Substation, Power Plant Electrical System Engineering and Design

Substation planning is also one of our main speciality. We are able to build substation with various configuration that fits the needs.

Quality substation design, planning and maintenance are critical to ensuring the continuous supply and quantity of electric power service. PT.SEP’s engineering can handle every aspect of substation design, from permitting and site planning, to equipment procurement, construction co-ordination and substation maintenance services. Whether you require new construction, minor upgrades or a major overhaul, the experienced team at PT.SEP’s engineering has the expertise to get the job done on time and on budget.

We have been building and installing substations for seventeen years in all over Indonesia. Please refer to our experiences for details. The photographs shown in this page are series of substations we have already planted in many different places all over the country.

We work closely with our clients to identify their specific requirements and implement cost-effective solutions for the high-performance and reliable operation of their power system.


– One-Line Diagrams and Construction Drawings
– Site Selection & Equipment Layouts
– Equipment Procurement
– Construction Coordination
– Relay, Control & Metering
– Protective Systems Coordination
– Grounding Systems
– Final Checkout, Start-up and Testing