Indonesia is pushing the implementation of renewable energy to meet its climate action target. Solar energy is abundant, and its utilization is prioritized, including rooftop solar power plant (RSPP). This research presents a techno-economic analysis of an RSPP installed in a mosque in Ngombol subdistrict, Purworejo district, Central Java, Indonesia. This article also introduces and explains the regulation of RSPP and electricity tariffs in Indonesia, which define the economics of RSPP. This study employs an operational and financial model to analyze RSPP in five scenarios. The RSPP design objective is to reduce the annual energy usage of the mosque and yield the highest Net Present Value (NPV). According to the result, RSPP at all configurations based on the type and number of panels yield negative NPVs at the current electricity tariff, costs of components, and regulations implemented concerning RSPP. Proposed policy adjustment modeled through different scenarios provide benefit to some extent, limited by other policies. Hence, a combination of different policy adjustments may be required to achieve the most optimal condition for RSPP implementation on the mosque rooftop. This study could help policymakers to understand the possible directions of policy design for faster PV implementation.
AbstrakNamun demikian, di Kota Yogyakarta, permukiman kumuh tercatat mencapai 278,7 hektar atau setara dengan 8,17 persen luas wilayah. Dari jumlah wilayah kumuh tersebut, 90 persen di antaranya berlokasi di bantaran sungai .
Volume 7 Nomor 2 Juni 2015Jurnal Sains dan Teknologi Lingkungan 109
Kunjungan Wisatawan YogyakartaDalam bidang pariwisata, Yogyakarta memiliki banyak tempat wisata, baik wisata alam, budaya, religi, belanja, kuliner dan sebagainya. Dengan potensi wisata yang cukup lengkap, Yogyakarta juga banyak memberikan daya tarik tersendiri bagi wisatawan antara lain, alam sekitar jogja yang indah, budaya yang masih asli dan kental dimana budaya modern dapat berbaur dengan budaya tradisonal serta keramahan warganya yang membuat Yogyakarta semakin diminati wisatawan domestik dan mancanegara.
The spatial changes of a traditional area, especially at Tarok Nagari, Kepala Hilalang, Padang Pariaman Regency, West Sumatra, which is called rantau, found problems related to differences in the definition of the area, boundaries, location settings, and development of patterns that were formed far from the control of the Mamak Pusako (the head of a tribe) to collective inheritance. With the changes in spatial planning that occur, it is necessary to study spatial changes to optimize the potential for spatial planning, especially in traditional areas that are hereditary. The method used is a normative approach to customary inheritance through qualitative and quantitative analysis for mapping inheritance patterns with behavior-mapping techniques. Strengthening data from informants regarding the description of regional development is carried out with the support of Design Guidance Structure theory, land use triangle theory, regulations, and related literature. Space syntax theory is used to analyze patterns that occur before the study is carried out. Temporal data based on the period before and after the land inheritance process were obtained through interviews with indigenous peoples' leaders and resource persons as well as literature studies on related Tanah Adat. The research results on inheritance land spatial planning based on the customary law approach (ulayat) provide ambiguity in the spatial and setting arrangements. Meanwhile, the Space Syntax theoretical approach shows the existence of a network from the development of functions and the potential for access. Where Mamak Pusako cannot see this process, it raises the issue of lack of spatial control and development.
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