September 10, 2025Jurnal Teknik ElektroOpen Access

Techno-Economic of Rooftop Solar Power Plants for Residential Customer in Indonesia

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Analysis shows improved financial metrics for larger grid-connected PV systems in homes, suggesting cost savings.

Significant cost savings occur with larger rooftop photovoltaic systems, leading to positive net present value.
For installations over 7.7 kWp, the payback period drops below 10 years, indicating better financial viability.
A discounted cash flow model was used, analyzing metrics like levelized cost of electricity and payback period.
Findings call for targeted incentives for smaller systems to enhance adoption and viability in Indonesia's solar market.

Putri et al. (2024) studied this question.

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