IRPC Annual Report 2023

Green bond project IRPC recognizes the opportunity to develop projects for sustainability by issuing green bonds to finance such eco-friendly projects or support environmental conservation to build confidence among investors and stakeholders as well as to win support from relevant regulatory agencies. The 12.5 MW Floating Solar Power Project of IRPC Public Company Limited, which is located in the company’s reservoirs in Taphong Subdistrict, Mueang Rayong District, Rayong Province. Reservoirs 3, 4, 5 are used for water storage for water supply production. Rainfall and runoff are the main sources of water in the reservoirs. The solar panels are installed in the earthen reservoirs measuring approximately 74, 61 and 65 rai, respectively. Under the project, solar panels will be installed on the water surface in Reservoirs 3, 4, and 5, with installed capacity of 12.5 MW and 8.5 MW peak, generating direct current electricity which is then converted by an inverter into alternating current and sent to the transformer to increase the voltage from low voltage to high voltage of 6.6 kV and pass through the electricity meter to the electricity distribution system of the project to be sent to the factories in the IRPC industrial zone. IRPC operates 24 hours a day throughout the project life of 25 years. However, the solar panels used by the project have a service life of about 30 years. Project type Production capacity Location Power consumption Floating Solar Projects: Phase 1 12.5 MW Rayong Province 19,482 mWh Floating Solar Projects: Phase 2 (Ongoing) 8.5 MW Rayong Province 12,837 mWh Project type Investment budget (Million Baht) Total investment of the project Floating Solar Projects: Phase 1 539 Floating Solar Projects: Phase 2 (Ongoing) 211 Total 750 141 Business-Driven Sustainability 56-1 ONE REPORT 2023

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