| 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. |
| 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. |
| 2015 |
Establishment of Sermsang Power Corporation Limited (SSP) to expand the renewable energy production and procurement business. |
| 2017 |
Sermsang Power Corporation Limited (SSP) was listed on the Market for Alternative Investment (mai). |
| 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. |
| 2019 |
Expanded investment in the solar rooftop business in Thailand, Indonesia, Vietnam, and Mongolia. Solar power plants in Vietnam (“Binh Nguyen Solar”) and Mongolia (“Khunsight Kundi”) commenced operations. Investment in biomass power plant in Thailand (“Uni Powertech”) with 9.9 MW capacity. |
| 2020 |
Solar power plant in Japan, the “Yamaga” project, commenced commercial operations with an installed capacity of 34.5 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 with 48.0 megawatts. |
| 2022 |
Invested in wind power plant project in Thailand, the “Romklao Wind Farm” with 45.0 MW stake. Divested the solar power plant in Japan, the “Hidaka” project. |
| 2023 |
Acquired additional shares in the “Binh Nguyen Solar” project in Vietnam, increasing stake to 100%. Expanded investment in the flexible packaging business. |
| 2024 |
Further invested in the “Romklao Wind Farm” project in Thailand, increasing stake to 100%. |
| 2025 |
Commenced commercial operations of the Leo 2 Solar power plant, with an installed capacity of 22 MW. |
