Power Generation Stability & Capability
Why is this Important?
Efficient power generation is a critical driver of EGCO Group’s costs, revenues, and reliability. Without effective management, the company faces rising operational costs, unplanned outages, and risks to revenue stability. Enhancing operations through excellence programs and digital innovation improves asset utilization, reduces unplanned downtime, and reinforces reliability, directly supporting stakeholder confidence. These improvements mitigate financial and operational risks while sustaining long-term competitiveness in the evolving energy landscape.
EGCO Group aims to enhance power generation excellence by maintaining high plant availability, minimizing risks of unplanned outages, and improving efficiency through scheduled maintenance, preventive inspections, and continuous performance monitoring. The company integrates digital technologies and artificial intelligence to support predictive maintenance and technical problem-solving, while shifting project management systems to cloud platforms for faster and more accurate operations. These initiatives strengthen reliability, reduce operating costs, and build stakeholder confidence, ensuring long-term operational excellence and sustainable growth.
Sustainability Material Topic: Power Generation
Stakeholder Impact on Material Topics
Employees
Shareholders
Government agencies/regulators
Creditors
Investors
Suppliers and Business Partners
Customers
Media
Society
Contractors/Subcontractors
Management Approach
Availability and Reliability Target
-
2027 Target: Plant availability
Natural gas power plant:
90%
-
Coal-fired power plant:
85%
-
2027 Target: Plant Heat Rate
Natural gas power plant:
7,361 BTU/kWh
-
Coal-fired power plant:
9,397 BTU/kWh
-
No Coal Policy reflects EGCO Group's intention to refrain from further investments in coal-fired power plants
-
2030 Target: Increase the renewable energy portion of the total generating capacity by 30%
-
Plant Availability
Natural gas power plant:
91.84%
-
Coal-fired power plant:
89.44%
-
Plant Heat Rate
Natural gas power plant:
6,998 BTU/kWh
-
Coal-fired power plant:
9,553 BTU/kWh
-
No further investments in coal-fired power plants (No Coal Policy)
-
Plant Availability
Natural gas power plant:
92.98%
-
Coal-fired power plant:
91.98%
-
Plant Heat Rate
Natural gas power plant:
7,443 BTU/kWh
-
Coal-fired power plant:
9,321 BTU/kWh
-
No further investments in coal-fired power plants (No Coal Policy)
* Performance includes EGCO Group’s subsidiaries and overseas joint ventures
Excellence Generation, Reliability and Availability
EGCO Group aims to enhance its electricity generation capacity to become a power producer of excellence by seeking new efficient and environmentally friendly technology for its production process, for example, adopting technology solution TOMONI™ at Khanom Power Plant that enhances the efficiency and effectiveness of the power plant by increasing the temperature of exhausts from gas turbine, reducing energy consumption, and speeding up the response for any problem, thus increasing machine reliability and avoiding unplanned shutdown. In addition, EGCO Group has monitored the efficiency of machinery operations at each power plant constantly to maintain production efficiency of the plants and has set availability control value as a key performance indicator (KPI) of power plants, which is also used to evaluate the performance of staff at the power plants.
2025 Electricity Generation Mix
Total Operating Gross Generation by Equity (GWh)
Subsidiaries and Overseas Joint Ventures Equity Gross Generation (GWh)
Remark:
1. The power plants that have been operating for less than a year are not included in this scope
2. In 2025, direct GHG emission (Scope 1) is 5,298,925 Metric tonnes CO2 equivalent.
3. Energy purchased from third parties and sold during the last reporting year is as follows:
3.1 Non-renewable energy sources: 4 GWh
3.2 Renewable energy sources: 0 GWh
Electricity generation mix for renewable energy consists of:
| Wind | 3,536 GWh | 11.21792% |
| Hydroelectric | 3,704 GWh | 11.7509% |
| Solar | 1,185 GWh | 3.7594% |
| Others i.e. Fuel Cell and Battery Storage | 101 GWh | 0.32042% |
| Total | 8,526 GWh | 27.04863% |
2025 Electricity Capacity Mix and 2030 Target Capacity
Total Operating Capacity by Equity (MWe)
Subsidiaries and Overseas Joint Ventures Equity Capacity (MWe)
Remark: The power plants that have been operated for less than a year are not included in this scope.
Electricity capacity mix for renewable energy can be broken consists of:
| Fuel Type | 2025 Electricity Capacity Mix | 2025 Share of Capacity | 2030 Target Capacity | 2030 Share of Target Capacity |
|---|---|---|---|---|
| Natural Gas | 3,124 MWe | 50.36273% | 6,559 MWe | 59.13271% |
| Coal | 683 MWe | 11.0108% | 623 MWe | 5.61666% |
| Wind | 866 MWe | 13.96099% | 1,572 MWe | 14.17238% |
| Hydroelectric | 696 MWe | 11.22038% | 696 MWe | 6.27479% |
| Solar | 684 MWe | 11.02692% | 1,608 MWe | 14.49693% |
| Others i.e. Fuel Cell and Battery Storage | 150 MWe | 2.41818% | 34 MWe | 0.30653% |
| Total | 6,203 MWe | 100% | 11,092 MWe | 100% |
| • Total non-RE installed capacity | 3,807 MWe | 61.37353% | 7,182 MWe | 64.74937% |
| • Total RE installed capacity | 2,396 MWe | 38.62647% | 3,910 MWe | 35.25063% |
Electricity Transmission and Distribution
EGCO Group has started commercial operations at the EGCO Cogeneration Replacement Power Plant. With a total capacity of 74 MW, the plant has a Power Purchase Agreement (PPA) with the Electricity Generating Authority of Thailand (EGAT) to supply 28 MW to EGAT as the primary customer. The remaining electricity and steam produced will be sold to industrial customers in the Rayong Industrial Estate and nearby areas.
Related Documents
Performance Data
Updated as of May 2026
The information reported above was prepared in accordance with the Global Reporting Initiative Standards (GRI Standards). It has been audited by an external party and has received limited assurance through the 2025 Annual Report.