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Project Description
Background
In line with the government's energy policy and in response to the long-term growth in electricity demand, considering the retirement of existing units and the need to balance power development with environmental protection, Taipower is actively enhancing the overall operational performance and competitiveness of its power plants. Therefore, Taipower will increase the planning of natural gas power plants and, according to the latest long-term power development plan, promote the “Tung-Hsiao Power Plant 2nd Stage Renewal Project” (hereinafter referred to as “the Project”).
The Project will utilize approximately 10 hectares of land, including the vacant space left by the decommissioning of Units 4 and 5 at the Tung-Hsiao Power Plant and other remaining areas within the plant site. It plans to install gas-fired combined cycle units with a total net output of 270 to 330 MW, which is expected to promptly fill the future power supply gap.
Project Location and Scope
The Project will use the vacant land freed from the demolition of Units 4 and 5 at the Tung-Hsiao Power Plant site, along with remaining available plant space, to install five gas-fired combined cycle units.
(New Design) Units Specification:
| Item | Parameters |
|---|---|
| Unit Number | 5 |
| Unit Capacity | 2833 MW in Total; 566.6 MW each unit |
| Unit Type | 1on1 Single-shaft Combined Cycle Unit |
| Thermal Efficiency | 61.51% (LHV,Net) |
| Net Combustion | 5,852 kJ / kWh (LHV,Net) |
| Gas turbine | In-door type/ Heavy Duty for power generation/3,600 rpm |
| Steam Turbine | In-door type /3,600 rpm |
| Heat Recovery Steam Generator (HRSG) | In-door type / Triple-pressure reheating |
| Generator | Air-Cooling / Three-phase Synchronous Machines / 3600 rpm |
| Main Transformer | Outdoor, Oil immersion Type |
Progress Status
Project Progress
| Schedule | Actual | Difference |
|---|---|---|
| 32.94 | 32.94 | 0 |
| Unit 4, 5 | Unit 6, 7 | Unit 8 |
|---|---|---|
| 2030/03/31 | 2030/11/30 | 2031/02/28 |
The Project schedule amendment was officially approved by the Executive Yuan on Apr 2,2025.
Construction Status：
Power Block: The Bid for Power Block has been awarded on 2025/8/27, the winning tender is MPW (Mitsubishi Power Inc)/CTCI consortium team. The planning and design work is currently in progress.
Environmental Protection Planning
Related environmental protection actions can be referred to Taiwan Power Company Website and follow the following route: Information Disclose > Power Generation Information > Thermal Power Status and Performance > Environmental Protection Measures
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Install selective catalytic reduction system(SCR) to reduce air pollutant emission. (The emission concentration of other power plant can be referenced)
Pollutant Emission Concentration NOx ≧70% load: 5 ppm;
Annual average: 4 ppm.