Environmental Stewardship


Target of operation in eco-efficiency is aligned with other environmental management of the company such as Environmental Impact Assessment report and Environmental Monitoring and Auditing Program Report (EIA and EM&A), ISO 14001, Emission Control and Waste Reduction and Green Factory. This leads to good environmental workplaces to surrounding communities and employees in order to running business operation along with sustainability of environment and society.

The company cares for Sustainable operational Eco- Efficiency in important parts such as water management, air quality management, and waste management.

Water Management

Water is the natural resources that share with agriculture, industry and household. Therefore, water management needs to be operated with high efficiency from upstream to downstream. The water management needs to consume water in suitable of quantity reach the most efficiency that will usher the company and communities to live along with sustainability.

Air Quality Management

The company always places an important on business operation with environmental responsibility. Air quality Management in workplace and surrounding communities is also one of the company’s significance. GPSC always conduct and monitor air quality in air quality measuring stations both in workplace and community areas including to point of checking air and follows up operation outcome complied with standards and regulations. Moreover, the company also plants trees as barriers, prevent air pollution to community in order to build the confidence to governmental agencies and communities toward the environmental management of company’s operation.

Waste Management

The company has system of waste management, both in internal disposal and regulating transportation established by Thailand’s regulation and government agencies’ provision. Moreover, the company also uses 3Rs (Reduce Reuse Recycle) which are reduction of use, reusing and recycling by reducing waste at its origin sources to minimum and reusing and recycling generated waste in maximum that result to the company can reduces amount of waste to landfill.

Climate Chage Risk and Adaptation


GPSC aims to be low-carbon organization by reducing greenhouse gas emissions and climate changes from power generation.

Due to effects from climate changes such as issue from radical weather condition, flood, drought, it directly results in continuity of business operation and stakeholders’ confidence to the company’s adaptation form climate changing. Therefore, as a generator of energy using main source of natural gas, which is lower release greenhouse gas, compare with other petroleum fuels. Nevertheless, the company strongly aims to be a low-carbon society in the future by decreasing the emission in any carbon dioxide forms and activities in example of using and developing, friendly environment technologies and reduction of energy consumption, along with national policies.

The company also manages electricity generation and other activities aimed to trigger risks from climate change such as improvement of production process, using renewable energy, reduction of energy consumption and machine maintenance etc.

In addition, GPSC also plays an profound role in energy saving by establishing the energy conservation policy in 2015 which all executive and employees must following and drive it in practice to achieve the objective and target including support the Thailand’s energy saving policy as well as create highest capability via the company projects and activities arranged by the Energy Management Committee, term of working between 2015 -2017.

Another proof of company operation shown concern in climate change adaptation and being a role model of saving energy organization that sustainable growth is certification of saving energy building in commercial interior in Platinum level to the company’s headquarter in Bangkok in 2014. The company is the first organization in Thailand certified in Platinum level under the standard of LEED (Leadership in Energy and Environmental Design), under consideration of designing building that can save any kinds of energy by not using toxic materials, efficiency of waste management including using the material made from recycled as well as protecting of employees health and safety and eco-friendly green office.

Download climate change policy

Product Stewardship

Customers Satisfaction

To create reliable, sustainable and good relationship with clients, the company manages relationship in terms of communication and operation with clients on a regular basis, aiming to highly satisfy clients in services from the company’s business operations.

Management of Contractors and Suppliers

GPSC manages contractors and suppliers in compliance with sustainable supply chain management guidelines, comprising ethics in business operations, corporate social responsibility (CSR), safety, environmental management, efficient supplier selection and supplier relations management which help managing and developing relationships with suppliers, enhancing efficiency in the operation of supplier and reducing potential risks on the company’s business operations.

Code of Conduct

Business ethics is the key issue which GPSC commits to demonstrate responsibilities toward stakeholders, society and environment. GPSC establishes the corporate governance policy and business ethics as guidance for all employees to practice


GPSC also commits to operate with integrity without corruption. GPSC operates in accordance to the Anti-Corruption Policy and Whistleblower Policy and provides channels for internal employees and external to notify cases of corruptions by directly submit the grievance to the CEO, Organizational Excellence Department, Human Resource Department and other functions via system of “Whistleblowing” company’s website.



The company intends to maintain natural resources and operates with environment and community responsibilities by protecting the habitat and biodiversity. The company develops the management system and controls the operation to ensure that the impacts on biodiversity will be prevented and minimized throughout design and construction.

GPSC realize to regularly prevent and minimize environmental impacts from business operation and projects both in Thailand and internationally. Every project both of business expansion and new business of the company must be studied in EIA report and approved from the conditions stated which is involved in the biodiversity assessment covering quantity and species in operating area. The biodiversity study shall be completed in forest and wildlife resources, every projects and its involving area need to comply with national law in each country. In Thailand, there are Wildlife Preservation and Protection Act in 1992 and decrees for forbidden wood in 1987 etc. as well as other international regulation such as International Union for Conservation of Nature and Natural Resources (IUCN) etc.

Besides, the company also set the environmental mitigation measures and monitoring programs that the company must be followed strictly and completely. The monitoring report will be submitted to the related government agencies to consideration as frequency stated in EIA report.

Due to the area of operation in Thailand located in industrial development zone, therefore does not have many impacts on habitat and biodiversity. The company also set other mitigation measures on area of water, air and noise etc. The existing of ecology around operation area will not be disturbed indirectly also form those mitigation measures setting.

However, the international projects were featured on habitat protection and biodiversity significantly. Before investing in projects, the company has to study possible impacts on biodiversity of biological resources in operating area to develop mitigation measures, monitoring programs, action plan as well as environmental management and Monitoring plan (EMMP). The consequence of these studies will be used and implemented since design throughout construction and operation period both short and long term to ensure that the operation of the projects will not affected or slightly affected to the existing environment and habitat both of plants and animals.