Techno-Economic Analysis of Hybrid Photovoltaic–Diesel system and PV Expansion on Karanrang Island
A Case Study from Indonesia
Keywords:
renewable energy, hybrid, Solar PV, PVSyst, Homer, LCOEAbstract
As an island nation, Indonesia faces many challenges transitioning from fossil fuels to renewable energy, especially in remote areas that rely on diesel power generatio. This study evaluates the techno-economic performance of a hybrid solar–diesel system with potential PV expansion for Karanrang Island, South Sulawesi, Indonesia. The research utilizes software tools such as HOMER Pro and PVSyst to model existing generation systems, simulate hybrid configurations with battery energy storage (BESS), and analyze economic viability. Results from the simulation show that a hybrid configuration integrating solar PV, diesel generator, and battery storage significantly boosts the renewable fraction to 55.8%, achieving the lowest net present cost (NPC) of USD 3.12 million and levelized cost of energy (LCOE) of USD 0.236/kWh. Expanding the existing solar PV capacity from 200 kWp to 326 kWp, combined with installing a 1,000-kWh battery energy storage system, is expected to ensure a continuous 24-hour electricity supply on Karanrang Island.
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