Friday, May 8, 2009

Daily power usage statistics!

So, in my never ending quest to figure out how much power I am using, I came up with this graph... thanks to the kind web developers at Puget Sound Energy (PSE) for creating an online page for analyzing my power usage!  Now all they need is to install smart meters and put that data up!  However, I will live with what I've got.

Anyway... the idea here is that I can get data based on which days I use the most power!  And the plus side is that I can put my daily power usage into a spreadsheet on Google Documents, and then publish this nice little chart (so when the data changes, the chart changes too!)

What I found out right away is that I use WAY more power on Sundays than any other day of the week.  Which to me makes a lot of sense because I am usually home for at least most of the day on Sundays.

BTW, that spike on Wednesday is because one day I was sick on a Wednesday, so I stayed home and cranked up the heater to get better, and I believe the Monday and Tuesday before that were extra cold, and I hadn't fixed my door wall yet (which a screw came out of the sheet metal around the glass part of the door, so there was this  2" gap letting cold air in... I fixed it while I was home sick on Wednesday of that week...)  so my electricity usage was up that day.  Other than that, this data really only tracks my total power usage for April of this year, which isn't really too useful to me yet.  Once I start combining data from my Tweet-A-Watt with this data, then I'll be able to accurately determine exactly how much power my Entertainment system uses per day, compared to the total power used by my entire apartment.  Once I track down what I can measure, then I can estimate the things that I can't (like my water heater, refrigerator, oven/stove, dish washer,  washing machine, dryer, and heaters.

Although I'm pretty sure once the weather starts getting better, I'll be able to get a base line for my heater's cost and power usage.
One final note, according to PSE, my annual costs are about 1/3 of the average home of similar size in my area.  Which I think means I'm doing something right... considering I currently have 4 computers that I use all the time (one of which is on 24/7.)

anyway... there's an update for now.

Later,

SteveO