All Operational & Maintenance in Rooftop PV System Energy Audit in PT. SAKA Indonesia Pangkah Limited Energy Audit in Santos Sampang PSC & Madura OffShore PSC Feasibility Study in 10 site of Pertamina Feasibility Study in 4 site of Pertamina Feasibility Study of Pondok Cabe Airport Construction of Rooftop PV System in 14 locations Boarding School in East Java Construction of Rooftop PV System 7 kWp in Sinarmas Klampis Surabaya Construction of Rooftop PV System 22 kWp in Sinarmas Diponegoro Surabaya. Construction of Rooftop PV System 24 kWp in PT. ISP Surabaya.