Engineering Analysis of Innovation and Water Tariff Structure in Solar-Powered Reverse Osmosis (RO) Desalination Plant: Case Study of Muara Angke
DOI:
10.33395/sinkron.v10i1.15954Keywords:
Innovation; Water Pricing; Solar-Powered Reverse Osmosis; Desalination System; Muara AngkeAbstract
Abstract: Background: Muara Angke experiences chronic clean water and energy shortages, motivating the installation of a solar-powered RO desalination system in 2024. Objective: This study analyzes the economic feasibility of solar-powered RO desalination by estimating clean water production costs based on solar energy economics. Method: A HOMER-based simulation integrates local solar irradiation data, system configuration, desalination load, and techno-economic component parameters. Results: Simulation results show that the photovoltaic system produces 58,900 kWh annually, fully supplying the desalination facility with a 100% renewable energy fraction, ensuring complete independence from fossil-based electricity. The optimized configuration enables continuous operation of the reverse osmosis unit with a capacity of 320 liters per hour, providing a stable clean water supply. Economically, the system has a Net Present Cost (NPC) of IDR 384,050,000, including investment, replacement, and operational costs. The Cost of Energy (CoE) is IDR 575.55 per kWh, resulting in a clean water production cost of IDR 17.27 per liter, significantly lower than diesel-powered desalination systems. Conclusion and Recommendation: The study concludes that solar-powered RO desalination is economically viable and environmentally sustainable, and it is recommended for replication in Indonesia’s coastal and remote regions to strengthen water and energy security.
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Copyright (c) 2026 Adam Mardamsyah, Gabriel Winandika Saragih, Ian Rosi Simanjuntak
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