Global Smart Energy & Solar EPC Partner
Innovating Sustainable Power Solutions for a Greener Tomorrow
Grounded in verified engineering capabilities, sound corporate finance, and certified safety management standards.
5+ Nations
Global Project Footprint (Southeast Asia & Africa)
KW 5.34B+
2025 Construction Capability Evaluation
BBO / SH3
Credit Rating (SCI) & Health & Safety Rating
100 MW+ &
200+ Projects
Cumulative Solar Installation
ONE POWER Co., Ltd. is a premier renewable energy enterprise delivering turnkey power solutions across solar photovoltaic (PV) engineering, smart grid integration, and electrical infrastructure. Built upon a solid foundation of technical excellence, operational transparency, and financial stability, we lead the energy transition by deploying high-efficiency Solar EPC, advanced IoT-based remote telemetry systems, and cross-border clean energy developments.
From initial feasibility assessment and engineering design to tier-1 equipment procurement, precision construction, and long-term asset management, ONE POWER powers a cleaner, more sustainable future for commercial clients, public institutions, and global communities.
Comprehensive Energy & Infrastructure Services
Delivering integrated, turnkey solutions engineered to maximize energy output and ensure operational reliability throughout the project lifecycle.
TURNKEY SOLAR EPC
ELECTRICAL & TELECOM
SMART ENERGY STORAGE
ASSET OPTIMIZATION
End-to-End Solar Solutions
Industrial Power Networks
Utility-Scale BESS Systems
Automated O&M Operations
WHY ONE POWER?
Patented Technology & R&D
Driven by our dedicated R&D Center, we hold structural mounting patents that reduce rooftop installation time by 20% and generation algorithms boosting annual electricity yields by 15%+.
Certified Safety & Stability
Licensed Electrical Contractor (Gwangju-01009), ISO 45001:2018 Certified Occupational Health & Safety Manager, Energy Service Company (ESCO), and Certified Venture Enterprise.
Tier-1 Strategic Alliances
Strategic partnerships with KEPCO KDN, LS Electric, KT, Hanwha, and Hyosung, reinforced by our affiliate network spanning electrical safety, trading, and environmental engineering.
Engineering Excellence, Uncompromised Reliability.
Seamless Execution from Concept to Grid Interconnection
Feasibility Study & Consulting
Precision Engineering & Licensing
Tier-1 Procurement & Turnkey Construction
Grid Interconnection & Smart O&M
We conduct rigorous site surveys, solar irradiation simulations, shading assessments, and local regulatory reviews. Our team delivers precise ROI modeling and financial feasibility analysis tailored to your specific energy goals.
Our in-house R&D and engineering experts design customized structural and electrical blueprints utilizing patented mounting solutions. We manage all municipal licensing, environmental reviews, and grid connection approvals seamless.
Leveraging direct manufacturing capabilities and tier-1 partner networks (LS Electric, Hanwha), our certified engineers execute civil works, structural assembly, and high-voltage wiring under strict ISO 45001 health and safety management.
Following grid commissioning, we activate our patented IoT remote monitoring system. We provide 24/7 real-time yield tracking, automated fault detection, and long-term preventive maintenance to ensure maximum lifetime plant performance.
Guaranteed 48-Hour RFQ Response
Provide your project specifications and receive a comprehensive quotation within two business days. Our engineering team is ready.








