2020
- Launched new model (SL GH)
- Established a factory in Gunsan si
2019
- Launched 3MW high-capacity photovoltaic inverters
- Listed on KOSDAQ
2018
- Completed development and delivery of Ground Fault Relay(GFR)
- Completed development and delivery of ANTI-PID
- Delivered over 110MW ESS PCS
2017
- Completed development and delivery of ESS PCS [250~2000kW]
- Built a new office building in Cheoin-gu, Yongin, Gyeonggi-do
(Expanded production capacity to 500MW)