Analisis kelayakan finansial pengembangan sistem irigasi cakram otomatis bertenaga surya di Nusa Tenggara Barat
DOI:
https://doi.org/10.31028/ji.v10.i2.125-136Kata Kunci:
irigasi otomatis, tenaga surya, sistem irigasi cakram, Net Present Value, Internal Rate of Interest, Net Benefit Cost Ratio, efisiensi irigasi, produktivitas airAbstrak
Penelitian implementasi teknologi irigasi hemat air menggunakan sistem irigasi otomatis yang berbentuk emiter melingkar(cakram/cincin) bertenaga surya telah dilakukan. Untuk mengetahui kelayakan investasi pembuatan sistem irigasi cakram otomatis bertenaga surya, dilakukan analisis Net Present Value (NPV), Internal Rate of Interest (IRR), dan Benefit Cost Ratio (BCR). Suatu investasi dikatakan layak bila memenuhi kriteria sebagai berikut: (1) NPV lebih besar dari nol, (2) IRR lebih besar dari discount rate yang sedang berlaku, (3) BCR lebih besar dari 1. Hasil analisis menunjukkan bahwa sistem irigasi cakram otomatis bertenaga surya untuk pengembangan komoditas mangga, srikaya, anggur, dan cabe sangat layak untuk dilaksanakan, dengan nilai NPV dari investasi berkisar antara Rp 1.533.423,00 - Rp 21.995.452, nilai BCR antara 1,34 - 3,78, dan nilai IRR antara 17,38% - 34,10%. Implementasi sistem irigasi cakram otomatis bertenaga surya dengan pengembangan srikaya dan mangga paling layak dikembangkan di Pringgabaya dengan nilai NPV, BCR, dan IRR paling tinggi. Sedangkan implementasi irigasi cakram otomatis dengan hanya mengembangkan cabe tidak layak secara finansial karena nilai NPV < 0, nilai BCR < 1, dan nilai IRR < suku bunga 14%. Investasi pembuatan irigasi otomatis dengan sistem cakram rata-rata kembali modal pada tahun ke-4 hal ini tercermin dari nilai payback period (periode kembali modal).
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