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Monday, March 18, 2013

March Bill, Results, and Year-end Review


Anybody else out there sick of winter yet?  I certainly am.  I just looked up and this time last March we were easily into the low 70s every day.  I will admit that the last 2 days were B-E-A-UTIFUL.  But alas today, it's back to being cold (44F) with a drizzle.  Ugh...

Anyhow, below is the information from my March Duke Energy Bill:

March 2012 (February - March)
Energy Consumption: 1,051 kWh
Number of Days: 29 days
Average Daily Energy Consumption:  36.24 kWh/day
# of Heating Degree Days (HDD):  491
Unit Energy per HDD:  2.14 kWh/HDD

March 2013 (February - March)
Energy Consumption: 901 kWh
Number of Days: 28 days
Average Daily Energy Consumption:  32.18 kWh/day (11.21% reduction vs 2012)
# of Heating Degree Days (HDD):  620
Unit Energy per HDD:  1.45 kWh/HDD  (32% reduction vs 2012)
Bill Savings vs 2012 ($0.1093/kWh average rate) = $23.18

Fantastic...another month of savings even though it was colder outside!

So now it's time for my year end review.  Why does this come in March?  Well...that's because that's when we move in.  Below is a nice table comparison


2010-2011 (April - March)
Energy Consumption = 15,750 kWh
Days = 349
Average Daily Consumption = 45.13 kWh/day
Adjusted Annual Consumption = 16,472 kWh/yr
(adjusted to 365 days)

2011-2012 (April - March)
Energy Consumption = 10,930 kWh
Days = 366
Average Daily Consumption = 29.86 kWh/day
Adjusted Annual Consumption = 10,900 kWh/yr
Energy Reduction versus 2010 = 33.8%

2012-2013 (April - March)
Energy Consumption = 9,018 kWh
Days = 367
Average Daily Consumption = 24.57 kWh/day
Adjusted Annual Consumption = 8,969 kWh/yr
Energy Reduction versus 2011 = 17.7% 
Energy Reduction versus 2010 = 45.6% 
Bill Savings (adjusted rate) vs 2011 = $311.01

Wow...just wow.  You're with me on this, right?  Since I've moved in, I've been able to reduce my energy consumption by nearly 46%!  And if you compare against 2011 (the Geothermal was already installed), then you can see we've reduced our consumption by another 18%.  

Can I do better?  Well...probably not much more.  I'm guessing its going to be slim pickins' after this unless I start generating energy via solar panels.  If anything I'm expecting to see reductions throughout the spring/summer until I hit October 2013.  That's when I installed the new water heater and saw some fantastic energy reductions which is probably contributing heavily to my current results.

Until then..I'll enjoy my numbers while I still can.

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