AHAR Consultants’ partners have reviewed and formulated utilities tariffs for utilities companies as below:

1. Pendinginan Megajana Sdn Bhd Chilled Water tariff (1998)
2. Chilled water and Electricity tariffs for Wirazone Sdn Bhd (1999)
3. Energy Charges Assessment Study at KLIA Airport for Malaysia Airport (Sepang) Sdn Bhd. (2003)
4. Utilities tariffs review for BioXcell (M) Sdn Bhd – Chilled water, Steam, Waste Water, Compressed Air.
5. Chilled water tariff formulation for Gleneagles Development for Wirazone Sdn Bhd (2010)
6. Techno-economics study for GDC Plant #4 at Core Island Putrajaya
7. Chilled water tariff formulation for DCS Development for Wirazone Sdn Bhd (2012)
8. Chiller Verifier SAVE program at
   1. Menara Citibank, Jalan Ampang, KL
   2. Ampang Putri Hospital, Ampang, KL
   3. Keck Seng Building, Jln Bukit Bintang, KL
9. Electrical Distribution System (EDS) feasibility studies for Kuala Lumpur City Center (KLCC) (2014)
10. Feasiblity studies for District Cooling System and business modelling for Medini Iskandar (M) Sdn Bhd (2016)
11. Benchmarking of Energy Services Companies and Case Studies of Different Energy Business Models in Malaysia for Nomura Research Singapore (2017)
12. Energy audit services for the Proposed Retrofit of Govt Office Building (Menara Usahawan) for Putrajaya Holdings Sdn Bhd (2018)
13. Electrical Distribution System (EDS) case feasibility studies for Nomura Research Singapore (2018)
14. Technical support consultant for KLIA District Cooling Plant 1
    concession tender for Malakoff Bhd (2018)
15. Dilapitation and Technical Performance audit of air- conditioning and mechanical ventilation (ACMV) system for five main buildings (Main Terminal Building, Contact Pier, Satelite A, Custom Complex, Administration Bldg, Engineering Complex) at KLIA Airport for Malaysia Airport Holdings Bhd. (2019)