Milestones
The journey
of renewable energy
and sustainability
2010
Sermsang Power Corporation Limited (SPN) was established with a registered capital of 10 million baht, along with a commitment to becoming a leading Asian energy company, a sustainable energy producer.
2010
Sermsang Power Corporation Limited (SPN) was established with a registered capital of 10 million baht, along with a commitment to becoming a leading Asian energy company, a sustainable energy producer.
2010
2013
Sermsang Power Corporation Limited (SPN) signed a Power Purchase Agreement with the Electricity Generating Authority of Thailand (EGAT) for a solar power project in Lopburi Province with an installed capacity of 52 megawatts.
2013
Sermsang Power Corporation Limited (SPN) signed a Power Purchase Agreement with the Electricity Generating Authority of Thailand (EGAT) for a solar power project in Lopburi Province with an installed capacity of 52 megawatts.
2013
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A major step
on the path to success
2015
Establishment of Sermsang Power Corporation Limited (SSP) to expand the renewable energy production and procurement business.
2015
Establishment of Sermsang Power Corporation Limited (SSP) to expand the renewable energy production and procurement business.
2015
2017
Sermsang Power Corporation Limited (SSP) was listed on the Market for Alternative Investment (mai)
2017
Sermsang Power Corporation Limited (SSP) was listed on the Market for Alternative Investment (mai)
2017
2019
Sermsang Power Corporation Limited (SSP) moved to be listed on the Stock Exchange of Thailand (SET).
2019
Sermsang Power Corporation Limited (SSP) moved to be listed on the Stock Exchange of Thailand (SET).
2019
Expanding
energy horizons globally
2018
Two solar power plants in Japan, the “Hidaka” project and the “Zouen” project, commenced commercial operations with a total installed capacity of 29.0 megawatts for both projects.



2018
- Two solar power plants in Japan, the “Hidaka” project and the “Zouen” project, commenced commercial operations with a total installed capacity of 29.0 megawatts for both projects.
- Solar power plant in Thailand, the “WVO” project commenced commercial operations with an installed capacity of 5.0 megawatts.
- Expanded investment in the solar rooftop business in Thailand. The first project commenced commercial operations.
2019
Expanded investment in the solar rooftop business in Indonesia. The first project commenced commercial operations.



2019
- Expanded investment in the solar rooftop business in Indonesia. The first project commenced commercial operations.
- Solar power plant in Vietnam, the “Binh Nguyen Solar” project commenced commercial operations with an installed capacity of 49.6 megawatts.
- Solar power plant in Mongolia, the “Khunsight Kundi” project commenced commercial operations with an installed capacity of 16.4 megawatts.
- Expanded investment in the biomass power plant project development business in Thailand, the “Uni Powertech” project with an installed capacity of 9.9 megawatts.
2020
Solar power plant in Japan, the “Yamaga” project commenced commercial operations with an installed capacity of 34.5 megawatts.
2020
Solar power plant in Japan, the “Yamaga” project commenced commercial operations with an installed capacity of 34.5 megawatts.
2020
2021
Solar power plant in Japan, the “Leo1” project commenced commercial operations with an installed capacity of 26.0 megawatts.



2021
- Solar power plant in Japan, the “Leo1” project commenced commercial operations with an installed capacity of 26.0 megawatts.
- Wind power plant in Vietnam, the “Tra Vinh” project commenced commercial operations with an installed capacity of 48.0 megawatts.
2022
Invested in a wind power plant project in Thailand, the “Romklao Wind Farm” project with an installed capacity of 45.0 megawatts, with a 25% stake.



2022
- Invested in a wind power plant project in Thailand, the “Romklao Wind Farm” project with an installed capacity of 45.0 megawatts, with a 25% stake.
- Divested the solar power plant in Japan, the “Hidaka” project.
2023
Acquired additional shares in the solar power plant in Vietnam, the “Binh Nguyen Solar” project, increasing the stake to 100%.



2023
- Acquired additional shares in the solar power plant in Vietnam, the “Binh Nguyen Solar” project, increasing the stake to 100%.
- Expanded investment in the flexible packaging business.
2024
Further invested in the wind power plant project in Thailand, the “Romklao Wind Farm” project, increasing the stake to 100%.
2024
Further invested in the wind power plant project in Thailand, the “Romklao Wind Farm” project, increasing the stake to 100%.
2024
Towards a leader
in sustainability
2025
Towards a leader in sustainability
2025
Towards a leader in sustainability