First Solar teams with Prime Road Group to complete 18 MW of solar in Thailand


First Solar has supplied its Series 4 thin-film PV modules to four solar sites across Thailand, delivering 158,500 modules amounting to 18 MW of solar capacity. The ground-mounted PV arrays are located in the country’s Ayutthaya and Pathum Thani provinces.

The U.S.-headquartered firm supplied the modules to Prime Road Group, a Thai developer of renewable energy projects that boasts a strong portfolio of completed installations in Thailand and Japan.

Engineering, procurement and construction (EPC) services were carried out by Bouygues-Thai Ltd, a subsidiary of the French Bouygues Group. All four locations were identified for their high levels of solar irradiation, with First Solar’s modules chosen due to their suitability to the local environment conditions.

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The thin-film panels boast a high temperature coefficient and improved shading and spectral response compared to typical crystalline solar panels. “The completion represents a significant installation of First Solar modules in Southeast Asia, and we congratulate Prime Road Group and Bouygues-Thai on the successful delivery of this milestone project,” said First Solar’s director of business development in Southeast Asia and China. “Our partnership with the Prime Road Group Co-Op Project reflects the value of First Solar technology in hot and humid climates such as Thailand, and we look forward to supporting future projects and the country’s renewable energy targets.”

Thailand’s Governmental Agency and Agricultural Cooperatives Program aims to support the country’s push towards 30% renewables penetration by 2036. These four solar farms were developed under this scheme, with the Provincial Electricity Authority of Thailand signing a 25-year power purchase agreement (PPA) with Prime Road Group for the solar power produced, at a rate of THB 5.66/kWh ($0.16/kWh).

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