Tracking electricity usage is an important component of solar power. In order to help me achieve this goal, I wrote some software to help me monitor my electricity usage. Each month when the electric bill arrives, I input the data into an iPhone applet. This applet records the data into a database. I’m not going to link to it for privacy reasons, but here’s a picture of the applet:
Here are a couple of graphs produced from it. The first are the bill amounts:
The second is the number of kiloWatt hours used:
Here’s the latest data (as of Saturday 18th of May 2013 11:46:44 AM):
- 64 months of data
- 57,290 kiloWatt hours used totalling: $USD 6,909.75. This equates to a practical average price per watt of: $USD 0.12 (including base charges and tax)
- Average bill amount: $USD 107.96
- Average kWh per month: 895
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