Environmental Management

According to HSSE Policy issued in 2022, PLN is committed to environmental sustainability. Furthermore, the company has a number of policies and procedures in place to manage its environmental impact, including:

We understand that most of our power plants are using raw materials that come from non-renewable sources and it is our responsibility to maintain the sustainability of the availability of non-renewable resources in the future. Therefore, we optimize the use of coal by adjusting the loading operation pattern, optimization of low-calorie coal combustion with Digital Combusting Tuning, cofiring for PLTU plants where the primary energy of coal can be reduced by co-combustion of bio-mass, and from year to year, we have been trying to suppress the energy mix from fuel oil, one of which is by making efforts to de-dieselize diesel generators into NRE plants.

1. Environmental Management System (EMS): PLN has implemented an EMS that is certified to the ISO 14001 standard. This means that the company has a systematic approach to managing its environmental impact.
2. Environmental Impact Assessment (EIA): PLN conducts an EIA for all new projects to identify and assess the potential environmental impacts.
3. Waste Management: PLN has a number of waste management practices in place, including recycling, composting, and waste minimization.
4. Water Management: PLN is committed to using water efficiently and sustainably. The company has a number of water conservation measures in place, such as rainwater harvesting and water reuse.
5. Air Emissions Management: PLN monitors and controls its air emissions to ensure that they comply with environmental regulations.
6. Greenhouse Gas Emissions Management: PLN is committed to reducing its greenhouse gas emissions. The company has a number of initiatives in place to achieve this goal, such as using renewable energy and energy efficiency measures.

PLN is committed to managing its environmental impact, and has taken a number of steps to minimize the amount of waste produced by its power plants. These steps include:

1. FABA management: PLN has developed a roadmap for the management of fly ash and bottom ash (FABA), a type of solid waste produced by coal-fired power plants. The roadmap includes measures to increase the utilization of FABA, such as using it in the production of concrete and other materials.
2. Waste management: PLN has also implemented a waste management program that includes measures to reduce, reuse, and recycle waste. The program has helped to reduce the amount of waste sent to landfills by 25%.
3. Hazardous waste management: PLN has a separate program for managing hazardous waste, such as batteries and oils. This program includes measures to prevent the release of hazardous waste into the environment.
4. Effluent management: PLN has also taken steps to manage the effluent from its power plants. Effluent is the wastewater that is produced by power plants. PLN has installed wastewater treatment plants at its power plants to treat the effluent before it is released into the environment.
5. Emission management: PLN monitors and controls the emissions from its power plants to ensure that they comply with environmental regulations. PLN has also invested in new technologies to reduce emissions from its power plants.

PLN assesses environmental risks and develops mitigation strategies before operating in a certain area. This is manifested in environmental documents, including SPPL (Environmental Management Statement), UKL-UPL (Environmental Management Efforts and Environmental Monitoring Efforts), and AMDAL (Environmental Impact Assessment). In addition, PLN conducts public consultations before operations are carried out in a certain area.

PLN is committed to reducing its environmental impact and has made a number of breakthroughs in recent years. These include:

1. The implementation of co-firing technology: This technology allows PLN to burn biomass alongside coal, which reduces the amount of CO2 emissions. In 2022, PLN implemented co-firing technology in 36 COAL FIRED POWER PLANT locations, which helped to reduce carbon emissions by 570 thousand tons of CO2.
2. The development of a biomass supply chain: PLN has built a biomass supply chain to ensure a continuous supply of biomass for co-firing. This supply chain starts from the planning, development, management of the biomass plant to the commercialization of the COAL FIRED POWER PLANT PLN.
3. The development of the Dataling application: This application allows PLN to monitor the implementation of environmental performance in all units and subsidiaries. This helps PLN to identify and address any environmental issues quickly and effectively.
4. The development of an ESG Framework: This framework will set out PLN’s environmental goals and targets. It will also provide a roadmap for how PLN will achieve these goals.
5. The reduction of hazardous waste generation: PLN has set a target to reduce the intensity of hazardous waste generation by 1% per year. This will be achieved through a number of measures, including the implementation of cleaner production technologies and the improvement of waste management practices.
6. The increased utilization of FABA: PLN has set a target to use 60% of the current year’s production of FABA. This will be achieved through the development of new applications for FABA, such as using it in the production of concrete and other materials.

These are just some of the breakthroughs that PLN has made in recent years. PLN is committed to continuing to reduce its environmental impact and to becoming a more sustainable company.

1. Environmental Management System

PLN has established a comprehensive environmental management system (EMS) to ensure that its operations comply with environmental regulations and standards. The EMS includes the following elements:

1. PLN has a set of environmental policies that define its commitment to environmental protection. These policies are communicated to all employees and are regularly reviewed and updated.
2. PLN has a systematic approach to planning its environmental activities. This includes identifying and assessing environmental impacts, setting goals and targets, and developing and implementing plans to achieve these goals.
3. PLN has a system in place to ensure that its environmental policies and plans are implemented and operated effectively. This includes monitoring and measuring environmental performance, and taking corrective action when necessary.
4. PLN regularly reviews its EMS to ensure that it is effective and meets its objectives. This includes identifying opportunities for improvement and making necessary changes.

PLN has a number of programs in place to improve its environmental performance. These include:

1. Wastewater and air pollution management: PLN has a number of measures in place to reduce wastewater and air pollution from its operations. These include installing wastewater treatment plants, using cleaner fuels, and improving operating practices.
2. Waste management: PLN has a system in place to manage its waste. This includes segregating waste, recycling, and composting.
3. Natural resource efficiency: PLN is working to improve the efficiency of its use of natural resources. This includes using renewable energy sources, conserving water, and reducing energy consumption.
4. Employee training: PLN provides training to its employees on environmental issues. This helps to raise awareness of environmental concerns and to ensure that employees are equipped to operate in an environmentally responsible manner.

PLN is committed to continuous improvement of its environmental performance. The EMS provides a framework for achieving this goal and for ensuring that PLN’s operations are environmentally sustainable.

2. Solid Waste Management

PLN is committed to managing its solid waste in an environmentally responsible manner. PLN has a number of programs in place to reduce, reuse, and recycle solid waste. These include:

1. FABA management: PLN utilizes FABA to produce a variety of products, including bricks, concrete, and road fill
2. Hazardous waste management: PLN has a system in place to manage hazardous waste. This includes segregating waste, storing it in secure containers, and transporting it to approved disposal facilities.
3. 3R program: PLN is implementing a 3R program (reduce, reuse, recycle) for non-hazardous waste. This program encourages employees to reduce the amount of waste they produce, reuse materials whenever possible, and recycle materials that cannot be reused
4. Other initiatives: PLN is also implementing a number of other initiatives to reduce solid waste, such as using water gallons instead of plastic bottles, promoting paperless work, and using double-sided paper.

3. Effluent Management

PLN commited to improve environmental performance, particularly in effluent management. PLN manages effluent by treating it from both operational and non-operational processes at the plant. The effluent is directed to the treatment plant to enhance its quality, ensuring compliance with environmental standards.

PLN has conserved the effluent by implementing 3R programs. The company already mandated all business units to use water efficiently to decrease the amount of wastewater produced in the operational activities, including generation, transmission, and distribution. PLN also recycled the wastewater by implementing tertiary treatment to produce a better quality of water. The treated wastewater will be reused for non-potable purposes, such as cooling towers, boilers make-up, toilet flushing, landscape watering, and leak detection.

Effluent management, including measurement and reporting of issues, is regularly documented and updating every month.

4. Emergency Response Programme

PLN has a comprehensive emergency response program in place to deal with a variety of potential emergencies, including natural disasters, environmental pollution, and environmental damage. The program includes the following elements:

1. Establishment of an emergency response team: Each unit of PLN has an emergency response team, with expertise in disaster management and electricity generation, transmission, and distribution, that is responsible for coordinating the response to an emergency
2. Development of emergency response plans: Each unit has emergency response plans that detail the steps that will be taken in the event of an emergency. The plans are based on the specific risks that the unit faces. PLN has implemented Board of Directors regulation No. 072.P/DIR/2021, which outlines guidelines for implementing disaster management. The policy aims to provide effective, planned, integrated, coordinated, and comprehensive disaster management that protects employees, their families and communities within the PLN business area from disaster risks and ensures optimal delivery of PLN’s electricity service.
3. Training of employees: All employees of PLN are trained in emergency response procedures. This training helps to ensure that employees know what to do in the event of an emergency. According to Board of Directors Regulation No. 072.P/DIR/2021, the PLN Taruna team must carry out activities such as debriefing, education, and training on disaster mitigation concepts, in order to implement disaster management effectively.
4. Communication and coordination: The Board of Directors’ Regulation No.119.P/DIR/ 2017 explains the mechanism for Coordination of Communication and Information Submission which is carried out in stages both for PLN’s internal and external needs including communication and dissemination of information on early warning of disasters, occurrence of disasters, up to the implementation of disaster management.
5. Investigation of incidents: PLN investigates all incidents to determine the cause and prevent future occurrences.

To anticipate the risk of emergency events from environmental management activities, PLN has the emergency response procedures, which are:

• Procedures that prepared at the planning stage before an activity is conducted to managed the wastewater disposal, water use, emission disposal, solid waste and B3 management, as well as environmental traffic.
• The Integrated Procedure on Emergency Preparedness and Response (PTHSSE-13) that created as part of the manual procedure for the Health, Safety, and Environment Division (DIVK3L) Integrated Management System.

5. Hazardous Waste Management

All PLN units have facilities for storing hazardous waste equipped with Technical Details of Hazardous Waste Storage and Environmental Approval documents. PLN also collaborates with hazardous waste management third parties who have Environmental Approvals related to hazardous waste management, including collect, transport, utilize, treatment and landfills.

1. Initiatives to reduce hazardous waste
   

   PLN is committed to reducing its hazardous waste by implementing several initiatives, including:

   • Oil purifier technology for used transformer oil
     Oil purifier is an equipment to clean and purify insulation oil that has been utilized in power transformers with an aim to remove contaminants such as water, gas, solid particle, and organic compound contained in the transformer oil. With an oil purifier, insulation oil can be reused, so the lifespan of the oil will be much longer and the waste disposal into the environment can be minimized.

   • Modification of process equipment
     PLN modified equipment and process to reduce hazardous waste generated from operation of the electricity generation activities. Equipment modification involves installing more efficient and environmentally friendly technologies, such as the use of filters. Meanwhile, process modification includes changes in the way of operation or operational procedures or substitution of materials to reduce the generation of hazardous waste.

   • Regeneration of used resin
     PLN implemented a regeneration process for used resin that is utilized for water treatment in wastewater treatment plants. With regeneration process, resin will be purified and reutilized in the water treatment process. Therefore, the regeneration process will also optimize the utilization of resources and reduce the reliance of new resin.
   • Substituting hazardous waste packaging to more sustainable
     PLN has substituted hazardous waste packaging into materials that can be reused or utilized for long term, such as tank to contain hazardous waste in solvent or liquid form.
   • Modification of wastewater treatment plant
     PLN has adjusted the wastewater treatment plant (WWTP) to reduce hazardous waste sludge by modification WWTP separator with the Parallel Plate Separator method. This modification involves increasing the labyrinth area to capture sludge, as well as adding a Sludge Drying Bed with Fiberglass and applying a Filter press to handle the HSD sludge.
2. Initiatives to reuse hazardous waste
   

   PLN is committed to reusing its hazardous waste by repurposing used batteries for solar cells. Batteries that still have sufficient capacity to store energy can be utilized for storing the energy generated by solar panels. This initiative enhances the efficiency of solar energy utilization.

3. Initiatives to recycle hazardous waste
   

   PLN is committed to recycling its hazardous waste by implementing several initiatives, including:

   • The utilization of gypsum as a raw material for cement mixture
     Gypsum is commonly mixed with cement to control hardening time and enhance strength and quality. The utilization of hazardous waste gypsum will reduce the dependency on new raw materials and minimize waste disposal into the environment.
   • The recycling of used lubricating oil
     PLN has collaborated with external stakeholders to recycle used lubricating oil into new oil that meets with specification and industrial standards. This initiative reflects the company’s strong commitment to sustainable waste management and the circular economy, demonstrating that with suitable technology, industries can operate more responsibly towards the environment.
4. Initiatives to ensure proper disposal of hazardous waste
   

   PLN has effectively managed the hazardous waste generated during its operational activities at the plant. The waste, which includes oil waste, boiler crust, sludge, and hazardous waste storage, has been properly managed from its sources to the final disposal site.
   To ensure effective management, PLN has developed a hazardous waste management procedure, outlined in Procedure No. PT-HSSE-05 of 2019. This procedure governs various aspects of hazardous waste management, including identification, sorting, storage, transportation, management, and reporting.

5. Other Initiatives
   
   • Monitoring hazardous waste management monthly for parent units and Subsidiaries including hazardous waste management criteria in performance appraisal,
   • Developing a business process model (BPM) for reporting on the implementation of hazardous waste management,
   • Preparation of management procedures for hazardous waste, PCBs, and asbestos for the distribution network and work with international funding,
   • Awarding performance appreciation to units with successful achievements in reducing solid waste, effluent, emissions, and utilization of hazardous waste
   • Competition for the best HSSE implementation in the categories 3R implementation.

   All initiatives related hazardous management refer to Sustainability Report 2022 (pg. 109), and ESG Performance Report 2022 (pg. 53).

6. Non-GHG Air Emissions Programmes

PLN is committed to reducing non-GHG emissions from its power plants. The company has implemented a number of programs to achieve this goal, including:

1. Installation of air pollution control devices: PLN has installed a number of air pollution control devices, such as electrostatic precipitators (ESPs) and flue gas desulphurization (FGD) systems, to capture and remove pollutants from the emissions of its power plants.
2. Use of low-NOx burners: PLN is using low-NOx burners in its new power plants to reduce nitrogen oxide (NOx) emissions.
3. Minimizing dust and ash emissions: PLN is taking steps to minimize the potential for dust and ash emissions from its power plants, such as compacting coal in coal handling activities, spraying dust on coal stockpiles and ash yard, and plantation as a green barrier to community.
4. Installation of a continuous emission monitoring system (CEMS): PLN has installed a CEMS at all of its power plants which meets regulation to monitor the quality of emissions and identify any problems early on.
5. Routine maintenance of air pollution control devices: PLN performs routine maintenance of its air pollution control devices to ensure that they are operating properly and effectively reducing emissions.

These programs have been successful in reducing non-GHG emissions from PLN’s power plants. In 2022, the company’s non-GHG emissions intensity (the amount of emissions per unit of electricity generated) decreased by 10% compared to 2021.

PLN is committed to continuing to reduce its non-GHG emissions and become a green electricity provider. The company is planning to install more air pollution control devices, use more low-NOx burners, and develop new technologies to further reduce emissions.

The calculation of the non-GHG emission load taken from the Green and Gold-winning power plants is refer to Sustainability Report 2022 (pg. 97), and ESG Performance Report 2022 (pg. 55).

7. EMS Certification

We have obtained SNI ISO 14001:2015 Environmental Management System (SML) implementation certification until 2023, adjusted to the units implementing it. 54% had certified, which is 25 units out of a total of 46 units, which comprise 11 power plant units, 6 transmission units, 12 distribution units, 1 unit from the Research and Development Center, and 1 unit from the Center for Education and Training.