INTRODUCTION In recent years, Hazard Identification, Risk Assessment and Risk Control have become a major to the practice of planning, management and the operation of a business as a basic of risk management. Safety engineering is an engineering discipline which encourages that engineered systems provide acceptable levels of safety. Therefore, […]
Read more
PROBLEM STATEMENT In the process of filling or emptying an atmospheric chemical storage tank, it is important that adequate ventilation points are provided at the top of the roof tank to discharge or collect air. During the process of filling a tank with liquid, displacement of air inside the tank occurs, […]
Read more
The Batam system is located on the island of Batam in Riau Islands province. There is also a 150kV interconnector from GI Tanjung Kasam to the islands of Ngenang and Bintan (note that the interconnector is not shown in the network map below). At a Glance Operational systems: Batam, Ngenang […]
Read more
The Sulawesi Bagian Utara (or SULUTGO) system comprises the provinces of Sulawesi Utara and Gorontalo. At a Glance Operational systems: Sulawesi Utara and Gorontalo Operating voltages: 150kV, 20kV, 0.4kV Energy sales (2017): 1,550 GWh Peak load (2017): 384 MW (on 08 February 2017) Installed capacity (2017): 412 MW Firm capacity […]
Read more
The Kalimantan Barat or Khatulistiwa system is the only major interconnected system in the western part of Kalimantan. As of 2016, it has a 230MW cross-border interconnection to the Sarawak Electricity Supply Corporation (SESCO) system in Serawak, Malaysia. At a Glance Operational systems: Kalimantan Barat (Khatulistiwa) Operating voltages: 275kV, 150kV, […]
Read more
The Kalimantan Selatan, Tengah and Timur network currently comprises two separate systems that are expected to be interconnected by the end of 2017. The Barito system is located in the southeast part of Kalimantan (in Kalimantan Selatan and Kalimantan Tengah provinces) while the Mahakam system occupies east Kalimantan (in Kalimantan […]
Read more
The Sulawesi Bagian Selatan (SULBAGSEL) system is an interconnected network spread across three provinces – Sulawesi Selatan, Sulawesi Barat and Sulawesi Tengah. At a Glance Operational systems: Sulawesi Selatan & Barat (SULSELBAR) Palu / Sulawesi Tengah (SULTENG) Operating voltages: 275kV, 150kV, 70kV, 20kV, 0.4kV Energy sales (2017): 8,542 GWh Peak […]
Read more
The Sumatera interconnected system is the second largest electricity network in Indonesia, second only to the Jawa-Madura-Bali (JAMALI) grid, and covers the entire Sumatera mainland. At a Glance Operational systems: Sumatera Bagian Utara (SUMBAGUT) Sumatera Bagian Selatan & Tengah (SUMBAGSELTENG) Operating voltages: 275kV, 150kV, 70kV, 20kV, 0.4kV Number of customers: […]
Read more
The Jawa-Madura-Bali (JAMALI) system is by far the largest electricity network in Indonesia, accounting for around 75% of total energy sales and 69% of total generation capacity. The JAMALI system spans the three islands Jawa, Madura and Bali, and operates with a 500kV transmission backbone. At a Glance Operational systems: […]
Read more
As Indonesia is an archipelago consisting of thousands of islands, there are hundreds of standalone electricity networks that are operated by state-owned electricity utility PLN (or its subsidiaries). The largest of these networks is the Jawa-Madura-Bali system that spans across the islands of Jawa, Madura and Bali and has over […]
Read more