Energy Management and Climate Change
Impact on Business (GRI3-3, 201-2)
CKPower has integrated energy management and climate change into its corporate strategy under the concept of “Transition to Lasting Impact.” The Company aims to transition from conventional power generation to renewable energy systems that deliver sustained positive impacts on the economy, society, and the environment. In line with this commitment, CKPower has established a strategy to achieve Net Zero Greenhouse Gas Emissions by 2050 to support the long-term energy transition and respond to the expectations of regulators, investors, and other stakeholders.
The Company’s approach encompasses increasing the proportion of electricity generated from renewable energy sources such as hydropower and solar power, supporting the use of Renewable Energy Certificates (RECs) to verify clean energy consumption and reduce carbon dioxide (CO₂) emissions, and exploring the application of Battery Energy Storage Systems (BESS) and hydrogen technology to enhance grid stability, improve the reliability and continuity of access to clean energy, and reduce long-term dependence on fossil fuels.
In addition, the Company continuously monitors, measures, and improves energy efficiency across all operational processes, while strengthening collaboration with business partners throughout the value chain and working closely with regulatory authorities. These efforts support the transition to renewable energy that minimizes environmental impacts , and creates sustainable shared value for all stakeholder groups.
Challenges and Opportunities (GRI3-3, 201-2)
The transition toward a sustainable energy system presents both strategic challenges and opportunities for the energy sector. Amid the widespread impacts of climate change on the economy, society, and the environment, CKPower recognizes the critical role of the energy sector in reducing greenhouse gas emissions and supporting the growth of clean energy systems. The Company therefore strives to increase the proportion of electricity generated from renewable energy sources to meet the continuously growing demand for clean electricity. This transition presents business opportunities while also posing challenges in managing environmental impacts, community relations, stakeholder expectations, and human rights issues.
From a financial perspective, CKPower enhances access to green financing through instruments aligned with Green Finance principles, such as the issuance of Green Bonds and the use of Renewable Energy Certificates (RECs) to support clean energy operations. CKPower is also preparing for regulatory developments, particularly the Climate Change Act, which is expected to take effect in 2026.
The Act will cover greenhouse gas emissions reporting, the establishment of carbon pricing mechanisms such as a carbon tax and an Emissions Trading System (ETS). It will also include the development of the Thailand Taxonomy, which will play a key role in clarifying the classification of green activities and facilitating more effective access to green finance.
Within this context, CKPower places strong emphasis on systematic Energy Risk Management and climate-related risk management. This includes enhancing energy efficiency, optimizing resource utilization, and assessing risks that may affect operations and business stability. These efforts aim to balance sustainability objectives, business growth, and long-term stakeholder expectations.
Commitment (GRI3-3, 201-2)
CKPower is committed to achieving Net Zero Greenhouse Gas Emissions by 2050 and has set a target to increase the proportion of electricity generated from renewable energy sources, such as hydropower and solar power, to more than 95% by 2043, supporting the long-term transition to a low-carbon energy system.
CKPower also promotes the development and application of innovation and technology to reduce energy consumption, enhance power generation efficiency, and support optimal resource utilization, while fostering awareness of energy conservation throughout the value chain.
CKPower’s business operations are guided by the United Nations Sustainable Development Goals (SDGs), particularly SDG 7 (Affordable and Clean Energy) and SDG 13 (Climate Action). These goals serve as a framework for setting a clear and action-oriented strategic direction. The Company also demonstrates its commitment to transparency through sustainability disclosures under the Sustainability Disclosure Community (SDC) of Thaipat Institute, while aligning its operations with internationally recognized sustainability standards.
In addition, CKPower remains an active member of the Thai Renewable Energy Association (RE100), supporting the acceleration of the transition to clean energy and contributing to global efforts to limit the global temperature increase to 1.5 °C.
The Company also integrates climate-related criteria aligned with the Paris Agreement into its renewable energy investment decision-making processes and implements its Net-Zero Roadmap to systematically and concretely reduce dependence on fossil fuels.
Operational Guidelines (GRI3-3, 201-2)
1) Policies
2) Strategies and Strategic Plans
Energy Management and Climate Change Strategies
CKPower strives to become one of the region’s largest producers of electricity from renewables with one of the lowest carbon footprints. Currently, CKPower’s total renewable energy capacity accounts for 93% of its total installed capacity, with a target to expand the proportion to exceed 95% by 2043 as well as to become a 100% renewable electricity organization (RE100 Thailand) within the same year.
To support these goals, CKPower has developed the Energy Management and Climate Change Roadmap, which is aligned with international standards, such as:
- Task Force on Climate-Related Financial Disclosures (TCFD)
- IFRS S1 General Requirements for Disclosure of Sustainability-related Financial Information
- IFRS S2 Climate-related Disclosures
CKPower has conducted climate change risk and opportunity assessments to strategize and establish plans focused on achieving net-zero greenhouse gas emissions efficiently, with emphasis on five key strategies:
- Reduce energy consumption to decrease GHG emissions
- Improve energy efficiency in electricity generation
- Increase renewables capacity
- Increase renewable energy consumption
- Expand business opportunities for green investments
These strategies encompass short-term, medium-term, and long-term planning to achieve Net-Zero greenhouse gas emissions, supported by effective governance and sustainable operations.
Energy Management and Climate Change Strategies |
||||||
|---|---|---|---|---|---|---|
| Strategies | Short-term Plans | Medium-term (5-year) Plans | Long-term Plans | |||
|
REDUCE
Reduce GHG Emissions
|
Developing a database on the organization’s energy consumption and GHG emissions.
|
Conducting annual climate-related risk and opportunity assessments
|
Developing climate change strategies.
|
Conducting annual climate-related risk and opportunity assessments.
|
Reducing GHG emissions by 45% by 2040.
|
Striving towards Net Zero GHG emissions by 2050.
|
|
IMPROVE
Improve Energy Efficiency
|
Implementing measures and increasing investments in decarbonization & contributing to GHG reduction projects.
|
Continuously optimizing energy efficiency
|
Conducting energy conservation and energy cost saving projects.
|
|||
|
IMPROVE
Increase Total Installed Capacity from Renewable Energy
|
93% of total installed capacity from renewable energy
|
Expanding of total installed capacity from renewable energy
|
93% of total installed capacity from renewable energy
|
|||
|
IMPROVE
Shift to Renewable Energy Consumption
|
100% Renewable electricity consumption within organization including the use of Renewable Energy Certificates (RECs).
|
Offsetting residual GHG emissions and increasing GHG removals.
|
||||
|
IMPROVE
Monetize Renewable Assets
|
Issuing green bonds.
|
Preparing for the implementation of Internal Carbon Pricing
|
Diversifying into new businesses that leverage advanced renewable energy technologies
|
|||
Strategic Plans
Energy Management and Climate Change Strategies
CKPower has formed an Energy Management and Climate Change Committee, operating under the Corporate Governance, Risk Management, and Sustainable Development Committee and guided by the Sustainable Development Steering Committee. This committee sets strategic directions and goals in alignment with sustainability and climate change policies and operational frameworks, ensuring compliance with international standards and trends.
To ensure robust governance and execution, this committee oversees the implementation of energy and climate change strategies, working closely with teams from all power plants. CKPower has defined roles, responsibilities, performance indicators, and remuneration for managing plant operations. These executives are accountable for overseeing sustainability and climate change initiatives, ensuring they align with the Company’s goals. These executives collaborate with the Sustainability Supporting and Disclosure Working Team to provide quarterly performance reports to the Board of Directors.
To further bolster its operations in sustainability and climate change, CKPower has established energy conservation and climate change policies and set organizational targets for reducing energy usage and greenhouse gas emissions across both office and production processes. Employees are also encouraged to develop innovative solutions for reducing energy consumption, improving electricity generation efficiency, and lowering GHG emissions, with the goal of enhancing awareness about energy conservation and climate change within all company units, thereby driving the achievement of the net-zero emissions goal.
Climate Risk Management
CKPower proactively assesses climate-related risks and opportunities across its operations in Thailand and Lao PDR. These assessments categorize risks into short-, medium-, and long-term timeframes, ensuring effective risk prioritization and mitigation planning. The results of these assessments are integrated into CKPower’s enterprise risk management framework for systematic and efficient management.
CKPower has adopted the Task Force on Climate-related Financial Disclosures (TCFD) framework, the IFRS S1 General Requirements for Disclosure of Sustainability-related Financial Information, and the IFRS S2 Climate-related Disclosures Standard in its assessments and in establishing clear management approaches to ensure CKPower’s adaptability and growth amid climate change challenges.
Green Financing Activities in 2025
Renewable Energy Certificate (RECs)
CKPower expands green investment opportunities and generates additional revenue through the issuance and sale of Renewable Energy Certificates (RECs). REC issuance is registered with relevant authorities in accordance with established criteria to ensure that electricity generated from renewable energy sources is verified, transparent, and traceable.
Following issuance, the Company may sell RECs to corporate customers seeking to reduce their Scope 2 greenhouse gas emissions from electricity consumption. This supports corporate climate action efforts while promoting the development of the domestic clean energy market.
These initiatives not only support buyers in achieving their greenhouse gas reduction targets but also reflect CKPower’s commitment to environmental stewardship, enhance its sustainability profile, and create new business opportunities that advance the transition to clean energy at both the organizational and national levels.
Green Bond
In 2025, the Company issued Green Bonds totaling THB 9,000 million, comprising THB 5,000 million issued by CKPower and THB 4,000 million issued by Xayaburi Power Company Limited. The issuance serves as a strategic instrument to support investments in clean energy and to manage climate change-related risks.
The proceeds will be allocated to renewable energy projects and activities that directly reduce greenhouse gas emissions, reflecting the integration of climate considerations into the Company’s financial decision-making and capital allocation.
The Green Bond issuance aligns with the Company’s environmental, social, and sustainability management approach in accordance with FTSE Russell ESG principles and the concept of Climate Risk Integration. It supports the transition to a low-carbon economy and the systematic, long-term implementation of the Company’s Net Zero greenhouse gas emissions target.
CKPower continues to expand green investment opportunities while generating additional revenue through the sale of Renewable Energy Certificates (RECs). Following registration with relevant agencies to issue RECs, CKPower has been exploring the market and selling these certificates to companies seeking to offset their Scope 2 emissions.
The program not only supports partners’ climate change mitigation efforts but also reinforces CKPower’s environmental initiatives, enhances its image as a sustainability-focused organization, and creates new business opportunities in support of sustainability goals at both corporate and national levels.
Long-term targets, 2025 targets, and 2025 achievements
(GRI3-3, 302-1, 302-3, 302-4, 302-5, 305-1, 305-2 303-3, 305-4, 303-5)
| Energy Management and Climate Change | |||||||
|---|---|---|---|---|---|---|---|
| Topic | Long-term Targets | 2025 Targets | 2025 Achievements | ||||
Energy Consumption
|
100%Renewable electricity consumption within the organization by 2043 |
Renewable electricity consumption within the organization |
93% |
95%
|
|||
>95%of total installed capacity from renewable energy by 2043 |
Total installed capacity from renewable energy |
93% |
93% |
||||
| Total energy consumption |
2,125,923.79
|
2,097,828.73
|
|||||
| Energy intensity |
0.20
|
0.17
|
|||||
GHG Emissions
|
Net ZeroGHG emissions by 2050 |
GHG Scope 1 & 2 emissions |
718,478.59
|
702,884.33
|
|||
GHGemissions were
15,594.26
|
|||||||
| GHG Scope 1 emissions |
716,450.53
|
701,453.51
|
|||||
| GHG Scope 2 emissions |
2,028.06
|
1,430.82
|
|||||
| GHG Scope 3 emissions (Category 3) |
185,000
|
183,158.50
|
|||||
| GHG emissions intensity (Scope 1 & 2) |
0.0669
|
0.0572
|
|||||
Climate Change and Energy Management Performance
(GRI302-1, 302-3, 305-1, 305-2, 305-4)
| Climate Change and Energy Management Performance | ||
|---|---|---|
| Energy consumption within organization | GHG scope 1 emissions | GHG emissions scope 1 and 2 |
 |
 |
 |
| Energy consumption within organization per total energy generated | GHG scope 2 emissions | GHG emissions scope 1 and 2 per total energy generated |
 |
 |
 |
Project Highlights in 2025 (GRI 302-4, 302-5)
In 2025, CKPower implemented 12 energy efficiency and greenhouse gas reduction projects across its major power plants, covering energy, electricity, water, and transportation:
1) Lower Gas Pressure - Better Heat Rate Project 
-597.99 MWh | 
-278.40 tCO2e | 
-1.45 MB/year
The Bangpa-in Cogeneration Power Plant implemented an efficiency optimization initiative to reduce energy losses in electricity generation. The project involves comprehensive system inspection and analysis and the optimization of fluid pressure points in the piping, leading to decreased energy consumption for gas compressors.
2025 Performance:
597.99
MWh
278.40
tCO2e
1,447,751
baht
Achievement:
The project enhanced power generation efficiency, reduced energy consumption and greenhouse gas emissions, and supported CKPower’s energy management objectives and its commitment to achieving Net Zero greenhouse gas emissions.
2) Cooling Tower Fan Shutdown Project -322.46 MWh | -149.05 tCO2e | -0.78 MB/year
The Bangpa-in Cogeneration Power Plant launched an off-peak energy optimization initiative, in which cooling fans were shut down during 00:00-06:00 hours to eliminate unnecessary power consumption and maximize energy management efficiency.
2025 Performance:
322.46
MWh
149.05
tCO2e
775,090
baht
Achievement:
The project demonstrates CKPower’s commitment to energy efficiency enhancement, cost optimization, and environmental impact reduction through lower greenhouse gas emissions. The improvements have strengthened the plant’s operational sustainability and underscore CKPower’s commitment to achieving its sustainability targets and efficient energy management.
3) Steam Turbine Load Adjustment Project -3,202.00 MWh | -1,479.85 tCO2e | 7.7 MB/year
Due to reduced customer steam demand, excess steam was being released to condensers, leading to energy wastage. CKPower identified this as an opportunity to harness the surplus steam for power generation.
Project Initiation:
The Company conducted an engineering study to enhance energy efficiency, focusing on improving steam turbine performance and upgrading the control system to enable the utilization of surplus steam for additional electricity generation.
2025 Performance:
25.30
MW
1.30
MW
3,202.00
MWh
7,695,617
baht
1,479.85
tCO2e
Achievement:
This project reflects CKPower’s commitment to enhancing energy efficiency and minimizing energy losses in the production process by maximizing the use of surplus resources. It also reduces environmental impacts through lower greenhouse gas emissions, while creating positive contributions to the long-term sustainability of the Company and society as a whole.
4) Cooling Tower Optimization Project -222.54 MWh | -103.60 tCO2e | -0.54 MB/year
A cooling tower management initiative was launched to regulate ventilation fan activation and adjust cooling water pump operations, enhancing energy and water efficiency.
2025 Performance:
222.54
MWh
103.60
tCO2e
538,770
baht
Achievement:
The project not only improves electrical energy efficiency in the cooling tower system but also significantly reduces water loss and environmental impact. These improvements exemplify CKPower’s commitment to sustainable business practices and align with its greenhouse gas reduction goals.
Benefits:
- Reduced natural resource and energy consumption in power plant operations
- Enhanced stakeholder confidence in CKPower’s energy and environmental initiatives
5) Online Water Wash Project -1,553.42 MWh | -723.21 tCO2e | -3.76 MB/year
The Bangpa-in Cogeneration Power Plant’s engineering team deployed an advanced online water wash system for the gas turbine air compression system to enhance operational efficiency, reduce water washing intervals, minimize resource consumption, and maintain peak system performance.
2025 Performance:
1,553.42
MWh
183.13
m3
3,760,897
baht
723.21
tCO2e
Achievement:
The Online Water Wash project not only reduces energy and water resource consumption but also demonstrates CKPower’s commitment to sustainable innovation development and environmental impact reduction. This initiative also enhances gas turbine system reliability, reduces maintenance frequency, and extends equipment lifespan in the production process.
Benefits:
- Advancement of CKPower’s GHG reduction targets
- Promotion of resource efficiency
- Alignment with CKPower’s corporate sustainable development framework
6) Off-peak Gas Compressor Power Reduction Project -496.60 MWh | -268.66 tCOze | -1.68 MB/year
The engineering team at Bangpa-in Cogeneration Power Plant discovered that the excessive pressure of the gas compressor activated the excess flow valve system, resulting in energy loss.
They studied and improved the excess flow valve system and reduced the pressure of the gas leaving the pistons to ensure that the valve system would not be triggered, efficiently reducing energy wastage in the gas compression process.
2025 Performance:
860.00
kW
496.60
MWh
268.66
tCO2e
1,679,266
baht
Achievement:
The project demonstrates CKPower’s commitment to optimizing energy generation and reducing off-peak energy losses. Beyond cost and energy reductions, the project reduces environmental impact through greenhouse gas emission reductions and showcases the engineering team’s capabilities in implementing innovative solutions for positive organizational and environmental impact.
Benefits:
- Advancement of CKPower’s GHG reduction targets
- Long-term cost reduction
- Enhancement of corporate image as a sustainability and energy efficiency focused organization
7) Internal Combustion Engine to PHEV Transition Project 
58.00 liters | -0.16 tCO2e | -0.19 MB/year
Objectives
- Reduce fossil fuel consumption from the Company’s operations
- Lower greenhouse gas emissions from transportation and travel activities
- Support the transition to low-carbon vehicle technologies
- Align with the Company’s greenhouse gas reduction targets
2025 Performance:
58.00
liters
0.16
tCO2e
190,643
baht
Benefits
- Reduced energy costs while lowering carbon emissions (Cost & Carbon Efficiency)
- Improved energy efficiency in corporate transportation
- Demonstrated commitment to sustainable business practices
- Served as a model initiative for transitioning CKPower’s fleet toward clean energy solutions in the long term
8) Electric Vehicle Project -4,712.39 liters -0.16 MB/year
The Xayaburi Hydroelectric Power Plant replaced diesel-powered vehicles with electric vehicles to support greenhouse gas reduction goals and promote clean energy adoption.
Project Details in 2025
- Addition of 1 electric vehicle, bringing the current EV fleet to 2 vehicles
- 2 electric three-wheelers in active service
2025 Performance:
39,329.20
km
4,712.39
liters
155,508
baht
Achievement:
The project demonstrates CKPower’s commitment to reducing greenhouse gas emissions and promoting the use of renewable energy. It reduces reliance on fossil fuels while supporting the Company’s sustainability goals and minimizing environmental impacts.
Benefits:
- Advancement of CKPower’s GHG reduction targets
- Promotion of clean energy use in the organization
- Fostering sustainability awareness among employees and communities
9) Water Truck Usage Reduction Project -3,960.00 liters -10.60 tCO2e | -0.13 MB/ year
The Xayaburi Hydroelectric Power Plant enhanced its water management system for garden, lawn, and tree maintenance by replacing water trucks with a pipeline network covering required areas, reducing fossil fuel consumption.
2025 Performance:
3,960.00
liters/year
10.60
tCO2e
130,507
baht
Achievement:
This project demonstrates CKPower’s commitment to reducing greenhouse gas emissions and promoting resource efficiency. The green space maintenance system improvement through pipeline installation has reduced fossil fuel dependency, lowered costs, and increased operational efficiency.
Benefits:
- Advancement of CKPower’s GHG reduction targets
- Reduction of diesel expenses
- Promotion of sustainability in green space maintenance
10) Chiller Efficiency Optimization Project 
-173.12 kg -264.87 tCO2e
The Nam Ngum 2 Hydroelectric Power Plant initiated the optimization project for its chiller to reduce electrical power consumption within the plant and improve the cooling system performance. The project began with a comprehensive study and inspection of the existing chiller system, which revealed equipment deterioration due to long-term use.
Implementation:
- Maintenance and detailed inspection of the chiller system was conducted.
- Following assessment and analysis, a decision was made to replace the chiller in use with a new unit to improve operational efficiency and reduce energy consumption.
- The target is a minimum 3% reduction in chiller power consumption compared to the previous chiller.
Target and timeframe:
- The project is ongoing and is expected to be completed in 2025.
2025 Performance:
173.12
kg
Reduction in GHG emissions
264.87
tCO2e
Expected achievement:
This project forms part of CKPower’s commitment to enhancing operational efficiency through the adoption of modern technologies. It supports CKPower’s sustainability objectives by reducing energy consumption and minimizing environmental impacts.
Benefits:
- Long-term chiller system reliability
- Advancement of CKPower’s net-zero targets
- Reduction of electricity consumption and enhancement of overall operational efficiency
11) Lighting Replacement Project -315.06 MWh | -0.17 MB/year
The Xayaburi Hydroelectric Power Plant upgraded its lighting system by replacing 3,983 fluorescent and downlight bulbs with energy-efficient LED lighting across office and residential areas. The initiative improves energy efficiency, reduces heat loss, and enhances indoor lighting quality.
2025 Performance:
equivalent to approximately THB 630,119.18 per year in energy cost savings (at THB 2 per kWh).
315.06
kWh
174,410
baht
Achievement:
This project improved energy efficiency, reduced energy and maintenance costs, extended equipment lifespan, and enhanced indoor lighting quality. It also minimized environmental impacts and strengthened the sustainability of operations across office and residential areas.
Benefits:
- Reduction of heat accumulation within buildings due to lower heat emission from LED lamps compared to fluorescent lighting.
- Extension of equipment lifespan, resulting in lower replacement frequency and reduced maintenance costs.
- Environmental enhancement through reduced hazardous waste generation.
- Simplification of maintenance processes, as LED lamps do not require auxiliary components such as ballasts or starters.
12) GIS Sunshade Installation Project -23.40 tCO2e | -549.90 tCO2e
The Xayaburi Hydroelectric Power Plant installed protective sunshades for the Gas Insulated Switchgear (GIS) units at transformers Unit 1–7. The project was initiated after identifying deterioration of rubber bellow joints caused by direct exposure to environmental conditions and sunlight, which could increase the risk of sulfur hexafluoride (SF6) leakage.
The installation of sunshades helps prevent equipment deterioration, extends the lifespan of rubber bellow joints, and reduces the risk of sulfur hexafluoride (SF₆) leakage. The project enhances operational reliability while minimizing environmental impacts from high global warming potential (GWP) emissions, resulting in a reduction of 23.40 kilograms of (SF6) leakage.
2025 Performance:
549.90
tCO2e
Achievement:
This project successfully achieved its objectives in terms of quality, safety, and system performance. It reduced SF₆ leakage by 23.40 kilograms and strengthened the long-term reliability of power generation.
Benefits:
- Reduction of SF6 leakage risk, a greenhouse gas with high global warming potential.
- Reduction of emergency maintenance requirements, contributing to lower long-term maintenance costs.
- Enhancement of operational reliability and generation efficiency.
Overall Performance of Energy Conservation Projects in 2025
Overall Performance of Energy Conservation Projects in 2025 |
||||||
|---|---|---|---|---|---|---|
| Reduction in energy consumption |
6,710.07
|
8,730.39
|
Reduction in GHG emissions |
3,998.42
|
Reduction in energy costs |
16.54
|
| Performance Breakdown by Project | ||||||
Project |
Type of energy reduction | Reduction in energy consumption | Reduction in GHG emissions (tCO2e/year) | Reduction in energy costs (baht/year) | ||
| 1. Lower Gas Pressure - Better Heat Rate Project | Fuel |
597.99
|
278.40 |
1,447,751 |
||
| 2. Cooling Tower Fan Shutdown Project | Fuel |
322.46
|
149.05 |
775,090 |
||
| 3. Steam Turbine Load Adjustment Project Phase 2 | Fuel |
3,202.00
|
1,479.85 |
7,695,617 |
||
| 4 Cooling Tower Optimization Project | Fuel |
222.54
|
103.60 |
538,771 |
||
| 5. Online Water Wash Project | Fuel |
1,553.42
|
723.21 |
3,760,897 |
||
| 6. Off-peak Gas Compressor Power Reduction Project | Fuel |
496.60
|
268.66 |
1,679,261 |
||
| 7. Internal Combustion Engine to PHEV Transition Project | Fuel |
58.00
|
0.16 |
190,643 |
||
| 8. Electric Vehicle Project | Fuel |
4,712.39
|
12.63 |
155,508 |
||
| 9. Water Truck Usage Reduction Project | Fuel |
3,960.00
|
10.60 |
130,507 |
||
| 10. Chiller Efficiency Optimization Project | R134A |
R134A leakage reduction:
|
264.87 |
- |
||
| 11. Lighting Replacement Project | Electricity |
315.06
|
157.50 |
174,410 |
||
| 12. GIS Sunshade Installation Project | SF6 |
SF6 leakage reduction: 23.40
|
549.90 |
- |
||
Sustainability report 2025