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All Journal Jurnal Teknologi Reaktor Nuklir Tri Dasa Mega Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Kurnia Anzhar
Badan Tenaga Nuklir Nasional
Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Materials Science & Nanotechnology

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Techno-Economic Assessment and Optimization of a Standalone System in Sebira Island, Indonesia Farah, Laili; Akhmad, Yus Rusdian; Saryadi, Rezky Mahardika; Mardha, Amil; Mudjiono, Mudjiomo; Nuryanti, Nuryanti; Anzhar, Kurnia; Handayani, Airine Hijrah
JURNAL TEKNOLOGI REAKTOR NUKLIR TRI DASA MEGA Vol 26, No 1 (2024): February 2024
Publisher : Pusat Teknologi Dan Keselamatan Reaktor Nuklir (PTKRN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/tdm.2024.7020

Abstract

Nuclear power is known as a baseload generator in central power networks, but its implementation is too large-scale for microgrid applications. Nuclear power as a source of electricity is considered for microgrid applications due to its ability to produce emission-free energy. This research discusses the techno-economic analysis and optimization of a hybrid energy system design on Sebira Island, Indonesia, using a multi-year model in HOMER Pro software. Two scenarios were created: diesel-PV-battery and the second scenario, nuclear-PV-battery, with the baseline system being a diesel generator (DG) only. The research results show that with the optimal use of the nuclear-PV-battery system, the levelized cost of electricity (COE) is $0.128. This value is lower compared to the first scenario with a COE of $0.6577. The CO2 emissions generated in the optimal nuclear-PV-battery system are zero, making this system far more viable than other hybrid system schemes.
Assessing Watershed Characteristics and Hydrological Response Using SWAT: A Case Study in the Raya Watershed, West Kalimantan Alhakim, Euis Etty; Bondan, Abimanyu; Iswanto, Eko Rudi; Anzhar, Kurnia; Indrawati, Yuni; Solihat, Sufiana; Setiawan, Muhammad Anggri
EKSPLORIUM Vol. 46 No. 1 (2025): MAY 2025
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/eksplorium.2025.11420

Abstract

The watershed is primarily influenced by land use and population activities within the watershed area. Along with the increasing number of people, there is the potential for land-use changes that lead to a change in the land's function. This condition can cause soil erosion in the upstream areas and potential flooding in the downstream area of the watershed. This study aims to determine the hydrology response based on watershed characteristics in terms of annual flow coefficient (AFC) and geomorphology. Geospatial hydrological modeling was built to assess hydrological characteristics using the SWAT (Soil and Water Assessment Tool). The analysis utilized primary data from field surveys and secondary spatial data, including geological maps, DEM, land use, soil, and daily rainfall, from 2013 to 2022. The study area covers the Raya Watershed in West Kalimantan. It was found in the Raya Watershed that open land use is prominent, with slopes ranging from sloping to steep in the upstream areas. The type of soil generally had porosity that did not support water absorption. These conditions caused more rainfall to be discharged as surface flow than absorbed into the soil. The AFC value during the study period ranged from 0.36 to 0.45, indicating a moderate hydrological response. Thus, groundwater storage in the watershed was very low. Consequently, the hydrological response of the watershed is unable to function optimally in its current condition. To overcome these problems, land conservation strategies, reforestation, and rehabilitation of old mine fields in upstream sub-basins are needed to reduce runoff and improve the watershed's ability to maintain a sustainable water balance.
Co-Authors Akhmad, Yus Rusdian Alhakim, Euis Etty Amil Mardha Bondan, Abimanyu Eko Rudi Iswanto Fachry Abda El Rahman Farah, Laili Handayani, Airine Hijrah Indrawati, Yuni Mudjiono, Mudjiomo Saryadi, Rezky Mahardika Setiawan, Muhammad Anggri Solihat, Sufiana