Let’s start by understanding the energy consumption of your factory.
Traditional central monitoring systems, such as BEMS, have primarily been used not only for monitoring equipment but also for understanding the total electricity and gas consumption and reducing demand. However, knowing the overall electricity and fuel consumption of a factory is not enough to devise specific reduction strategies. To reduce the energy consumption of a factory, it is essential to understand what, where, how much, and why energy is being consumed.
Recently, energy monitoring equipment and central monitoring systems implemented in factories have become capable of detailed energy consumption tracking. However, in older factories, vital measurement instruments, sensors, and power meters are often not installed, making it difficult to understand the situation of large-scale factories. For the sake of the global environment and the achievement of SDGs, let’s start by promoting the “visualization” of energy consumption. Visualization is not just about installing measuring instruments; it is also possible by organizing existing management documents.
You can promote visualization using the following methods:
- Graphing daily environmental management records of the factory
- Graphing daily production records
- Graphing records of equipment updates and equipment management
- Graphing electricity and gas bills
By graphing and analyzing these data in detail, you can discover many insights.
For example, with environmental management records, you might find:
- “The indoor temperature is 22°C even when not in production.”
- “The exchange rate should be 20 times/h, but this room is always at 24 times/h.”
From the update records:
- “This equipment has been used for 20 years.”
From the equipment management records:
- “There is a significant difference between the pressure at the steam outlet and the use point.”
- “The unloader time of the compressor is longer than before.”
Through existing records and data, you might find concrete energy-saving hints.
Even data that rarely changes can inspire new ideas when viewed from the perspective of “Why isn’t there any change?” such as:
“Perhaps we can reduce this further.”
“Maybe we can reduce ventilation at night.”
From there, it is crucial to discuss with engineers who are well-acquainted with the field to devise specific energy-saving measures.
Please feel free to contact us for consultations on carbon neutrality and energy saving.
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