Sunday 4 September 2011

Reducing electricity usage in Japan

How has your awareness of saving electricity changed? graph of japanese statisticsWith it looking like we have managed to survive the summer without a single power cut in Japan, it may be a good time to look at a survey from goo Research conducted in July on saving electricity.

Demographics

Between the 4th and 7th of July 2011 1,080 members of the goo Research online monitor group completed a private internet-based questionnaire. 50.2% of the sample were male, 19.5% in their teens, 20.3% in their twenties, 19.9% in their thirties, 20.2% in their forties, and 20.1% aged fifty or older.

The survey title in the original Japanese is usually translated (as I did above) as ?saving electricity?, but as a pedant I?d like to point out that you cannot really save electricity, but instead just cut down on the usage. We tried to cut down this summer by using less air conditioning and relying on a simple fan a bit more, but quite frankly I see little difference in our monthly bills.

At work we have various changes, but the stupidest one was to unplug the rechargers for our company mobile phones during peak hours. However, the company phones have hopeless batteries, so if you forgot to plug back in before a long weekend, for example, you could come back to a dead phone that has returned to factory settings. On top of that, it just takes one person to bang their head on the underside of the desk and you?ll have the Health and Safety people all over you. This activity lasted exactly two days in our team.

Research results

Q1: Compared with before the earthquake, how has your awareness of reducing electricity usage changed? (Sample size=1,080)

Became much more aware 26.9%
Became a little more aware 50.1%
Not changed 22.4%
Became a little less aware 0.2%
Become much less aware 0.4%

Men in their twenties had the lowest percentage of raised awareness at 63.6%, and women in their thirties had the highest at 86.9%.

Q2: Which of the following actions have you taken to reduce electricity usage? (Sample size=1,080, multiple answer)

Take care to switch off lights, etc 64.0%
Raise the temperature setting on the air conditioning 51.8%
Don?t use lights in daytime 46.1%
Use air conditioning less 42.5%
Unplug electrical items when not in use 33.2%
Watch less television 28.6%
Close the toilet seat after use 27.0%
Turn the brightness down on the television, use eco mode 25.5%
Use less bulbs, turn down dimmers, otherwise live in a darker environment 22.5%
Stop using rice cooker function for keeping rice warm 21.9%
Stop using heated toilet seat 21.7%
Turn down the temperature setting on heated toilet seat 20.7%
Set the refrigerator temperature higher 20.6%
Stopped using air conditioning 17.5%
Stop using heat maintenance function on hot water pot 15.6%
Change to low-energy light bulbs 13.5%
Go to be earlier to reduce light use 13.0%
Use computer less 11.8%
Decrease length of use of hair dryer 11.8%
Stop using heated bidet function 11.3%
Reduce duration of use of extractor fans 9.4%
Switch off modem, router when not in use 6.6%
Stop using dishwasher 5.7%
Use DVD player, video recorder less 5.3%
Play console games less 5.1%
Stop using clothes drier 4.8%
Set temperature on instant hot water boiler lower 4.6%
Stop using humidifier 3.4%
Reduce the contracted maximum electricity power usage 1.5%
Other 0.7%
Nothing in particular 11.6%

Q3: How important do you think it is for companies to take measures to reduce their electricity usage? (Sample size=1,080)

Very important 40.8%
Somewhat important 43.4%
Can?t say 12.8%
Not very important 2.2%
Not at all important 0.7%

Overall, women felt corporate power saving was five percentage points more important than men.

Q4: Of all the corporate measures that have been proposed or enacted, which do you think are the three most effective? (Sample size=1,080, up to three answers)

Raising the temperature setting of in-room air conditioning 45.2%
Turn off outdoor lighting, signage 40.5%
Reduce, turn off in-room lighting 31.3%
Introduce Cool Biz 30.2%
Introduce backup power generators 18.6%
Stop, limit use of lifts, escalators 15.9%
Switch working days with weekend 14.8%
Shorten working hours 12.8%
Introduce summer time (time shift starting and finishing times) 11.1%
Rotate days off 8.4%
Lengthen summer holidays 6.9%
Introduce telecommuting system 6.5%
Reduce computer use at peak times 6.4%
Introduce late night working 4.4%
Introduce a three-day week 4.2%
Nothing in particular, don?t know 6.3%

Q5: How do you think nuclear reactors should be used in the future? (Sample size=1,080)

Stop all reactors and don?t use in future 8.1%
Plan to move to other generation methods and reduce the number of reactors 50.2%
Stop only the reactors said to be at high risk, but continue to use the rest 26.6%
Return to the state before the disaster 7.7%
Plan new reactors and increase nuclear power generation 1.9%
Don?t know 5.5%

Overall about 15 percentage points more of women than men thought reactors should be phased out.

Looking at the issue of the most important issues surrounding electricity generation, about 75% thought that safe energy generation was important, whereas 68% thought stability of supply was important. 50% thought gentleness on the environment was important, and about 38% rated renewable resources and the same percentage rated cheapness as important. Finally, 31% rated a secure fuel supply as important.

Regarding future electricity generation, about 70% had expectations for solar power generation, 48% for solar heating, 45% for wind power, 41% for geothermal, 30% for power generation from rubbish, 28% for biomass, around 15% for small and medium-sized hydro, natural gas co-generation, and fuel cells. Finally, 8% chose nuclear power, 4% oil, and 3% coal.

Read more on: economising,goo research,nuclear power

Source: http://feedproxy.google.com/~r/WhatJapanThinks/~3/EeE5SXEuDcQ/

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