EnerCoSS over the past 4 years has conducted several Energy Audits with significant energy performance achievements including:

1. PT. Indominco Mandiri – Energy Audit Lv1
2. PT. Frisian Flag Indonesia (FFI) site PS. Rebo – Energy Audit Lv1
   
3. PT. Frisian Flag Indonesia (FFI) site Ciracas – Energy Audit Lv1
   
4. PT. Great Giant Pineapple – Boiler and Compressor Audit;
5. Premier Oil Indonesia – Energy Audit Lv2 FPSO dan Platform;
6. PT. Perusahaan Gas Negara, Tbk – Optimasi Proses dan Analisis Life Cycle Cost
7. PT. Pertamina (PERSERO) DPPU Supadio – Energy Audit Lv1
8. PT. Perusahaan Gas Negara, Tbk – Optimasi Proses dan Analisis Life Cycle Cost Tahap 2
9. PT. Indofood Sukses Makmur, Tbk – Steam System Optimation Batch 1
10. PT. Indofood Sukses Makmur, Tbk – Steam System Optimation Batch 2
11. PT. Indofood Sukses Makmur, Tbk – Compress Air System Optimization
12. PT. Semen Padang – Compressed Air System Optimization, Pump System Optimization & Fan System Optimization
13. PT. Cogindo DayaBersama –  AMS ISO 55001 Consultation & Implementation
14. Medco EP Offshore Belanak FPSO – Energy Audit Gas Turbine Generator dan Export Gas Compressor;
15. PT. Givaudan Indonesia – Energy Audit Chiller Water System;
16. PT. Finusolprima Farma Internasional (FIMA) – Energy Audit Chiller System
17. PT. Indofood Sukses Makmur Tbk. Divisi Bogasari Flour Mills I Surabaya – Energy Audit Level 1 Plus Proses Mill, Steam System, dan Compressed Air System
18. Premier Oil Natuna Sea BV – Energy Audit Lv 1 Gas Turbin Compresor & Gas Turbin Generator – Anoa AGX, Gajah Baru dan FPSO;
19. PT. Cirebon Electric Power – Energy Audit & Water Audit Lv 1 Plus, Supercritical Boiler, Turbin, Auxilary Power dan Bangunan Gedung
20. PT. Indocement Tunggal Prakarsa Tbk. Citeureup Plan – Quality Assurance (QA) Energy Audit Kiln dan Motor Listrik
21. PT. Indocement Tunggal Prakarsa Tbk. Tarjun Plan – Quality Assurance (QA) Energy Audit Kiln dan Motor Listrik
22. Angkasa Pura I Bandara I Gusti Ngurah Rai Bali, Operasional Terminal Domestik – Energy Audit Lv1
23. Angkasa Pura II Operasional Bandara Terminal 3 Ultimate – Energy Audit Lv1
24. PT. Indolakto Sukabumi – Energy Audit Level 1 Plus Boiler Steam System
25. PT. Nunukan Jaya Lestari – Energy Audit Level 1 Plus
26. PT. Pertamina (PERSERO) DPPU Supadio – Energy Audit Lv1
27. PT. Reckitt Benckiser Indonesia – Water Audit Lv2
28. PT. Indorama Polychem Indonesia – Energy Audit Lv2
29. PT. Pupuk Kalimantan Timur – Energy Audit Lv2
30. PT. Kaltim Parna Industri – Energy Audit Lv1
31. PT. Asahimas Group – Energy Audit Lv1
32. PT. Apparel One Indonesia – Energy Audit Lv1
33. PT. Frisian Flag Indonesia – Chiler, Compressor and Motor Audit;
34. PT. Perusahaan Gas Negara (PGN) – Gas Engine dan Gas Turbine Compressor Audit;
35. PT. Pertamina (PERSERO) MOR VI Balikpapan Depot Pengisian Pesawat Udara (DPPU) Supadio Pontianak – Energy Audit Lv1 Pump Operational System;