Planning of On-Grid Solar Power System with Technical and Economic Analysis in the Polyfoam Production Building of PT. Hartono Istana Teknologi, KudusAM PRODUCTION BUILDING OF PT. HARTONO ISTANA TEKNOLOGI KUDUS. Jurnal Ampere, [S. l.], v. 11, n. 1, p. 107–115, 2026. DOI: 10.31851/ampere.v11.i1.18566. Disponível em: https://jurnal.univpgri-palembang.ac.id/index.php/ampere/article/view/18566. Acesso em: 24 oct. 2026.