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<time datetime="2008-07-30T00:00:00-07:00" pubdate><span class='month'>Jul</span> <span class='day'>30</span> <span class='year'>2008</span></time>
    
      <h1 class="entry-title"><a href="/fight-climate-change-first-get-the-maths-right.html">Fight Climate Change, First get the Maths right!</a></h1>
    
    
    
    
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<div class="entry-content"><p>I found myself book-less on an MRT ride and looked around for something to do. I chanced upon the 10% Power Savings Campaign one of which claims:</p>


<blockquote>Standb power can add upto 10% of your bill. Switch off appliances at the power socket to save about $50* a year!
<small>* based on electricity tariff of $0.2388 per unit KWh, assuming 35W of standby power in a given home.</small></blockquote>


<p>Now, it stands to reason that 10% of my monthly bill equals about $4 of power savings ($50/12) per month. Does that mean my monthly bill is only $40?</p>


<p>In an other advertisement in the same train, they claim 10% of your monthly bill can be saved by setting the temperature on the air-con 2 degrees higher than usual which comes to $50 <em>per month</em>. So now, my monthly bill equals $500!</p>


<p>I like maths, and am annoyed when people disregard maths just for the sake of a &#8220;10%&#8221; campaign. Would be a lot more effective if you give me the <em>real</em> statistics, instead of a fake 10% number.</p>

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