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Journal : ASEAN Journal of Systems Engineering

ENERGY MODELLING AND FORECASTING OF DAERAH ISTIMEWA YOGYAKARTA 2025 Eko Haryono; Deendarlianto -; Bertha Maya Sopha
ASEAN Journal of Systems Engineering Vol 2, No 2 (2014): ASEAN Journal of Systems Engineering
Publisher : Master in Systems Engineering

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Abstract

Daerah Istimewa Yogyakarta (DIY) is one of the provinces in Indonesia which does not have a backup or potential sources of non-renewable primary energy. The non-renewable energy demand until this time, such as oil,coal and gas is supplied from the outside. DIY is in Java Madura Bali (JAMALI) interconnerction system and has not had a large-scale power systems. While DIY has renewable energy sources such as hydro, solar, wind, wave and biomass energy. These renewable energy sources are alternative energy that have not been optimally used. The lack of reserve energy resources that resulting dependence of energy supply from other areas should receive special attention from DIY government. To meet energy demand, the energy resources development is required. Due to the energy resources development requires a long time and high cost, it is necessary to be supported by good planning in energy policy.The purpose of this study is to determine the balance of energy demand and supply of  DIY until 2025. Furthermore, the purpose of this study is to find out a mix number of renewable energy. The Indonesian government has launched a vision of 25/25 which expection in 2025, the mix number of renewable energy will be 25%.The results of this study indicate that in 2025, the Transportion Sector is the largest energy user sector in DIY at 52.37%, followed by Household Sector (32.70%), Commercial Sector (8.26%), Other Sector (4.64%), and Industrial Sector (2.04%). The high level of energy consumption in the Transportation Sector is caused by the increasing number of vehicles especially motorcycles and passenger cars considering DIY is a student and tourism city. In term of the type of energy used, in 2025, the gasoline is the greatest type of energy demand (41.8%), followed by LPG (23.97%), electricity (18.14%) and diesel oil (11, 74%). This indicates that the fuel oil is still the main energy source for the DIY community activities. When viewed from supply side, most of the energy needs in DIY are supplied from outside. If the development of enewable energy targets DIY reached, the renewable energy mix is obtained by 0.53 %.
ENERGY CONSUMPTION PROJECTION IN YOGYAKARTA CITY Septiana Ria Prihandita; Deendarlianto -; Rachmawan Budiarto
ASEAN Journal of Systems Engineering Vol 3, No 2 (2015): ASEAN Journal of Systems Engineering
Publisher : Master in Systems Engineering

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Abstract

Availability of energy is an important aspect for the success of regional development. Yogyakarta city does not have any non-renewable energy sources such as liquid fossil fuels, coal and natural gas. Consequently,these energy must be supplied from other provinces. The renewable energy potential in Yogyakarta city is not being utilized yet. Final energy consumption continues to rise along with population and economic growth.Energy planning and development need be done carefully in order to ensure the energy sustainability. This study aim to provide long-term projections in 2012-2025 periods on energy balance, energy demand andsupply based on energy reserves and current condition in order to meet energy elasticity to less than 1. Energy demand projection is calculated based on trend forecasting analysis by LEAP (Long-range Energy Alternatives Planning System).This result shows that the highest energy user sector in Yogyakarta city period 2012-2025 is transportation sector and the highest of energy demand by type is electricity and gasoline. Renewable energypotential such as biogas, solar energy, biomass and biodiesel (from using vegetable oil waste) could be developed in Yogyakarta city. Using biodiesel and solar energy could decrease diesel fuel and electricity.According to the baseline scenario, CO2 emission reached 2,176,182 tons, the first alternative scenario reached 1,925,089 tons and the second alternative scenario reached 1,877,839. Investment cost to build renewable energy in the baseline scenario reached USD 42,045 – USD 546,585. Investment cost to build renewable energy in the first alternative scenario reached USD 10,470,775 – USD 31,002,775. Investment cost to build renewable energy in the second alternative scenario reached USD 31,641,925 - USD 52,173,925.
Co-Authors . Agato Abd. Rasyid Syamsuri Achilleus Hermawan Astyanto Afisna, Lathifa Putri Agato, Agato Akhmad Zidni Hudaya Akmal Irfan Majid Al Huda, Luqman Al-amin, A. S. Aldy Franstanata Ritonga Alfeus Sunarso Alim Isnansetyo Alva Edy Tontowi Andhika Satria Pratama Anggita Gigih Wahyu Iriawan, Anggita Gigih Wahyu Ari Prasetyo Arif Widyatama Arirohman, Ilham Dwi Arista, E. P. Asroni Asroni Aswati Mindaryani Bambang Triyatmo Bardi Murachman Batubara, Yongki Benny Arif Pambudiarto Bertha Maya Sopha Budiman, A. A. Budiyanto, N. R. Calista Anjani Dwiputri Dannys Arif Kusuma Dedy Kurniawan Dodi Satriawan, Dodi Drajat Indah Mawarni Dwi Budi Santoso Dwi Yuliaji Eko Budiana Eko Nugroho Fahadha, Rizqa Ula Fajarningrum, Nurmala Dyah Farid Jayadi Fauzun Fauzun Fellando Martino Nugroho Fitrah Qalbina H. A. Gunawan, H. A. Hananto, Leila Hanjani Haslinda Kusumaningsih Heppy Kristiyani, Heppy I Indarto INDAH ISTIQOMAH Indarto Indarto Indarto - Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indarto Indro Pranoto Kharisma, Sunandi Khoirun Nisa Alfitri Kumara Ari Yuana Kurniawan, Dondi Kusumaningsih, Haslinda Lathifa Putri Afisna M. Fendy Kussuma Hadi Sufyan M. Juarsa M. Rian Alif Madani Mariyadi, S. A. Maryadi , Shendy Akbar Medha, Akbar Yuga Adhikara Muhammad Fakhri Alfath Mulya Juarsa Nissaraly H.F. Nugroho, Fellando Martino Oktaviandi, R. Oktaviandi, Ryan Okto Dinaryanto Pambudiarto, Benny Arif Pamungkas, A. E. Rachmawan Budiarto Raharjo, E. P. A. Rio Budiman Romi Novriadi Roy Waluyo Rudy Kurniawan Rustadi Rustadi Samsul Kamal Samuel Hartono Samuel Hartono Septiana Ria Prihandita Setiawan, P. H. Setya Wijayanta Shima Bhaskara Ayuningrum Sinung Rahardjo Sudarja Supriyanto Supriyanto Teguh Wibowo Teguh Wibowo Teguh Wibowo Thomas S. W. Untung Surya Dharma Untung Surya Dharma, Untung Surya Wakhid Hasyim Wenang Wibawa Endra Juwana Wibawa Endra Juwana, Wibawa Endra Widodo, Gilang Destya Wiratni Budhijanto Wiratni Budhijanto Wiratni Wiratni Wiratni Wiratni, Wiratni Yuliaji, D. Yundari, Yundari Yusuf Rahman