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Herri Gusmedi

Osea Zebua

Alif Ghia Khairan

Ahmad Saudi Samosir

Abstract

An environmentally friendly source of energy is an urgent demand. Recent advances in solar technology, especially when combined with energy storage batteries, have generated high hopes for the potential of the solar energy revolution. However, in Indonesia, the deployment of solar panels in industrial environments is limited by policies that limit the power generation allowed. Permitted rooftop solar systems in the industrial sector, under the National Electricity Company (PLN) framework, are limited to 10%-15% of the connected electricity capacity. The study focuses on assessing the level of self-consumption in industrial-scale hybrid photovoltaic (PV) systems by exploring three scenarios: maximizing self-consumption, peak shaving, and utilizing batteries exclusively at night. The findings show that when solar panel capacity accounts for only 15% of peak load demand, the ratio of own consumption to total energy demand, known as the Self-Sufficiency Rate (SSR), reaches about 5.113%. However, assuming that the load data represents only 15% of the total actual load, the SSR increases significantly to 30.157%. This variation results from energy production that is aligned with energy demand. As a result, promoting policies that facilitate optimal utilization of solar panels and batteries is recommended to achieve higher levels of self-consumption and reduce dependence on conventional energy sources.

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