Did you guys enjoy your Earth Hour on Saturday? Well, we did, for the better part of it. Emitting more COx, NOx and SOx while idling in the gridlock traffic going from Rawang to Bukit Beruntung via the old trunk road without any food only to find out that the candlelight dinner was not a viable option upon arriving at the destination at 8:45pm, 1 hour and 45 minutes later from Selayang Hospital was not exactly the best way to start the Earth Hour. The host ended up turning up the lights at around 9:10 in due sense of pressing demands of hunger, fatigue and restless kids and over-aged adults alike. All for a noble cause of visiting an elderly ailing aunt. According to the the brother of the host, he did his part the night before for 3 hours when the electricity supply was not forthcoming to his house between 12:00am to 3:00am.
How is this about work eh, you may wonder. It is all about work. Working with this KompeniKedekutLetrik, we expected to experience a reduction in demand in relative to the normal demand profile that we normally see on Saturday nights. Well, if you read the papers, our little teapot CEO, our demand dropped by about 550MW as reported
here. It is really a gross figure giving the benefit of the doubt saying it in laymen's terms.
And for the benefit of laying, laid, soon-to-be-laid and will-never-be-laid men and women, I give you this little tutorial about Power which is expressed in the units of MW and Energy which is expressed in the units of MWh. If you're observant enough, you'd notice the little h in Energy which is just the measly hour. When you talk about energy, it is fixed and finite. MWh, Joule and kCal all measures the energy. For those counting the calories would know that however fast or slow you devour those teh tarik and roti canai, you would still ingest the same amount of energy that would correspondingly be converted to some milligrams of fat if it goes unused. Power (MW) however, denotes how fast the energy is consumed. So that roti canai and teh tarik would be used up faster when say, you're walking and chatting with gartblue when it is more than 10 minutes to 8:00am or half-jogging your way through swiping the door if your watch is showing the time to be 20 seconds to 8:00am. Even though some fitness buffs might refute my hypothesis, the same amount of energy would be used getting from the exact spot of parking space to that punch clock in both occasions. And the only difference would be ... time taken. Hence the Power (MW) is latter option would be much higher even though it lasts much shorter than the former. Hence I stop there before rambling on and on about the useless stuff. There's always Goog1e and Wik1 if you are curious enough, you know.

Anyway, back to the topic, I did some number crunching on the dip shown in KompeniKedekutLetrik demand profile on Saturday night and came up with this one. And to save my pretty ass, I used relative instead of absolute figures to be published here.
Viola! Err ok maybe it needs a bit of explanation. The blue curve shows the 'typical' Saturday night demand (MW) profile whereas the yellow one is for that particular rainy Earth Hour night starting from 7:00pm to 12:00am. While whatever manipulations that I have made does not account for the difference in weather patterns for those nights that I was comparing, it has minimised it to the point of hopefully not being significant enough. With that assumptions, a host of other assumptions can be derived from the change in demand pattern eh?
So, why don't anybody just give their piece of mind trying to explain the difference in demand. I'll start with one or two first and you can continue later.
1- Some people started way too early. Hey you're seeing the demand dropping already starting 8:00pm. Could it be possible some people were actually confused about the time?
2- Demand only started to recover at around 10:30pm. It seems that many people liked the darkness so much that they remained in the dark for an additional half hour after.
3- Demand never actually returned to their 'normal' level even past midnight. Some people enjoyed it too much or just too occupied to turn on the lights perhaps.
So, what's your take on it?