Analisis Audit dan Peningkatan Efisiensi Penggunaan Energi Listrik Pada Sistem Pencahayaan dan Air Conditioning (AC) Di Gedung Kantor BPJS Daerah Kota Malang Dengan Pendekatan AHP

The increase in electrical energy is increasing day by day, where all human activities require electrical energy. To reduce the increase in electrical energy, an energy audit is carried out. As in the BPJS office in Malang City, in order to make electricity use more efficient, an energy audit is conducted. Energy audit conducted on the use of Air Conditioner (AC) and lighting. To audit the BPJS building, Malang City must know the power used, so that the Energy Consumption Intensity (IKE) can be calculated and can determine the Energy Saving Opportunities (PHE) that will be applied the Analytical Hierarchy Process (AHP) decision-making method. The method is undertake by collecting literature studies and data on building energy use. The use of energy in the BPJS building in Malang City, the AC load for one day is 257.88 kWh and the lamp load is 23,584 kWh in a day. In the calculation of kWh power per month is 5661,472 kWh and per year is 67937,664 kWh. Then according to the Indonesian National Standard, the results of the IKE of the BPJS building in Malang City are efficient where the results are 99.7 kWh/m2/year. Then the PHE to be implemented at the Malang City BPJS Office, namely replacing the types of lights and air conditioners, reducing the use of lights during the day, employees' habits of using electricity. The application of the AHP method in determining decisions for PHE that will be applied with the highest value, namely energy saving actions from employees with a value of 0.3321972701