09 Jun 2026
Electricity bills that suddenly increase even though usage feels the same often confuse many households and business operators. This condition does not always happen because usage has increased, but because there are hidden energy losses in the electrical system, equipment, or installation such as electrical cables and power cables that are no longer optimal.
As part of the national electrical industry, PT Jembo Cable Company Tbk understands that the quality of electrical cables, power cables, and installation cables greatly affects energy efficiency in homes, buildings, and infrastructure.
Common Causes of Electricity Bills Increasing Even Though Usage Does Not Rise
Here are some of the most common causes:
1. Electricity leakage (standby power)
Many electrical devices still consume power even when turned off (standby), such as TVs, chargers, AC units, and other electronic devices.
2. Electrical equipment becoming inefficient
Old air conditioners, refrigerators, water pumps, or industrial machines usually require more energy to produce the same output.
3. Electrical installation problems
Installations that are old, not standard, or use low-quality electrical cables can cause:
- current leakage
- excessive heat
- energy loss in the form of resistance
4. Cable quality that has decreased or is not according to standards
The use of household cables or building cables that do not match the capacity can cause power loss. This is often not visible, but directly impacts electrical efficiency.
5. Current leakage (ground leakage)
Disturbances in cable or electrical device insulation can cause current to “leak” to the ground without being noticed.
What Should Be Checked to Identify the Source of Waste?
To find the cause of increased electricity bills, perform the following checks:
1. Check the electricity meter
- Compare daily/weekly usage
- Ensure there are no unusual spikes when all devices are turned off
2. Check electrical devices one by one
Pay attention to the following devices:
- AC (dirty filter, low refrigerant)
- Refrigerator (compressor running continuously)
- Water pump (turning on by itself frequently)
- Chargers & adapters (still drawing power)
3. Check electrical cable installation
This is often overlooked:
- Are the electrical cables older than 10–15 years?
- Are there any cables that feel hot during use?
- Are the cable sizes appropriate for the electrical load?
Cables that do not meet standards can increase resistance, causing energy to be wasted as heat.
4. Check electrical panels (MCB & distribution)
- Does the MCB frequently trip?
- Are there loose connections in the panel?
- Is there any burning smell or overheating?
5. Check grounding and current leakage
Use measuring tools (clamp meter) to ensure there is no undetected leakage current.
The Role of Electrical Cables in Energy Efficiency
Many people do not realize that electrical cables are not only conductors, but also a factor in energy efficiency.
Poor quality or non-standard electrical cables can cause:
- energy loss
- excessive heat
- short circuit risks
- increased electricity consumption without being noticed
On the other hand, the use of high-quality cables such as power cables, low voltage cables, and infrastructure cables that meet standards will help:
- reduce power loss
- maintain current stability
- extend the life of electrical installations
- reduce energy waste risks
This is why choosing quality cables from a trusted cable manufacturer in Indonesia is very important, whether for homes, buildings, or industries.
Preventive Steps to Keep Electricity Bills Stable
To prevent the problem from recurring, take the following steps:
- Use energy-efficient electrical appliances
- Unplug unused devices
- Perform regular installation checks
- Use high-quality electrical cables according to SNI standards
- Use licensed electricians for new installations
- Upgrade building cable systems if they are old
Conclusion
Electricity bills that increase without a rise in usage are usually caused by a combination of factors: inefficient equipment, current leakage, and declining quality of electrical cable installations.
By conducting a thorough inspection of electrical devices, panels, and household or building cables, the problem can be identified and fixed more quickly.
The use of high-quality cables from a trusted national cable manufacturer is one of the key factors in maintaining long-term energy efficiency—whether for homes, buildings, or infrastructure.
