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All Journal Jurnal Informatika dan Teknik Elektro Terapan Infotekmesin Jambura Journal of Electrical and Electronics Engineering Jurnal Konversi Energi dan Manufaktur Journal of Community Development and Disaster Management TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Journal of Social Sciences and Technology for Community Service
Yunesti, Putty
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Aerospace Engineering Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Analysis of Electrical Energy Consumption and Lighting Systems in PT X Lampung Office Buildings Naimah, Khoirun; Rahmatullah, Abri; Yunesti, Putty
Jambura Journal of Electrical and Electronics Engineering Vol 6, No 2 (2024): Juli - Desember 2024
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v6i2.25215

Abstract

Electricity plays a crucial role in the operations of companies and offices, as highlighted in the 2022 data from the Ministry of Energy and Mineral Resources. The commercial sector recorded an energy usage of 49.65 million BOE (Barrel Oil Equivalent) and 68.891 GWh of electricity consumption. Excessive use of electrical equipment leads to wastage, resulting in higher electricity bills. Thus, there is a need for an efficient system in both lighting and other areas, with efforts focused on enhancing energy efficiency through conservation.This Final Project aims to determine and analyze Energy Consumption Intensity (IKE) values, lighting systems, and identify opportunities for electricity consumption savings at the PT. X Lampung Office Building. The research method involves an initial energy audit and brief measurements on the lighting system. Results indicate that, out of 13 rooms on all three floors, only 5 meet the standards. The analysis identifies opportunities for electricity consumption savings, with a no-cost method at 8.1% and a low-cost method at 9.1%. These findings are expected to serve as recommendations for identifying energy-saving opportunities in Indonesian office buildings.
Perancangan Sistem Pembangkit Listrik Tenaga Surya (PLTS) Off-Grid Pada Gedung Perkuliahan: Design of Off-Grid Solar Power Plant System (PLTS) in Lecture Building Fauzsan, Achmad Yamani; Yunesti, Putty; Wardani, Wulan Kusuma; Soelami, FX Nugroho; Friansa, Koko; Bangun Persada, Guna; Wira Buana, Setiadi
Journal of Community Development and Disaster Management Vol. 7 No. 1 (2025): Journal of Community Development and Disaster Management
Publisher : Institut Agama Islam Sunan Giri Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37680/jcd.v7i1.6965

Abstract

Off-Grid Solar Power Plant (PLTS) system planning at Building F of the Sumatra Institute of Technology, South Lampung Regency, Lampung Province is one of the efforts or strategies in reducing the use of conventional electrical energy from the main supplier, namely the State Electricity Company (PLN), and helping to succeed the government's efforts to increase the consumption of new and renewable energy. In PLTS system planning, the aspects that will be analyzed in this research are technical aspects with the help of PVsyst software to collect data regarding technical indicators such as performance ratios and energy production generated by Off-Grid PLTS. In this research, the required land area is 52 m2 from a total of 930 m2 of available land. The simulation results show that the planned rooftop solar system has a capacity of 10.8 kWp using 24 units of AE SOLAR MC144 430-450 W type solar modules, with the capacity of each module being 450 Wp. The PLTS system uses 1 inverter with the type Victron Quattro 48/15000 (15 kW) with a capacity of 15,000 W and uses a battery with the type LUNA2000-15- S0 which has a capacity of 15 kW in each unit. In this study, the solar module received solar irradiation of 4,616 kWh/m2 per day and 1,684 kWh/m2 per year. The production obtained in this study amounted to 14,475 kWh per year. The percentage of the Performance Ratio (PR) value produced by the designed OffGrid PLTS system is 73.01%.
Co-Authors Adinda Sekar Tanjung Afit Miranto Alam Fathurochman, Alam Arirohman, Ilham Dwi Bangun Persada, Guna Buana, Setiadi Wira Dhiyah Ayu, Haogqea Elfrida Ratnawati Elsa Rizkiya Kencana Fauzsan, Achmad Yamani Fil’aini, Raizummi Friansa, Koko Harahap, Al Barra Hasbiyalloh, Hasbiyalloh Kusuma, Alfajar Puja Madi Madi, Madi Marsista Buana Putri, Marsista Buana Meilani Putri, Andina Naimah, Khoirun Nela Agustin Kurnianingsih Persada, Guna Bangun Prakoso, Yudhistira Alghifari Prasetyawan, Purwono Putri, Husna Tiara Rafi, Risfihan Rahmatullah, Abri Soelami, FX Nugroho Wicaksono, Rihardian Maulana Wira Buana, Setiadi Wulan Kusuma Wardani Zen, Muhammad Rizky