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INDONESIA
Indonesian Journal of Energy
Published by Purnomo Yusgiantoro Center
ISSN : 25491016     EISSN : 2549760X     DOI : -
Core Subject : Science,
Energy
The journal covers research with a strong focus on energy economics, energy analysis, energy modeling, and prediction, integrated energy systems, energy planning, and energy management. The journal also welcomes papers on related topics such as energy conservation, energy efficiency, energy innovation, energy technology, biomass and bioenergy, renewable energy, electricity supply and demand, energy storage, energy in buildings, energy finance, energy law and on economic and policy issues, also provided such topics are within the context of the broader multi-disciplinary scope of energy.
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Articles 85 Documents
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The Impacts of Emission Reduction Targets in Indonesia Electricity Systems: An Energy-Economy-Environment Model Simulation Irsyad, Muhammad Indra al; Halog, Anthony; Nepal, Rabindra; Koesrindartoto, Deddy P.
Indonesian Journal of Energy Vol. 2 No. 2 (2019): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v2i2.42

Abstract

Climate change policy often contradicts the least-cost objective of electricity generation in developing countries. The objective of our study is to propose electricity generation mixes that can meet emission reduction targets in Indonesia. We estimate the optimal generation mix, costs, and emissions from three scenarios, namely existing power plant planning, and 11% and 14% emission reductions in Indonesia’s electricity sector. The estimations are based on linear programming, input-output analysis, and life-cycle analysis, integrated into an agent-based modeling (ABM) platform. The simulation results confirm the existing power plant planning, which is dominated by coal-based power plants, as the lowest-cost scenario in the short-term; however, this scenario also produces the highest emissions. Emission reduction scenarios have lower emissions due to a higher share of renewables and, therefore, the Indonesian electricity system is robust from fossil fuel price increases. In the long-term, costs incurred in the emission reduction scenarios will be lower than electricity generation costs under the existing power plant planning. Our findings should be a basis for re-evaluating energy policies, power plant planning, and the research agenda in Indonesia.
Modeling of Hydrogen Adsorption Phenomenon in Amorphous Silica Using Molecular Dynamics Method Abdurrahman, Muhammad Hanif; Fatriansyah, J. F.; Dhaneswara, D.; Kuskendrianto, F. R.; Yusuf, M. B.
Indonesian Journal of Energy Vol. 3 No. 1 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i1.44

Abstract

Hydrogen is one of the future source energy because it has environmentally friendly. However, there are still some problems in the storage method of hydrogen. In several studies, it was found that Silicon based material is a promising candidate as a hydrogen storage medium. In this study, the effect of various temperature and pressure to the adsorption of hydrogen on amorphous silica with molecular dynamics simulation using Lennard-Jones potential. In this simulation, the temperature that i used are 233, 253, 273 and 293 K with pressure at each temperature are 1, 2, 5, 10, and 15 atm. The simulations had successfully visualized and indicate that amorphous silica has a good hydrogen storage capability where temperature and pressure affect the amount of hydrogen adsorbed. At low temperature (233 K), the hydrogen concentrations are relatively high than at higher temperature. The best result of hydrogen capacity is 0.048116% that occurred at high pressure (15 atm) with low temperature (233 K) condition.*The paper has been selected from a collaboration with IPST and 7th ICFCHT 2019 for a conference entitled "Innovation in Polymer Science and Technology (IPST) 2019 in Conjunction with 7th International Conference on Fuel Cell and Hydrogen Technology (ICFCHT 2019) on October 16th - 19th at The Stones Hotel Legian, Bali, Indonesia"
Development of Carbon Based NPK Slow Release Fertilizer using Biochar from Oil Palm Empty Fruits Bunch Finalis, Era Restu; Sri Djangkung, Sumbogo Murti; Arfiana; Noor, Ilhamsyah; Suratno, Hadi; Rosyadi, Erlan; Saputra, Hens; Noda, Reiji
Indonesian Journal of Energy Vol. 3 No. 1 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i1.45

Abstract

Biochar is a solid material produced by thermochemical conversion of biomass under oxygen-limited conditions. It has a wide surface and contains many pores so that it can be used as a material for making fertilizer. Biochar based slow release NPK fertilizer was formulated and developed to reduce nutrient leaching and greenhouse gas emissions. In this research, biochar which was a by-product of biomass gasification using oil palm empty fruit bunches was processed to make slow release biochar NPK fertilizer. Sources of nitrogen (N) were derived from urea, phosphate (P) from diamonium phosphate (DAP) and potassium (K) derived from potassium chloride (KCl). Zeolite was added as a matrix to improve fertilizer characteristics. All materials were formulated to make slow release biochar NPK fertilizer used for red onion (Allium sepa) plant applications. Several micronutrients were also added including Mg (MgSO4 fertilizer) and S (ZA fertilizer) to support plant growth. The characterization of fertilizer products was carried out by using SEM, BET etc. to determine physical properties including surface area, pore volume, morphology and composition. Furthermore, biochar NPK fertilizer was applied to the red onion plant which was a high-value crop in Indonesia. The application of NPK biochar fertilizer on red onion plant showed its superiority compared to commercial NPK fertilizers. In addition, the use of Magnesium and sulfur micronutrients could support the growth of red onion bulbs so that they produced more and bigger bulbs.*The paper has been selected from a collaboration with IPST and 7th ICFCHT 2019 for a conference entitled "Innovation in Polymer Science and Technology (IPST) 2019 in Conjunction with 7th International Conference on Fuel Cell and Hydrogen Technology (ICFCHT 2019) on October 16th - 19th at The Stones Hotel Legian, Bali, Indonesia"
Design of Control and Human Machine Interface (HMI) for Proton Exchange Membrane Fuel Cell Kurniawan, Kurniawan; Budiman, Abdul Hamid; Hermawan, Ferri; Rahmawan, Anton
Indonesian Journal of Energy Vol. 3 No. 1 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i1.46

Abstract

Fuel cell is an electrochemical device that converts hydrogen and oxygen produces electrical energy continuously, water and heat as by product, which simultaneously. Proton Exchange Membrane Fuel Cell (PEMFC) operates with polymer electrolytes which are thin and proton permeable. Designing the control system, it is expected that the fuel cell operation could be in accordance with the predetermined process parameter design. In addition to the control system for fuel cell operations, a fuel cell protection or security system design is also carried out during operation in real condition. Referring to the block diagram or control system architecture and fuel cell operations that have been made, a detailed design will be made as a reference for the prototype of the control and protection system for operational and fuel cell testing and controlling. Making Standard operation procedure (SOP) is very helpful in the operation and avoids operating errors that can damage and harm caused.*The paper has been selected from a collaboration with IPST and 7th ICFCHT 2019 for a conference entitled "Innovation in Polymer Science and Technology (IPST) 2019 in Conjunction with 7th International Conference on Fuel Cell and Hydrogen Technology (ICFCHT 2019) on October 16th - 19th at The Stones Hotel Legian, Bali, Indonesia"
Thermoelectric Generator: A Source of Renewable Energy Fabracuer, Nicanor Jr; Cepe, Reymart; Ricafort, Neil Francis; Rosal, Rhoda Jane
Indonesian Journal of Energy Vol. 3 No. 1 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i1.47

Abstract

With the natural sources of energy such as fossil fuels is slowly depleting, it became a trend to find new sources of unlimited energy. Renewable source of energy is the best source of unlimited energy for it will be utilizing the resources around like solar, hydro, wind, and many more. One of those newly developed renewable sources utilizes the waste heat developed by individual machines. Since electrical generating machines that use combustion engines generate a considerable amount of waste heat energy from the exhaust gases. Hence, this study focused on waste heat energy harvester by the use of the thermoelectric generator. Thermoelectric power generation is based on a phenomenon called the Seebeck effect. When a temperature difference is established between the hot and cold junctions of two dissimilar materials, a voltage is generated. The heat flow circulation through the semiconductors causes a displacement of charge carriers. A larger delta temperature creates a larger electrical current, ideally, but it is coupled with the fact that a semiconductor is effective only on a temperature range making the thermoelectric generators operational on a limited delta temperature. Primarily, the device was composed of a thermoelectric module mounted on an aluminum plate and placed in an oven. The main objective of the study is to design a circuitry for the thermoelectric generator that aimed to generate a minimum of 20 watts in order to power an AC load. In order to validate the device fabricated, certain measurements needed to be taken during the operation of the prototype. Thus, this device is now a developing source of alternative energy with further studies and innovations for commercial purposes.*The paper has been selected from a collaboration with IPST and 7th ICFCHT 2019 for a conference entitled "Innovation in Polymer Science and Technology (IPST) 2019 in Conjunction with 7th International Conference on Fuel Cell and Hydrogen Technology (ICFCHT 2019) on October 16th - 19th at The Stones Hotel Legian, Bali, Indonesia"
Techno-economic Feasibility Analysis of Photovoltaic Charging Station for Electric Boats in Sabangko Island Indradjaja, B. D.; Ramadhani, B.; Günther, Phil. M.; Gunawan, P.
Indonesian Journal of Energy Vol. 3 No. 1 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i1.50

Abstract

Indonesia is the largest archipelago in the world. There are thousands of islands that are located far away from the grid that needs access to electricity. As a result, PV mini-grids have been installed in many remote islands. However, most of these PV mini-grids are under-utilized producing large amounts of unused excess energy. Since most of the inhabitants of these remote islands depend on fishing for their livelihoods, an idea was proposed to use excess energy from a PV mini-grid to power electric boats. This paper presents a techno-economic feasibility analysis of a PV charging station for electric boats using Sabangko Island in Makassar as an exemplary location. A detailed analysis of the existing system shows that there is enough excess energy to charge several boat batteries. The economic analysis shows that the LCOE of the project is quite low relative to other off-grid projects and the price of renting and charging a battery is still affordable.
Facing Indonesia’s Future Energy with Bacterio-Algal Fuel Cells Subadri, Intan; Satriyatama, Adhi; Budi, Ignatius D. M.
Indonesian Journal of Energy Vol. 3 No. 2 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i2.87

Abstract

The energy crisis has become a global issue that has plagued almost all parts of the world. MFCs (Microbial Fuel Cells) is an alternative technology because of its ability to convert waste into electrical energy. The bacterio-algal fuel cell (BAFCs) is kind of an effort for increasing the economic value and carbon capture capability of MFCs. In this case, algae used as a catholyte and organic substrate containing anode-reducing exoelectrogenic bacteria acted as anolyte. This research will examine the potential of algae in BAFCs as an alternative energy for Indonesia's future. By photosynthesis reaction, bacterio-algal fuel cells are operated in a self-sustaining cycle. It can be configured in single, dual chambers, and triple chambers. The performance of bacterio-algal fuel cells is strongly influenced by the bacterial and algae species in each compartment. Factors involved in bacterial-algal fuel cells are also analyzed and assessed: electrode materials, membrane, carbon sources, and algae pretreatment, including the operational parameter, such as pH and temperature. Bacterio-algal fuel cells are recommended to be used to convert algae into electricity by scaling-up and integrating the devices. Organic substrate could be obtained from municipal wastewater. Algae as by-product could be harvested and converted into certain products. Algal Fuel Cell is the solution to produce electricity and reduce CO2 pollution at the same time. Also, an algal fuel cell is potential for sustainable use in the future. By integrating the algal fuel cell in the factory that produces high-concentrated wastewater, the fuel cell can purify the wastewater so that it is safe to be drained to the environment and also can make an integrated electricity production for the whole factory. Some ways to improve the power production are proposed to improve the power generation from BAFCs since this technology offers clean, affordable, sustainable energy, and in-line with SDGs.
The Role of Fixed-Dome and Floating Drum Biogas Digester for Energy Security in Indonesia Budiman, Ibnu
Indonesian Journal of Energy Vol. 3 No. 2 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i2.88

Abstract

Since 2010, technological innovations for small-medium biogas digester in Indonesia were mainly dominated by two designs; 1. fixed-dome digesters as a strong technology and proven in other developing countries, 2. the floating drum digester made of fiberglass as a suitable design for Indonesia’s earthquake-prone geography. This study analyzes the effectiveness of these two-biogas technologies for energy security in the country, from the perspectives of stakeholders of biogas programs. The study draws on semi-structured interviews, reviews of policy and program reports and documentation, as well as academic literature. Data were collected from key institutions and other stakeholders related to biogas programs, e.g. ministries, local governments, businesses, civil society, and academics. These institutions provided their review on the effectiveness of fixeddome and floating drum biogas digester. This study found that the technological effectiveness and reliability of both biogas technological design are relatively the same. Both technological designs are found to have problems a few weeks after the installation in some regions. These issues were caused by a lack of enforcement to the standard of technological construction. In terms of contribution to energy security, both designs contribute to the sustainability, availability, and affordability aspects of the energy system in the country. The diversity of technological design supports the resilience of the energy system. As a way forward, more detailed monitoring and evaluation are required to check damaged biodigesters and maintain a good quality of construction of both designs, particularly in rural areas.
Can Energy Trading be a Solution for Indonesia’s Energy Mix Goal through Solar Energy? Berian, Zagy Y.; Kaulika, Vincent O.
Indonesian Journal of Energy Vol. 3 No. 2 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i2.89

Abstract

Climate change has gotten more and more serious worldwide. To secure the future for our next generation, we need to change the way we use and consume energy from a cleaner source. In Indonesia, this effort is shown through Presidential Regulation No. 22/2017, or general planning of national energy (RUEN) indicates that Indonesia’s government is targeting 23% of energy mix via solar power. However, today, through various industries and consumers level adoption, it is still hard to achieve. The consumer study by Institute for Essential Services Reform (IESR) found that the main issues for the adoption in Jabodetabek are due to lack of consumer incentive, lack of clear benefits of electricity reduction, and poor education about how to install solar power on the consumer level. Throughout this paper, the authors are going to propose a way for energy trading to solve such issues from a top-down perspective. It will start from how the current condition at the consumer level is, the potential scenario, stakeholder benefits analysis, potential location case study, to the commercialization through economic analysis. To achieve the goal of incentivizing customer yet still creating economic sense for the potential investors, which we use state-owned electricity company (PLN) as an example to provide alternatives to a larger scale power plant investment, we experiment on multiple profit sharing mechanisms and scenarios. By varying the profit-sharing factor, we get that 35%-65% profit sharing mechanism gives PLN an acceptable payback period and decent profit margin while can still incentivize the customer. From this study on, we can further study the customer buy-in (incentive level) elasticity in correlation with the variation of profit share that is still profitable for the investor or PLN before deciding on the policy.
Biomass Waste and Low Rank Coal Gasification Technology with Carbon Capture System to Optimize A Clean Energy Production as An Alternative Solution to Achieve Energy Security in Indonesia Baskoro, Ardian N.; Aptari, Odara E.
Indonesian Journal of Energy Vol. 3 No. 2 (2020): Indonesian Journal of Energy
Publisher : Purnomo Yusgiantoro Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33116/ije.v3i2.90

Abstract

A shift into a more developed country means an increase in various aspects of economy, energy, social, and even environment. For Indonesia, a major change that the country needs to face is the increase of energy demand of 7% every year, reaching a final average expected energy consumption of 497.77 MTOE in 2050. In order to fulfil all upcoming energy demands and achieve energy security, it is crucial to utilize the available abundant resources that the country possesses. Two of these potential resources include coal (22.6 billion tons) and biomass (32.6 GW). Gasification is an alternative clean technology that can utilize low rank coal or biomass to convert it into syngas. The quality of syngas was characterized using the H2/CO ratio parameter. The greater the carbon density in a material, the greater H2/CO ratio will be. However, syngas produced from conventional gasification still emits CO2. Since CO2 is still emitted in coal gasification technology, a carbon capture system called HyPr-RING process is implemented as an alternative to reduce CO2 and increase the quality of syngas up to 91% volume of H2. The process uses CaO as a sorbent to capture CO2 and convert it into CaCO3 in a gasifier. Then, the CaCO3 is calcinated in a calciner to release back CaO that is recycled to capture more of the CO2. Aside from the high availability of coal and biomass, CaO as a major substance used in the CO2 capture process is also abundant in Indonesia (2,156 billion tons). This technology innovation is also economically feasible as it creates a net profit of USD 58,215 and ROI of 11%.

Page 3 of 9 | Total Record : 85

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