ECCJ / TextReport / Vietnam

ECCJ / TextReport

Vietnam

◆Information supply: How much energy is being used

Monthly bills from power and gas companies tell consumption of the month with those of the previous year.

Typical electricity bill

◆ Information supply: What should be done and how is it’s effectiveness
(Concrete energy conservation methods and benefits)

What should be done and how much energy and money can be saved in numerical terms for each situation of daily life.

Reduction of TV viewing time by one hour every day
→ Energy saving of 32 kWh/year in electricity and money saving of ¥700/year
Lowering of dishwashing water temperature from 40℃ to 38℃
→ Energy saving of 8.8 m3/year in gas and money saving of ¥1300/year

◆ Provision of tools: Visualization of energy consumption and energy conservation benefits

■ “Energy Conservation Navi”
“Energy Conservation Navi” is equipment measuring electricity consumption and displaying in real time.

The voltage and current are measured to calculate power consumption, and the results are transferred to a monitor.
The system displays the following items, by using the consumption data which arrive at intervals of one minute from the meter;

kWh from the beginning of the month
Charges for kWh from the beginning of the month

[Reference information]
Effect of using “Energy Conservation NAVI”

Average total electricity consumption from June to Sep. per household

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