- CEO
- Safety Management Department
- Contingency Management Committee
- Carbon Neutral Committee
- Management Support Division
- Corporate Planning Department
- General Administration Department
- Digital Convergence Department
- Safety & Power Generation & Construction Division
- Power Generation Department
- Green Growth Management
- Power Construction Department
- New Business Division
- New & Renewable Energy Department
- Overseas Business Department
- Business Deregulation Center
- Procurement Department
- Auditor General
- Audit & Inspection office
- CEO
- Yeongheung Power Division
- Samcheonpo Power Division
- Bundang Power Division
- Yeongdong Eco Power Division
- Yeosu Power Division
- Goseong Power Division
- Gangneung Power Division
- Mutual Growth Department
- Technology Support Department
- New & Renewable Power Generation Department