- February – Selected as a Participating Company in the 2024 Korea Energy Agency Deployment Support Program
- March – Obtained KS Certification for Solar PV Combiner Box (3ch)
- March – Registered a Patent for a Solar PV Combiner Box with Seismic Resistance and Fire Prevention Functions and Its Control System
- June – Recognized for Excellence in Electrical Safety Construction by the Korea Electrical Safety Corporation
- June – Obtained ISO 45001 Occupational Health and Safety Management System Certification
- August – Designated as a Dedicated A/S Service Provider for Renewable Energy Facilities by the Korea Energy Agency
- March – Selected for a Subsidy Program by the Korea Energy Agency
- Feb Selected as a participant in the 2024 Korea Energy Agency dissemination project
- Mar Acquired KS certification for PV combiner box (3ch)
- Mar Registered patent for PV combiner box with seismic and fire prevention functions and its control
- Jun Selected for electrical safety excellence construction (Korea Electrical Safety Corporation)
- Jun Acquired ISO 45001 occupational health and safety management system
- Aug Registered patent for solar system equipped with seismic and fire prevention functions and its control method
- Mar Selected as a participant in the 2023 Korea Energy Agency dissemination project
- Mar Acquired KS certification for PV combiner box (15ch)
- Apr Selected as an exclusive A/S provider for Korea Energy Agency
- Apr Selected as a participant in the 2022 Korea Energy Agency dissemination project
- Aug Selected as an exclusive A/S provider for Korea Energy Agency
- Feb Acquired KS certification for PV combiner box (10ch, 22ch)
- Feb Registered direct production confirmation (solar power generation system)
- Sep Registered patent for module detachment prevention structure
- Apr Registered patent for fire-prevention PV combiner box through intelligent temperature prediction
- Jan Selected as a participant in the 2020 Korea Energy Agency project
- Feb Registered patent for wind power generation system
- Jan Selected as a participant in the 2019 Korea Energy Agency project
- Jan Registered patent for integrated high-efficiency solar system
- Nov Applied for patent on solar structure for module detachment prevention
- Sep Patent for PV power generation combiner box
- Sep Registered patent for IoT PV combiner box
- Apr Established affiliated research institute
- Jan Selected as a participant in the 2018 Korea Energy Agency project
- Aug Registered with Public Procurement Service
- Jul Confirmed as venture business
- Apr Factory registration for The Jo Eun Energy
- Mar Relocated head office to Naju Innovation Industrial Complex
- Jan Selected as a participant in the 2017 Korea Energy Agency project
- Dec ISO 9001/14001 certification
- Nov Recognized as R&D department
- Nov Investment agreement with KEPCO in Naju
- Nov Changed company name to The Jo Eun Energy Co., Ltd.
- Sep Registered with Korea New and Renewable Energy Association
- Sep Registered electrical construction license
- Sep Registered as member of Electrical Contractors Association
- Sep Construction of head office and factory in Innovation Industrial Complex
- Jul Established corporate body of Cho Eun Renewable Energy Co., Ltd.