEMENT ON FILING OF FORM 20-F | NYSE:HNP | Huaneng Power International Inc |
| 14/04/2022 | 17:40 | PR Newswire (US) | HUANENG POWER INTERNATIONAL, INC. DOMESTIC ON-GRID ELECTRICITY IN THE FIRST QUARTER OF 2022 INCREASED BY 2. 42% YEAR-ON-YEAR | NYSE:HNP | Huaneng Power International Inc |
| 22/03/2022 | 18:06 | PR Newswire (US) | HUANENG POWER INTERNATIONAL, INC. NET LOSS ATTRIBUTABLE TO EQUITY HOLDERS OF THE COMPANY IN 2021 AMOUNTED TO RMB 10.636 BILLION YEAR-ON-YEAR DECREASE 547.27% | NYSE:HNP | Huaneng Power International Inc |
| 14/01/2022 | 15:43 | PR Newswire (US) | HUANENG POWER INTERNATIONAL, INC. DOMESTIC ELECTRICITY SOLD INCREASES BY 13.23% FOR THE YEAR OF 2021 | NYSE:HNP | Huaneng Power International Inc |
| 26/10/2021 | 15:41 | PR Newswire (US) | Huaneng Power International, Inc. RMB 0.783 Billion Net Profit Attributable to Shareholders for the Three Quarters of 2021 Decreased by 91.42% | NYSE:HNP | Huaneng Power International Inc |
| 18/10/2021 | 16:58 | PR Newswire (US) | Huaneng Power International, Inc. Domestic Electricity Sold in the First Three Quarters of 2021 Increased by 17.11% Year-on-Year | NYSE:HNP | Huaneng Power International Inc |
| 27/07/2021 | 15:48 | PR Newswire (US) | Huaneng Power International, Inc. Net Profit Attributable to Equity Holders for The First Half Year Of 2021 Decreased By 26.14% | NYSE:HNP | Huaneng Power International Inc |
| 13/07/2021 | 04:01 | PR Newswire (US) | Huaneng Power International, Inc. Domestic Electricity Sold in the First Half of 2021 Increased by 20.80% Year-on-year | NYSE:HNP | Huaneng Power International Inc |
| 27/04/2021 | 16:34 | PR Newswire (US) | Huaneng Power International, Inc. Announcement on Filing of Form 20-F | NYSE:HNP | Huaneng Power International Inc |
| 27/04/2021 | 16:31 | PR Newswire (US) | Huaneng Power International, Inc. RMB 3.127 Billion Net Profit Attributable to Equity Holders for the First Quarter of 2021 I... | NYSE:HNP | Huaneng Power International Inc |
| 20/04/2021 | 22:13 | Edgar (US Regulatory) | Annual and Transition Report (foreign Private Issuer) (20-f) | NYSE:HNP | Huaneng Power International Inc |
| 15/04/2021 | 16:00 | PR Newswire (US) | Huaneng Power International, Inc. Domestic Electricity Sold in the First Quarter of 2021 Increased by 30.20% Year-on-Year | NYSE:HNP | Huaneng Power International Inc |
| 23/03/2021 | 18:19 | PR Newswire (US) | Huaneng Power International, Inc. Net Profit Attributable To Equity Holders Of The Company In 2020 Amounted To Rmb 2.378 Bill... | NYSE:HNP | Huaneng Power International Inc |
| 15/01/2021 | 16:31 | PR Newswire (US) | HUANENG POWER INTERNATIONAL, INC. DOMESTIC POWER GENERATION DECREASED BY 0.24% FOR THE YEAR OF 2020 | NYSE:HNP | Huaneng Power International Inc |
| 27/10/2020 | 15:40 | PR Newswire (US) | Huaneng Power International, Inc.: RMB 9.133 Billion Net Profit Attributable to Shareholders for the Three Quarters of 2020 I... | NYSE:HNP | Huaneng Power International Inc |
| 19/10/2020 | 16:07 | PR Newswire (US) | Huaneng Power International, Inc.: Domestic Power Generation in the First Three Quarters of 2020 Decreased by 2.86% Year-On-Y... | NYSE:HNP | Huaneng Power International Inc |
| 11/09/2020 | 14:52 | Edgar (US Regulatory) | Report of Foreign Issuer (6-k) | NYSE:HNP | Huaneng Power International Inc |
| 18/08/2020 | 18:36 | PR Newswire (US) | Huaneng Power International, Inc. Net Profit Attributable to Equity Holders for The First Half Year Of 2020 Increased By 58.1... | NYSE:HNP | Huaneng Power International Inc |
| 15/07/2020 | 06:02 | PR Newswire (US) | Huaneng Power International, Inc.: Domestic Power Generation in the First Half of 2020 Decreased by 8.05% Year-on-Year | NYSE:HNP | Huaneng Power International Inc |
| 10/07/2020 | 16:40 | Edgar (US Regulatory) | Amended Statement of Ownership (sc 13g/a) | NYSE:HNP | Huaneng Power International Inc |
| 21/04/2020 | 17:17 | PR Newswire (US) | Huaneng Power International, Inc.: RMB 2.060 Billion Net Profit Attributable to Shareholders for the First Quarter of 2020 De... | NYSE:HNP | Huaneng Power International Inc |
| 15/04/2020 | 16:39 | PR Newswire (US) | Huaneng Power International, Inc. Domestic Power Generation in the First Quarter of 2020 Decreased by 18.45% Year-On-Year | NYSE:HNP | Huaneng Power International Inc |
| 01/04/2020 | 03:25 | PR Newswire (US) | Huaneng Power International, Inc.: RMB 766 Million Net Profit Attributable to Equity Holders for 2019, Increased by 4.34% Com... | NYSE:HNP | Huaneng Power International Inc |
| 15/01/2020 | 13:35 | PR Newswire (US) | Huaneng Power International, Inc. Power Generation Within China Decreases by 5.91% for the Whole Year of 2019 | NYSE:HNP | Huaneng Power International Inc |
| 22/10/2019 | 16:25 | PR Newswire (US) | Huaneng Power International, Inc.: rmb 5.389 Billion Net Profit Attributable To Shareholders, For The Three quarterS of 2019 ... | NYSE:HNP | Huaneng Power International Inc |
| 16/10/2019 | 12:42 | PR Newswire (US) | Huaneng Power International, Inc. Power Generation Within China Decreases by 7.52% for the First Three Quarters of 2019 | NYSE:HNP | Huaneng Power International Inc |