| | DIRECTORS OFFICE | SECTIONS/ DIVISIONS/ UNITS | - | DIRECTOR'S OFFICE |
| | GENERATION | BRANCH UNIT | Responsible for the generation and continuous supply of electricity in an efficient and safe way. The section is also responsible for the safe operation and maintenance of the power stations under DES. | GENERATION |
| | DISTRIBUTION | BRANCH UNITS | Responsible for the transmission of electrical supply from the power stations to the consumers via DES electrical networks (66kV/11kV/415V/240V). The section is also responsible for the operation, maintenance, planning, upgrading of the transmission system and substations. | DISTRIBUTION |
| | CORPORATE SERVICES SECTION | UNITS | Responsible to provide management services and governance for the human resource. This includes the management of department expenditure and financial budget, management of the logistics procurement, management and planning of info-telecommunication system and technology.
| CORPORATE SERVICES SECTION |
| | CUSTOMER SERVICES | UNITS | Responsible for providing electrical connection services to for residential houses and commercial buildings. The section is also responsible to receive customer complaints and attend electrical outages.
| CUSTOMER SERVICES |
| | REVENUE MANAGEMENT | UNITS | Responsible to issue out electricity bill and invoices to customers, the collection of revenues from electricity sales, monitoring and analyzing both the electricity sales and payment. The section also provide counter services for customers to purchase of electrical token and make payment.
| REVENUE MANAGEMENT |
| | SYSTEM PLANNING AND PROJECT MANAGEMENT SECTION | UNITS | Responsible for planning and designing of the whole generation, transmission and distribution within DES electrical system. The section lead the electrical infrastructure project under the national project development (RKN) to strengthen the whole DES electrical system. The section also carry out research and analysis for the demand of electricity. | SYSTEM PLANNING AND PROJECT MANAGEMENT SECTION |
| | ASSETS & STORAGE MANAGEMENT FACILITIES SECTION | UNITS | - | ASSETS & STORAGE MANAGEMENT FACILITIES SECTION |
| | TRANSMISSION | UNITS | Responsible for the transmission of electrical supply from the power stations to the consumers via DES electrical networks (66kV/11kV/415V/240V). The section is also responsible for the operation, maintenance, planning, upgrading of the transmission system and substations. | TRANSMISSION |
| | FINANCE SECTION | UNITS | - | FINANCE SECTION |
| | STRATEGIC MATTERS | UNITS | - | STRATEGIC MATTERS |
| | SPECIAL PROJECTS DIVISION | UNITS | - | SPECIAL PROJECTS DIVISION |
| | REGULATORY & SAFETY COMPLIANCE UNIT | UNITS | - | REGULATORY & SAFETY COMPLIANCE UNIT |
| | RELAY PROTECTION UNIT | UNITS | - | RELAY PROTECTION UNIT |