Occupational Health and Safety

Impact on Business (GRI3-3)

CKPower places emphasis on systematic and effective Occupational Health and Safety (OHS) management to prevent and mitigate risks that may affect the health, lives, and property of employees, contractors, and relevant stakeholders. This approach also reduces the risk of operational disruptions that may affect stakeholders across the supply chain and the continuity of electricity generation.
The Company establishes occupational health and safety policies and guidelines in alignment with international standards and applicable laws in Thailand and the Lao PDR. The Company provides OHS training before work begins for employees, suppliers and contractors to enhance knowledge, raise awareness, and promote safe working behaviors.
This proactive approach helps reduce workplace accidents and incidents, enhances safety for surrounding communities, and reinforces stakeholder confidence. In contrast, insufficient occupational health and safety management may lead to adverse impacts on the lives and property of employees and stakeholders, potentially affecting operational stability and the long-term sustainability of the business.

Challenges and Opportunities (GRI3-3)

CKPower faces challenges from occupational health and safety risks related to high-risk working environments, unsafe work practices, fluctuating weather conditions, and rising environmental pollution. These factors may adversely affect the health, lives, and property of employees, contractors, and relevant stakeholders, as well as the continuity and efficiency of business operations.

To mitigate and manage such impacts, the Company has established a systematic occupational health and safety management system covering preventive, responsive, and remedial measures, while promoting a safety culture across the organization and throughout the supply chain. The Company emphasizes enhancing knowledge, awareness, and safe working behaviors at all levels to improve the quality of life of employees, suppliers, contractors, customers, and surrounding communities.

These approaches enable the Company to elevate its occupational health and safety standards, reduce workplace accidents and injuries, and strengthen stakeholder confidence. The Company has set a target to become an “accident-free and injury-free organization”.

In addition, CKPower has deployed an Accident and Safety Incident Reporting System using Maximo to systematically track, record, and analyze safety incidents. The data derived from this system is utilized to improve preventive measures, reduce risks, and reinforce confidence in safe operations.

Commitment (GRI3-3)​

CKPower considers occupational health and safety as a critical factor in achieving sustainable business operations. The Company is committed to aligning the work processes of employees, contractors, and relevant stakeholders with international standards to prevent accidents, injuries, and work-related illnesses, while promoting health and occupational well-being at all levels of the organization.

CKPower is committed to becoming a zero-accident organization by fostering a proactive safety culture, with a strong focus on both Operational Safety (OS) and Personal Safety (PS) across all employees and contractors. To support this commitment, the Company has implemented an OHS management system aligned with company policies, applicable laws, and international safety standards to ensure a safe working environment for all personnel.

CKPower also conducts ongoing occupational health and safety risk assessments and reviews the risks associated with power plant activities at least once a year, covering hazard identification related to machinery, chemicals, and unsafe environments. This process involves communicating risks and control measures to employees before work begins to minimize accident risks and enhance operational safety and long-term sustainability.

Operational Guidelines (GRI3-3, 403-2)

CKPower has established an Occupational Health and Safety Policy and implemented a comprehensive OHS Management System integrated into the Company’s Code of Business Conduct, addressing workplace environmental conditions, safety, and occupational health and hygiene.

The Company systematically identifies hazards and assesses work-related risks across its power plant operations, including activities involving machinery, chemicals, and potentially hazardous working environments. It also establishes clear control measures and operational procedures, which are regularly reviewed and continuously improved to ensure alignment with operational contexts and evolving risks.

The system is certified to ISO 45001:2018, demonstrating the Company’s commitment to systematically ensuring occupational safety and promoting the health and well-being of employees and relevant stakeholders in a sustainable manner.

Occupational Health and Safety Policy
Occupational Health and Safety Policy
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Code of Business Conduct on Occupational Environment, Safety, and Health
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Strategy and Roadmap

Occupational Health and Safety Management System (GRI403-1,403-3, 403-4)

CKPower has implemented an Occupational Health and Safety Management System in compliance with applicable laws, regulations, and standards relevant to power plant operations in Thailand and the Lao PDR. These include labor laws, chemical management regulations, fire prevention and suppression regulations, and occupational health and safety regulations. The system is designed to ensure safe, responsible, and internationally aligned operations.

The Company has established an Occupational Health and Safety Policy covering all activities, operational sites, and all employees and contractors. The system is certified to ISO 45001:2018 and serves as a key mechanism for continuously enhancing workplace safety standards and promoting the health and well-being of all personnel.

CKPower’s occupational health and safety strategy emphasizes systematic and continuous risk management throughout the entire operational lifecycle. It covers risk assessment and control, the provision of appropriate occupational health services, safety training and competency development for employees and contractors, regular monitoring and review of safety performance, and the effective management of accidents and safety incidents.

In addition, the Company promotes participation, consultation, and communication on occupational health and safety at all organizational levels. This enables personnel to express concerns, report hazards, and actively contribute to the development and improvement of safety measures, thereby cultivating a proactive safety culture and reinforcing confidence in a safe, healthy, and supportive working environment throughout the organization.

CKPower has established and enforced a Code of Business Conduct on Occupational Environment, Health, and Safety to serve as practical guidelines across the organization and throughout the supply chain, as follows:

Quality of life and safety of employees
Compliance with environmental laws and requirements
Hazard prevention measures and safety policies
Improvement of working conditions and environment
Environment and safety activities
Health examinations for full-time employees and new hires

Hazard Identification and Occupational Health and Safety Risk Assessment (GRI403-2, 403-7)

CKPower mandates that the safety department adhere to procedures for identifying hazards and assessing occupational health and safety risks before commencement of work. These procedures were developed with the Job Safety Analysis (JSA) approach, which comprises a total of seven steps as follows:

1
Reviewing all activities and tasks within the designated area.
2
Identifying specific steps in tasks that pose occupational health and safety risks.
3
Pinpointing hazards and evaluating their potential impacts.
4
Assessing the severity and likelihood of these risks.
5
Creating an occupational health and safety risk register, prioritizing risks, and setting targeted goals for risk management.
6
Formulating guidelines and establishing action plans for future risk prevention and mitigation.
7
Consistently monitoring and reporting to the committee on a monthly basis.

Employees in the Safety Department perform Occupational Health and Safety (OHS) Risk and Hazard Assessments and apply the outcomes of hazard identification and risk assessment to make improvements and develop safety management guidelines. Additionally, key performance indicators (KPIs) have been established for effective hazard identification and risk assessment, ensuring compliance with standards and continuous improvement. The occupational health and safety risk assessment results for 2025 are as follows:

Occupational Health and Safety Risk
Work at Height
Hot Work
Work in Confined Spaces
At-risk Persons

Employees and contractors operating in power plants

Incident Type and Risk Level
  • Fall from height: High risk
  • Injuries caused by falling equipment: High risk
Preventative and Corrective Measures
  • Safety training before work commences
  • Inspection of safety equipment for working at heights
  • Environmental assessment before work commences
  • Review and prioritization of operational procedures
  • Establishment of emergency response and rescue measures
At-risk Persons

Employees and contractors operating in power plants

Incident Type and Risk Level
  • Explosion risk from ignition-capable equipment due to lack of inspection and maintenance: High Risk
  • Fire hazard from nearby sparks, potentially escalating into a major fire: High risk
  • Electric shock from faulty equipment: High risk
  • Burn injuries from hot metal or flying sparks: Medium risk
  • Explosion risk from cutting pipes containing flammable gases or liquids: High risk
Preventative and Corrective Measures
  • Safety training for hot work
  • Provision of personal protective equipment (PPE) with fire-resistant insulation
  • Environmental inspection before work commences, particularly areas that pose spark risks
  • Establishment of emergency response and rescue measures
  • Inspect equipment and tools to ensure they are in proper working condition.
  • Check gas cylinders to verify they are not expired, structurally intact, and safe for use.
At-risk Persons

Employees and contractors operating in power plants

Incident Type and Risk Level
  • Employee or contractors loses consciousness in a confined space: High risk
  • Fire hazard from hot work in a confined space: High risk
Preventative and Corrective Measures
  • Safety training for working safely in confined spaces
  • Risk assessment of confined spaces
  • Review of operational procedures
  • Installation of safety equipment, especially gas masks or preparation of oxygen tanks
  • Establishment of emergency response and rescue measures
  • Implement a confined space work permit system
  • Verify health check results and certifications to ensure workers are medically fit and qualified for confined space entry.
Work in high voltage areas
Handling of hazardous equipment such as heavy or sharp objects
Chemical-related work
At-risk Persons

Employees and contractors operating in community power plants along transmission lines

Incident Type and Risk Level
  • Employee or contractors sustains an electric shock from high-voltage power: High risk
  • Employee or contractor falls from a high-voltage power pole: High risk
Preventative and Corrective Measures
  • Equipment usage training for employees on correct and safe use of hazardous equipment
  • Provision of personal protective equipment (PPE), gloves, safety shoes, back braces, and other appropriate equipment
  • Installation of hazard warning signs and equipment usage instructions in work areas
  • Regular hazardous equipment inspection and maintenance to ensure readiness
  • Establishment of emergency response and rescue measures
At-risk Persons

Employees and contractors operating in power plants

Incident Type and Risk Level
  • Employee or contractor sustains an injury while working with hazardous equipment: Medium risk
  • Employee or contractor sustains an injury due to overloading lifting equipment beyond its capacity: Medium risk
Preventative and Corrective Measures
  • Establishment of safe work procedures and clear operational procedures
  • Provision of personal protective equipment (PPE) and gloves
  • Use of lifting or moving equipment, especially for heavy materials
  • Establishment of emergency response and rescue measures
At-risk Persons

Employees and contractors operating in power plants and surrounding communities in the case of a chemical leak

Incident Type and Risk Level

Employee or contractor sustains injuries due to chemical exposure from leaks or splashes, including contact with skin or eye contamination: High risk

Preventative and Corrective Measures
  • Safety training on proper chemical use, emergency management, and reading Safety Data Sheets (SDS)
  • Work area management by designating specific areas for chemical storage and use, with ventilation systems and clear warning signs
  • Preparation of personal protective equipment (PPE): providing employees with task-appropriate gloves, vapor filter masks, safety goggles, and chemical protective clothing
  • Waste management system with waste sorting and proper disposal of used chemicals according to environmental requirements
  • Regular inspection and maintenance of equipment and chemical use areas to prevent leaks or accidents
  • Establishment of emergency response and rescue measures

Detailed results of the 2025 occupational health and safety risk assessment and additional preventive measures can be found on the website.

Occupational Safety and Health Supervision (GRI403-4)

CKPower implements a comprehensive occupational safety and health governance system by designating the Safety Department as the primary entity responsible for monitoring, inspecting, and improving the work environment. This ensures compliance with international safety standards and promotes a safe and healthy workplace.

CKPower establishes quantitative safety targets for each power plant, utilizing these metrics to improve safety measures, maintain workplace safety statistics, and ensure compliance with employee health and safety standards. This approach supports CKPower’s goal of systematically achieving safety and occupational health development goals.

CKPower has also formed a dedicated committee for Occupational Safety, Health, and Environment (OSHE), chaired by the Power Plant Manager and comprising representatives from various departments, with the Security Department serving as the secretary. The primary responsibilities of this committee are to develop and enhance the occupational health and safety management system. Regular committee meetings are held to assess progress and monitor performance according to established policies and management systems.

Occupational Safety Management (GRI2-25, 403-2)

Incident Reporting Channels

CKPower provides channels for employees and contractors to report accidents, unsafe conditions, and activities that pose accident risks through various channels. It has also established guidelines for accident response, investigation, and appropriate corrective actions based on safety risk assessments for employees and contractors, as follows:

  1. Safety officers or the Occupational Safety, Health, and Environment Committee via telephone and E-mail
  2. Power plant managers via telephone and E-mail
  3. WE CARE CONVERSATION online form
  4. Complaint and suggestion form

CKPower has established practical guidelines for inspection and corrective action in the case of accidents, based on safety risk assessments for employees and contractors. The Company also evaluates and maintains risk registers for potentially hazardous activities.

Furthermore, basic safety rules allow employees or relevant personnel to stop work and take corrective action when hazards are identified. CKPower also convenes meetings to discuss control measures for medium and high-risk activities and presents risk reduction plans to executives for approval and implementation.

Work-related injury or illness investigation procedure (GRI403-2)

CKPower has established a systematic incident investigation process covering work-related injuries or illnesses, accidents, and near-miss events. Designated safety officers prepare a Near Miss and Incident Report, which is submitted to the Power Plant Manager for review and approval.

The report includes root cause analysis, the determination of corrective and preventive actions (Corrective and Preventive Actions: CAPA), and follow-up measures to prevent recurrence.

The workplace injury or illness investigation procedure is as follows:

Step 1
An incident is reported and entered into the record of the Safety, Occupational Health, and Environment Committee.
Step 2
A meeting is conducted within 24 hours to investigate the reported workplace injury or illness.
Step 3
Measures are established to prevent accident recurrence and/or mitigate the severity of incidents.
Step 4
The complainant receives a logged response regarding incident redress within 24 hours.
Step 5
Appropriate remediation is provided to employees injured at work.
Step 6
The effectiveness of measures is monitored, reviewed, and verified, and operational results are reported to the Executive Committee monthly.
Work-Related Injuries (GRI403-9)

CKPower places strong emphasis on occupational health and environmental protection for all employees, contractors, and suppliers throughout the supply chain. All workers are covered under the Company’s Occupational Health and Safety Management System. The Company is committed to becoming an accident-free and injury-free organization and systematically collects safety data to establish targets, monitor performance, and continuously improve operational effectiveness.

To achieve this, CKPower has established the Loss Time Injury Frequency Rate (LTIFR) as one of key occupational health and safety indicators, with a target of zero LTIFR calculated per 1,000,000 working hours. This index is used to evaluate the effectiveness of safety management measures. Additionally, CKPower comprehensively collects and monitors other safety performance indicators, including Total Recordable Injuries (TRI), Total Recordable Injury Rate (TRIR), Near Miss incidents, and Near Miss Frequency Rate (NMFR). These indicators are used to analyze performance trends, identify potential risks, and strengthen proactive preventive measures.

In 2025, the Company recorded an incident resulting in a lost time injury. Following the incident, appropriate care and remediation were provided to the affected individual. A thorough root cause review was conducted, and corrective and preventive measures were subsequently implemented to prevent recurrence and continuously enhance workplace safety standards, as detailed below:

Incident 1 **

A contractor sustained injuries when a reflective safety vest came into contact with moving machine parts, resulting in injuries to the right arm and right chest.

Remediation

The injured contractor was promptly transported to Xayaburi Hospital for initial medical treatment. The attending physician provided wound care and administered a tetanus vaccination. The contractor was subsequently discharged to rest at the accommodation in the evening and was later referred for a comprehensive medical examination at the contractor’s designated hospital in Thailand.

Management Measures/ Guidelines
  • Conducted additional safety training for contractors, emphasizing proper use of personal protective equipment (PPE).
  • Reinforced proper wearing of reflective safety vests to prevent entanglement with machinery.
  • Installed and upgraded protective guards and safety devices at identified high-risk machine points.
  • Reinforced strict safety compliance for contractors within the power plant, with enhanced on-site supervision.
Incident 2 *

A contractor sustained an injury while removing the trunnion from the runner hub using a hydraulic jack. During the pulling process, the jack lost stability, tipped over, and struck the contractor’s head.

Remediation

The injured contractor received immediate first aid and was subsequently transported to the power plant’s Medical Center. The attending physician cleaned and sutured the wound with seven stitches and recommended further X-ray examination at Xayaburi Hospital for proper diagnosis and treatment.

Management Measures/ Guidelines
  • Conducted additional safety training for contractors, emphasizing proper use of PPE, particularly safety helmets.
  • Organized Toolbox Talks with contractors to enhance awareness of hazards related to falling objects.
  • Established clear communication protocols and reviewed work positioning during lifting and heavy component assembly.
Incident 3 *

A contractor experienced dizziness and subsequently lost consciousness while mixing cement at the Fish Research Center. The individual fell backward, striking the head on a rock and sustaining injuries with seizure symptoms. The contractor was promptly transported to the power plant’s Medical Center for further medical treatment.

Remediation

The Company’s medical team provided initial treatment, including cleaning and suturing the head wound with four stitches. The injured contractor was advised to rest for one day and subsequently returned to work as normal.

Management Measures/ Guidelines
  • Provided education to workers on the importance of adequate rest to support health and workplace safety.
  • Encouraged regular rest breaks and hydration to reduce the risk of dehydration.
  • Delivered guidance on nutrition, hydration, and health management for prolonged working hours
Incident 4 **

A road traffic accident occurred involving a contractor responsible for transporting employees during the morning shift. The incident resulted in injuries to two employees and the fatality of the contractor driver.

Remediation

The injured individuals were immediately transported to a nearby hospital for medical treatment. Comprehensive medical examinations were conducted, and their conditions were closely monitored. The injured were granted medical leave until they were medically fit to safely resume work.

In the case of a contractor fatality, the contractor company provided appropriate assistance and compensation in accordance with applicable rights and relevant regulations.

This incident was escalated to top management for oversight and to inform the review and enhancement of relevant safety and risk management measures.

Management Measures/ Guidelines
  • Reinforced safe driving requirements, with emphasis on adequate rest to prevent fatigue.
  • Revised the operational plan to primarily utilize company-employed drivers for employee transportation in order to enhance supervisory effectiveness and ensure compliance with CKPower’s safety standards.
  • Promoted health and work-readiness awareness, including rest, hydration, and nutrition guidance.
Note:

* This is classified as a Total Recordable Injury (TRI) but is not counted as part of the Lost Time Injury Frequency Rate (LTIFR) since, after first aid treatment and medical evaluation, all cases were able to return to work within 24 hours.

** This is classified as a Lost Time Injury Frequency Rate (LTIFR)

Work-Related Illnesses

CKPower employs a comprehensive hazard assessment method based on the Hierarchy of Control principles to prevent work-related illnesses. This system categorizes hazard control into six levels:

  1. Elimination – Removing the hazard from the process entirely.
  2. Substitution – Replacing hazardous materials, processes, or equipment with less hazardous alternatives.
  3. Engineering Controls – Implementing physical changes to the work environment to reduce exposure to hazards.
  4. Warnings – Providing appropriate signage and alerts to inform workers of potential dangers.
  5. Administrative Controls – Implementing safety training, work planning, and modifying work procedures to minimize risks.
  6. Personal Protective Equipment (PPE) – Ensuring the availability and proper use of protective gear to safeguard workers.

During the preliminary hazard assessment, CKPower evaluates control methods at each level to prevent work-related illnesses arising from exposure to hazards or unsafe work environments. This proactive approach ensures that potential risks are effectively managed before they impact workers’ health.

Pandemic Prevention Guidelines (GRI 403-6, 403-10)

Although the COVID-19 pandemic situation has shown signs of easing, the company remains consistently mindful and concerned about the safety and occupational health of our employees, partners, customers, shareholders, and relevant stakeholders. Comprehensive preventive measures and policies have been established to mitigate the spread of infectious diseases, including:

  • The Company tasked the Occupational Safety, Health, and Environment Committee with the responsibility of establishing policies and various practices during the outbreak of COVID-19, such as the "E-Work Permit System."
  • Provide annual influenza vaccinations and hepatitis B immunization programs to safeguard employee health and prevent communicable disease transmission. During major outbreaks, including COVID-19, ensure comprehensive vaccination coverage to strengthen immunity and minimize operational disruption risks.
  • Establish epidemic preparedness measures and a Business Continuity Management Committee to oversee emergency response and ensure operational continuity during widespread disease outbreaks, including assessment and mitigation of potential impacts on employees, their families, customers, business partners, shareholders, and surrounding communities.
  • Implement preventive measures to continuously control epidemic risks and establish response plans in the event of confirmed cases to ensure business continuity. The power plant control room is designated as a high-control area, with restricted access limited to authorized personnel only, to maintain operational stability and ensure electricity generation proceeds efficiently in line with operational plans without disrupting customer demand.
Long-term targets, 2025 targets, and 2025 achievements (GRI3-3)
Occupational Health and Safety
Occupational Health and Safety
Long-term Targets
Fatalities from work-related injuries involving both employees and contractors.
0
case
 Lost-time injuries (LTI) both employees and contractors
0
case
Lost-time injuries frequency rate (LTIFR) both employees and contractors
0
case / 1,000,000 hours
2025 Targets 2025 Achievements
Fatalities from work-related injuries involving both employees and contractors.
0
case
1
case
Lost-time injuries (LTI) both employees and contractors
0
case
2
case
Lost-time injuries frequency rate (LTIFR) both employees and contractors
0
case / 1,000,000 hours
2
case / 1,000,000 hours
SDGs

Project Highlight 2025 (GRI403-5)

Project/Activity Participants Description Target Outcome
Safety Training for Contractors Working on Unit 2 Major Overhaul 2025 at Nam Ngum 2 Hydroelectric Power Plant (EGAT, TOSHIBA, and ABB Teams) 240 Provide a safety briefing on workplace regulations at Nam Ngum 2 Hydroelectric Power Plant, covering compliance with safety rules, work permit procedures, equipment preparation, warning signage, proper use of PPE, fire prevention and suppression measures, housekeeping practices, emergency response procedures, and submission of safety documentation for review prior to work commencement. 100% of contractors working in the power plant receive safety training 100% of contractors working in the power plant received safety training

Project/Activity Participants Description Target Outcome
Safety Training for Contractors Working Within Xayaburi Hydroelectric Power Plant 856 Communicate the Company’s OHS Policy, including site safety rules, internal traffic regulations and speed limits, waste segregation practices, emergency response procedures, and prohibited activities within the power plant premises to enhance safety awareness and support efficient operations. 100% of contractors working in the power plant receive safety training. 100% of contractors working in the power plant received safety training.

Project/Activity Participants Description Target Outcome
Safety week 209 The training covered:
  • Lockout–Tagout: 46 participants
  • Job Safety and Environmental Analysis (JSEA): 24 participants
  • Behavior-Based Safety: 21 participants
  • Power Plant Safety Committee Training: 18 participants
  • Firefighting, First Aid and Patient Evacuation (in compliance with Lao regulations): 32 participants
  • High Water Emergency Drill: 68 participants
 100% of participants gain knowledge and ability to respond effectively in emergency situations. 100% of participants received training and demonstrated the ability to respond in accordance with the Emergency Action Plan

Project/Activity Participants Description Target Outcome
Safety Toolbox Talk by Xayaburi Hydroelectric Power Plant Operators: Safety Precautions Before Outage Work 312 Conduct pre-outage risk assessments to identify potential hazards, including electrical work, confined space entry, working at height, and falling objects, while reinforcing safe work practices and verifying proper PPE compliance prior to task commencement. 100% of outage personnel were briefed and formally acknowledged safety requirements before work begins 100% of outage personnel received comprehensive safety briefings

Project/Activity Participants Description Target Outcome
Emergency Response Training with the Emergency Response Team (ERT) 20 Conduct coordination and communication drills to enhance teamwork and joint operational response, including engagement with relevant authorities. 100% of Emergency Response Team (ERT) members participated and demonstrated correct response procedures 100% of ERT members completed practical training and successfully passed the emergency response drill

Project/Activity Participants Description Target Outcome
High Water Flow Emergency Action Plan Communication Program 42 Communicate the High Water Emergency Action Plan to local government agencies and upstream and downstream communities surrounding the power plant Relevant communities and authorities acknowledged and understood the Emergency Action Plan All communications were carried out in accordance with the plan, with no complaints reported

Project/Activity Participants Description Target Outcome
Safe Driving Training and Road Safety Awareness Campaign 100% of Xayaburi drivers participated Deliver safe driving training and communication sessions to raise awareness and reduce road accidents. 100% of drivers understand and comply with safety regulations 100% of drivers completed the training and acknowledged the safety regulations

Project/Activity Participants Description Target Outcome
Safety Talk (Every Wednesday) 100% of operators working on the day of the event participated Promote safety and environmental awareness both at work and outside the workplace, encouraging active employee participation and rotating facilitators to foster shared learning and engagement. Strengthen a proactive safety culture across the organization Zero work-related fatalities were recorded
Project/Activity Participants Description Target Outcome
Employee Health and Occupational Health Promotion 36 Promote physical exercise and overall health and well-being among employees. ≥80% of participants exercise at least once weekly 25% of employees exercised regularly and 99% engaged in some form of physical activity.

Project/Activity Participants Description Target Outcome
Power Plant Open House 150 Welcome community members and students for site visits, providing knowledge on power generation processes, safety practices, and environmental management. Promote understanding and strengthen stakeholder confidence No safety or environmental complaints were reported.

Sustainability report 2025