Optimasi Sistem Pembangkit Listrik Tenaga Surya (PLTS) Terintegrasi Grid pada Workshop Teknik Elektro Universitas Negeri Medan Berbasis Data Beban Aktual dan Evaluasi Kinerja Ekonomi Menggunakan HOMER Pro
Abstract
Penelitian ini bertujuan untuk mengoptimasi sistem Pembangkit Listrik Tenaga Surya (PLTS) terintegrasi grid pada Workshop Teknik Elektro Universitas Negeri Medan (UNIMED) berdasarkan data beban aktual serta mengevaluasi kinerja ekonominya menggunakan perangkat lunak HOMER Pro. Data beban diperoleh melalui pengukuran langsung selama jam operasional gedung, yaitu pukul 08.00 hingga 17.10, dengan total daya terpasang sebesar 183,507 kW. Sistem yang dimodelkan meliputi komponen utama berupa modul fotovoltaik, konverter, dan jaringan listrik (grid) dengan parameter ekonomi yang disesuaikan terhadap kondisi riil. Proses simulasi dilakukan untuk menentukan konfigurasi sistem optimal berdasarkan nilai Net Present Cost (NPC) dan Cost of Energy (COE). Hasil simulasi menunjukkan bahwa sistem PLTS dengan kapasitas tertentu mampu mengurangi ketergantungan terhadap jaringan listrik serta memberikan efisiensi biaya operasional dalam jangka panjang. Selain itu, pemanfaatan energi surya pada beban siang hari menunjukkan tingkat kontribusi energi terbarukan yang signifikan terhadap kebutuhan energi gedung. Penelitian ini diharapkan dapat menjadi acuan dalam perancangan sistem PLTS skala gedung pendidikan dengan pendekatan berbasis data aktual dan optimasi berbantuan perangkat lunak.
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