Taiwan Power Company-Electricity Management Information-Major Operating Performance Indicators in the Past 10 Years

Major Operating Performance Indicators in the Past 10 Years
Item	Unit	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Installed Capacity (Self-owned)	MW	31,419	32,217	31,500	33,270	35,137	35,205	34,321	34,337	32,564	32,256
Power Generation (Self-owned)	GWh	169,061	174,043	180,488	182,662	180,443	183,873	189,136	188,255	174,454	172,095
Thermal Efficiency （LHV）	％	43.58	43.70	43.96	44.81	45.64	46.00	46.10	46.26	46.63	47.37
Line Loss Rate	％	3.72	3.85	3.82	3.94	3.86	3.97	3.53	3.82	3.20	2.93
System Average Interruption Duration Index¹	min/ household ‧yea	16.27	16.27	16.90 (32.57)	16.19	16.49	15.93	16.38 (43.52)	14.94 (91.29)	15.23	15.83
Power Sales per Employee	10 MWh	888	911	925	927	915	926	974	981	956	964
ROA²	％	3.15	1.96	1.12	1.49	0.85	1.13	1.03	-10.03	-8.08	-1.55

Note：

The data listed in upper column is for the regular operation, the one in lower column is for the major incidents.( In 2017 there was 815 power outage incident. In 2021 there were 513 & 517 power outage incidents. In 2022 there was 313 power outage incident.)
The 2024 figure is based on self-compiled final accounts, while figures of previous years are based on officially audited final accounts.