Current Rating
Rating FAQ
Long-term  :   NR
Short-term  :   --
Outlook  :  --
Issuer Rating History
Rating Date Long-term Rating outlook (credit watch) Short-term Rating
2024/06/27 NR -- --
2018/06/25 twAAA Stable twA-1+
2015/06/24 NR -- --
2015/03/24 twAAA Stable twA-1+
2013/06/18 twAAA Negative twA-1+
2009/06/30 twAAA Stable twA-1+
2007/01/02 NR -- --
2005/08/16 twAAA Negative twA-1
1998/10/14 twAAA Stable twA-1
Research Analysis
Publish Date Subject
2024/06/27 Media Release: Taiwan Power Co. Ratings Affirmed At 'twAAA/twA-1+'; Ratings Then Withdrawn At The Issuer's Request
2024/06/06 Media Release: Taiwan Power Co.'s Series 113-3 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2024/04/17 Media Release: Taiwan Power Co.'s Series 113-2 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2024/03/26 Bulletin: Tariff And Capital Boost Won't Trim Taiwan Power's Debt
2024/01/03 Media Release: Taiwan Power Co.'s Series 113-1 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2023/12/06 Media Release: Taiwan Power Co.'s Series 112-6 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2023/10/05 Media Release: Taiwan Power Co.'s Series 112-5 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2023/08/07 Media Release: Taiwan Power Co.'s Series 112-4 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2023/06/29 Research Update: Taiwan Power Co. Ratings Affirmed At 'twAAA/twA-1+'; Outlook Stable
2023/06/06 Media Release: Taiwan Power Co.'s Series 112-3 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2023/04/13 Media Release: Taiwan Power Co.'s Series 112-2 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2023/03/20 Bulletin: Taiwan Power's Capital Structure Will Deteriorate Further
2023/01/03 Media Release: Taiwan Power Co.'s Series 112-1 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2022/12/07 Media Release: Taiwan Power Co.'s Series 111-7 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2022/11/04 Media Release: Taiwan Power Co.'s Series 111-6 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2022/10/06 Media Release: Taiwan Power Co.'s Series 111-5 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2022/08/08 Media Release: Taiwan Power Co.'s Series 111-4Unsecured Common Corporate Bond Issue Rated 'twAAA'
2022/07/08 Media Release: Taiwan Power Co.'s Series 111-3 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2022/06/24 Media Release: Taiwan Power Co. 'twAAA/twA-1+' Ratings Affirmed; SACP Lowered On Weak Profitability And Rising Debt; Outlook Stable
2022/06/06 Media Release: Taiwan Power Co.'s Series 111-2 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2022/05/04 Media Release: Various Rating Actions On Taiwan Government-Related Entities Following S&P Global Ratings' Upgrade Of Taiwan
2022/04/18 Media Release: TaiwanPower Co.'s Series 111-1 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2021/12/06 Media Release: Taiwan Power Co.'s Series 110-4 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2021/11/05 Media Release: Taiwan Power Co.'s Series 110-3 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2021/06/21 Research Update: Taiwan Power Co. Ratings Affirmed At 'twAAA/twA-1+'; Outlook Stable
2021/06/04 Media Release: Taiwan Power Co.'s Series 110-2 Unsecured Common Corporate Bond Issue Rated 'twAAA'
2021/04/23 Media Release: Various Rating Actions On Taiwan Government-Related Entities Following S&P Global Ratings' Upgrade Of Taiwan
2021/04/12 Media Release: Taiwan Power Co.'s Series 110-1 Unsecured Common Corporate Bond Issue Rated 'twAAA'
Last 5 Years Issue Rating History
Series Amount
(Million)		 Issue Date Maturity Date
 Coupon Rate
(%)		 Rating Rating Date
112-3/C   0 -- -- -- NR  2024/06/27
112-3/D   0 -- -- -- NR  2024/06/27
112-4/A   0 -- -- -- NR  2024/06/27
112-4/B   0 -- -- -- NR  2024/06/27
112-4/C   0 -- -- -- NR  2024/06/27
112-4/D   0 -- -- -- NR  2024/06/27
112-5/A   0 -- -- -- NR  2024/06/27
112-5/B   0 -- -- -- NR  2024/06/27
112-5/C   0 -- -- -- NR  2024/06/27
112-6/A   0 -- -- -- NR  2024/06/27
112-6/B   0 -- -- -- NR  2024/06/27
112-6/C   0 -- -- -- NR  2024/06/27
113-1/A   0 -- -- -- NR  2024/06/27
113-1/B   0 -- -- -- NR  2024/06/27
113-2/A   0 -- -- -- NR  2024/06/27
113-2/B   0 -- -- -- NR  2024/06/27
113-2/C   0 -- -- -- NR  2024/06/27
113-3/A   0 -- -- -- NR  2024/06/27
113-3/B   0 -- -- -- NR  2024/06/27
113-3/C   0 -- -- -- NR  2024/06/27
111-4/C   0 -- -- -- NR  2024/06/27
111-4/D   0 -- -- -- NR  2024/06/27
111-5/A   0 -- -- -- NR  2024/06/27
111-5/B   0 -- -- -- NR  2024/06/27
111-5/C   0 -- -- -- NR  2024/06/27
111-6/A   0 -- -- -- NR  2024/06/27
111-6/B   0 -- -- -- NR  2024/06/27
111-6/C   0 -- -- -- NR  2024/06/27
111-7/A   0 -- -- -- NR  2024/06/27
111-7/B   0 -- -- -- NR  2024/06/27
111-7/C   0 -- -- -- NR  2024/06/27
112-1/A   0 -- -- -- NR  2024/06/27
112-1/B   0 -- -- -- NR  2024/06/27
112-1/C   0 -- -- -- NR  2024/06/27
112-1/D   0 -- -- -- NR  2024/06/27
112-2/A   0 -- -- -- NR  2024/06/27
112-2/B   0 -- -- -- NR  2024/06/27
112-2/C   0 -- -- -- NR  2024/06/27
112-2/D   0 -- -- -- NR  2024/06/27
112-3/A   0 -- -- -- NR  2024/06/27
112-3/B   0 -- -- -- NR  2024/06/27
111-3/C   0 -- -- -- NR  2024/06/27
111-3/D   0 -- -- -- NR  2024/06/27
111-4/A   0 -- -- -- NR  2024/06/27
111-4/B   0 -- -- -- NR  2024/06/27
107-1/D   0 -- -- -- NR  2024/06/27
107-3/B   0 -- -- -- NR  2024/06/27
107-3/C   0 -- -- -- NR  2024/06/27
107-4/B   0 -- -- -- NR  2024/06/27
107-4/C   0 -- -- -- NR  2024/06/27
108-1/B   0 -- -- -- NR  2024/06/27
108-1/C   0 -- -- -- NR  2024/06/27
108-2/A   0 -- -- -- NR  2024/06/27
108-2/B   0 -- -- -- NR  2024/06/27
108-2/C   0 -- -- -- NR  2024/06/27
108-3/A   0 -- -- -- NR  2024/06/27
108-3/B   0 -- -- -- NR  2024/06/27
108-3/C   0 -- -- -- NR  2024/06/27
108-4/A   0 -- -- -- NR  2024/06/27
108-4/B   0 -- -- -- NR  2024/06/27
108-4/C   0 -- -- -- NR  2024/06/27
109-1/A   0 -- -- -- NR  2024/06/27
109-1/B   0 -- -- -- NR  2024/06/27
109-1/C   0 -- -- -- NR  2024/06/27
109-2/A   0 -- -- -- NR  2024/06/27
109-2/B   0 -- -- -- NR  2024/06/27
109-2/C   0 -- -- -- NR  2024/06/27
109-2/D   0 -- -- -- NR  2024/06/27
109-3/A   0 -- -- -- NR  2024/06/27
109-3/B   0 -- -- -- NR  2024/06/27
109-3/C   0 -- -- -- NR  2024/06/27
109-4/A   0 -- -- -- NR  2024/06/27
109-4/B   0 -- -- -- NR  2024/06/27
109-4/C   0 -- -- -- NR  2024/06/27
109-5/A   0 -- -- -- NR  2024/06/27
109-5/B   0 -- -- -- NR  2024/06/27
109-5/C   0 -- -- -- NR  2024/06/27
110-1/A   0 -- -- -- NR  2024/06/27
110-1/B   0 -- -- -- NR  2024/06/27
110-1/C   0 -- -- -- NR  2024/06/27
110-2/A   0 -- -- -- NR  2024/06/27
110-2/B   0 -- -- -- NR  2024/06/27
110-2/C   0 -- -- -- NR  2024/06/27
110-3/A   0 -- -- -- NR  2024/06/27
110-3/B   0 -- -- -- NR  2024/06/27
110-3/C   0 -- -- -- NR  2024/06/27
110-4/A   0 -- -- -- NR  2024/06/27
110-4/B   0 -- -- -- NR  2024/06/27
110-4/C   0 -- -- -- NR  2024/06/27
111-1/A   0 -- -- -- NR  2024/06/27
111-1/B   0 -- -- -- NR  2024/06/27
111-1/C   0 -- -- -- NR  2024/06/27
111-2/A   0 -- -- -- NR  2024/06/27
111-2/B   0 -- -- -- NR  2024/06/27
111-2/C   0 -- -- -- NR  2024/06/27
111-3/A   0 -- -- -- NR  2024/06/27
111-3/B   0 -- -- -- NR  2024/06/27
103-4/D   0 -- -- -- NR  2024/06/27
103-5/D   0 -- -- -- NR  2024/06/27
104-2/C   0 -- -- -- NR  2024/06/27
104-3/C   0 -- -- -- NR  2024/06/27
106-1/C   0 -- -- -- NR  2024/06/27
106-3/B   0 -- -- -- NR  2024/06/27
106-3/C   0 -- -- -- NR  2024/06/27
106-4/B   0 -- -- -- NR  2024/06/27
106-4/C   0 -- -- -- NR  2024/06/27
107-1/C   0 -- -- -- NR  2024/06/27
103-3/B   0 -- -- -- NR  2024/06/27
103-2/D   0 -- -- -- NR  2024/05/28
106-1-/B   0 -- -- -- NR  2024/04/25
108-1-/A   0 -- -- -- NR  2024/04/25
103-1/D   0 -- -- -- NR  2024/03/17
102-6/D   0 -- -- -- NR  2023/12/30
102-5/C   0 -- -- -- NR  2023/11/22
107-4-/A   0 -- -- -- NR  2023/11/15
107-3-/A   0 -- -- -- NR  2023/08/15
102-3/B   0 -- -- -- NR  2023/07/23
107-1-/B   0 -- -- -- NR  2023/05/16
102-1/C   0 -- -- -- NR  2023/05/03
101-6/   0 -- -- -- NR  2022/12/26
106-4-/A   0 -- -- -- NR  2022/12/15
101-5/B   0 -- -- -- NR  2022/11/30
101-4/B   0 -- -- -- NR  2022/10/31
104-3-/B   0 -- -- -- NR  2022/09/15
101-3/B   0 -- -- -- NR  2022/08/15
106-3-/A   0 -- -- -- NR  2022/07/10
101-2/C   0 -- -- -- NR  2022/06/15
104-2/B   0 -- -- -- NR  2022/05/18
101-1/C   0 -- -- -- NR  2022/04/24
106-1-/A   0 -- -- -- NR  2022/04/21
104-1/B   0 -- -- -- NR  2022/03/30
100-6/C   0 -- -- -- NR  2021/12/21
95-4/Tranche 4   0 -- -- -- NR  2021/12/20
103-5/C   0 -- -- -- NR  2021/12/17
100-5/C   0 -- -- -- NR  2021/11/22
100-4/B   0 -- -- -- NR  2021/10/20
103-4/C   0 -- -- -- NR  2021/10/16
95-2/Tranche 4   0 -- -- -- NR  2021/08/15
100-3/B   0 -- -- -- NR  2021/07/21
100-2/C   0 -- -- -- NR  2021/06/28
103-2/C   0 -- -- -- NR  2021/05/30
107-1-/A   0 -- -- -- NR  2021/05/14
100-1/B   0 -- -- -- NR  2021/04/22
103-1/C   0 -- -- -- NR  2021/03/17
102-6/C   0 -- -- -- NR  2020/12/30
99-6/B   0 -- -- -- NR  2020/12/15
*Taiwan Ratings maintains continuous surveillance over its ratings and the “Rating date” below refers to the last date on which the ratings/outlook have been changed or the ratings on/off CreditWatch.
*Unless there is a material change in our rating views on a given entity, Taiwan Ratings does not update the “Rating date,” which is accordance with the general international practice for rating disclosures.