7.2.5. Energy Wastage Identification
As part of its efforts to reduce energy waste, IGU conducts regular energy analyses and carries out technical interventions in areas where needed. In this context, the Building Automation System project, launched in 2023, provided detailed data on energy use and initiated improvement processes. In 2025, the tenders for the “Procurement and Installation of the Building Automation System” and “Building Construction, Ventilation and Automation Works” were completed to increase physical and technological capacity. In particular, with the system implemented at the Tower Campus, lighting, fire detection, and mechanical systems were revised, while efficiency was improved through dimmable lighting fixtures and daylight sensors.
Total electricity consumption was 4,523,414.21 kWh in 2024, while this figure was determined as 4,829,516.19 kWh in 2025. Carbon emissions increased by 5.19% compared to 2024. The main structural factors contributing to this increase in consumption include the rise in the number of active users (students and staff) on campus, the expansion of education and laboratory activities over time, increased cooling and heating loads resulting from climate change, and the calibration and adaptation processes during the initial operation period of the Automation System. This result indicates that energy waste identification and intervention processes are being carried out effectively.
7.2.5.1. Analysis of Consumed Energy
Energy consumption is monitored through the relevant billing documents and is regularly recorded at the end of each month in the digital QDMS Management System. Consumption data are analyzed through this system, and assessments are conducted in line with sustainability targets.
Electricity is the most intensively used energy source among the types of energy used at the University. Block-based electricity consumption data for 2025 were analyzed in detail, and total consumption was determined as 4,829,516.19 kWh. The analysis by month and building shows that A Block (Rectorate and administrative units) and K Block (housing several faculties, laboratories, and a high-rise building) stand out as the buildings with the highest consumption rates. The high energy consumption of these blocks is expected given their intensive use and the technical infrastructure they accommodate.
At the same time, these data demonstrate that the University monitors its energy consumption intensity, can identify areas with high consumption, and has the potential to develop targeted energy efficiency practices. Regular measurement and monitoring enable interventions aimed at preventing energy waste to be planned more effectively and strategically.
Table 8. Distribution of Electricity Energy Consumption (kWh) by Building and Month in 2025
| Months | A Block | B Block | C Block | D-E Block | F Block | G Block | K Block | Total |
| January | 73,685.79 | 9,997.68 | 15,338.40 | 10,847.04 | 13,375.90 | 32,255.78 | 246,242.03 | 401,742.62 |
| February | 68,962.05 | 8,120.03 | 14,776.40 | 9,406.44 | 10,747.10 | 26,456.67 | 217,779.53 | 356,248.22 |
| March | 62,869.01 | 11,513.70 | 15,345.04 | 10,798.50 | 11,598.30 | 35,642.30 | 240,989.40 | 388,756.25 |
| April | 53,752.73 | 9,562.63 | 11,738.64 | 9,047.04 | 9,547.30 | 31,472.28 | 215,440.43 | 340,561.05 |
| May | 47,069.73 | 10,510.00 | 12,221.36 | 8,916.06 | 8,864.50 | 36,081.14 | 249,445.35 | 373,108.14 |
| June | 52,972.34 | 6,942.98 | 10,783.52 | 7,101.84 | 8,538.80 | 25,677.32 | 267,350.85 | 379,367.65 |
| July | 72,384.80 | 4,487.28 | 8,501.72 | 7,747.08 | 9,824.90 | 30,043.98 | 416,396.03 | 549,385.79 |
| August | 67,041.09 | 2,951.93 | 7,355.80 | 5,228.34 | 9,671.10 | 31,094.51 | 357,799.50 | 481,142.27 |
| September | 62,319.42 | 5,159.08 | 7,363.36 | 6,203.34 | 9,471.00 | 28,989.32 | 255,903.75 | 375,409.27 |
| October | 56,801.84 | 9,747.67 | 12,793.24 | 9,954.42 | 10,168.10 | 35,767.53 | 230,054.62 | 365,287.42 |
| November | 59,025.02 | 9,714.33 | 11,996.04 | 9,505.32 | 11,024.00 | 33,846.57 | 226,333.80 | 361,445.08 |
| December | 76,898.43 | 13,584.70 | 15,794.16 | 13,031.46 | 14,393.80 | 41,374.13 | 281,985.75 | 457,062.43 |
| Total | 753,782.25 | 102,292.01 | 144,007.68 | 107,786.88 | 127,224.80 | 388,701.53 | 3,205,721.04 | 4,829,516.19 |
An examination of the natural gas consumption data for 2025 shows that the total consumption of 203,671 m³ was largely concentrated in the winter months. January (47,610 m³), March (44,503 m³), February (36,868 m³), and December (32,566 m³) accounted for approximately 79% of total consumption. During the August–October period, consumption remained at very low levels, ranging from 39 m³ to 486 m³, while April and November reflected seasonal transition periods. Compared with the previous year, total consumption decreased slightly from approximately 207,392 m³ to 203,671 m³. Although this indicates a modest decline, consumption continued to be largely associated with heating needs. Energy efficiency and insulation practices therefore have the potential to further reduce consumption, particularly during the winter months.
Table 9. Total Natural Gas Energy Consumption (m³) in 2025
| Months | Natural Gas Consumption (m³) |
| January | 47,610 |
| February | 36,868 |
| March | 44,503 |
| April | 26,707 |
| May | 6,888 |
| June | 431 |
| July | 43 |
| August | 39 |
| September | 409 |
| October | 486 |
| November | 7,121 |
| December | 32,566 |
| Total | 203,671 |
When the 2025 energy and fuel consumption data are compared with those of 2024, electricity consumption increased by 6.77%, rising from 4.52 million kWh to 4.83 million kWh due to the effects of the increasing academic activities and campus use, while natural gas consumption decreased from 207.4 thousand m³ to 203.7 thousand m³, showing a slight decline of 1.79% and thus remaining relatively balanced. In transportation and service vehicles side, gasoline consumption increased from 7,692 liters to 20,639 liters, recording a 168.32% increase, while diesel consumption decreased from 25,112 liters to 9,631 liters, showing a significant decline of 61.65%; thus, in 2025, while the electricity and gasoline burden increased due to the expansion of the campus use, a trend toward savings in heating and heavy-duty vehicles came to the fore.
Table 10. Amounts of Energy Consumed by Energy Type in 2024 - 2025
| Energy Type |
Consumption Amount 2024 |
Consumption Amount 2025 |
Unit |
| Gasoline | 7,692.00 | 20,639.00 | Liter |
| Diesel | 25,112.00 | 9,631.00 | Liter |
| Natural Gas | 207,392.00 | 203,671.00 | m³ |
| Electricity | 4,523,414.21 | 4,829,516.19 | kWh |