Power plants commonly utilize conventional fuel sources from natural gas (from production wells), coal or biofuel products to produce electricity. Who would have thought that a fuel source could also be found from a deepwater lake in Africa? This spectacular phenomenon is found at Lake Kivu, Rwanda. The lake encompasses […]
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Power systems consulting
Energy Audit- Definition, Method and Action Plans
Problem Statement There are many plants and facilities in Malaysia have been in operation for a long period of time. For instance, Sultan Salahuddin Abdul Aziz Power Station in Selangor was opened in March 1987, and it is still actively in operation. If operators do not perform regular check ups […]
Read moreSolar Wind Turbine Hybrid System with Battery-Supercapacitor as storage system
PROBLEM STATEMENT About 80% of the global energy supply depends on fossil fuels including coal, oil and gas. Consider that if fossil fuel demands increases, side effects toward the globe are bound to escalate. Hence, to acquire solution to this problem, alternative energy sources are needed to be urgently developed […]
Read moreIndonesia’s Electricity Systems – Sulawesi Bagian Utara
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 moreIndonesia’s Electricity Systems – Kalimantan Barat
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 moreIndonesia’s Electricity Systems – Kalimantan Selatan, Tengah & Timur
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 moreIndonesia’s Electricity Systems – Sulawesi Bagian Selatan
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 moreIndonesia’s Electricity Systems – Sumatera Interconnected System
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 moreIndonesia’s Electricity Systems – Jawa-Madura-Bali System
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 moreIndonesia’s Electricity Systems – Overview of the Major Grids
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 […]
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