Green / Eco-Friendly

How many KWh do you use in a day?

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  • Oct 4th, 2017 4:03 pm
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Deal Addict
May 23, 2009
1547 posts
397 upvotes
Mississauga
I downloaded a report for another property with last 12 months invoice(Sept 25 2015 to Sep 26 2016). I'm surprised it is even lower.

TOU split is 66.9% (off), 16.6% (mid), 16.5% (on)

$1377.61 / 7346.7kW = $0.188/kW.
7346.7kW / 368 days = 19.96kW/day. ($3.74/day)
Deal Addict
Dec 1, 2012
1020 posts
470 upvotes
Beaverton
love2save wrote:
Oct 26th, 2016 7:15 am
Decided to calculate my actual cost per kW after all charges including delivery taxes etc. (Invoice total)
Total charges / total kW usage over previous 12 months. (Nov-Oct)

$1272.08 / 3498.1kW = $0.364/kW.
3498.1kW / 365 days = 9.6kW/day. ($3.49/day)
I should add to the above that I am rural residential classed low density which greatly increases my delivery costs.
My TOU breakdown for the most recent month (which would be similar every month) is L=64℅ M=20 H=16℅.
Thanks for posting your #s.
Very interesting comparisons! :)
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Deal Addict
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Oct 9, 2010
1603 posts
313 upvotes
Windsor
So, turns out my utility doesn't allow all data to be exported at once Angry Face. Anyhow, following your format:
Total charges / total kWh usage over previous 12 months. (Oct-Sept) ... [this, coincidentally, encompasses the entire time I've lived here (Oct-2016 bill isn't here yet)]

$887.81 / 4336.59kWh = $0.200/kWh
4336.59kWh / 365 days = 11.88 kWh/day. ($2.43/day)
4336.59kWh / 12 mosdays = 361.38 kWh/moday. ($73.98/moday)
My TOU split is 68.7% (off), 16.7% (mid), 14.5% (peak)

I live in the city, ~1,250sq.ft 1970's brick ranch w/basement, work from home, AC @ ~73°F, Heat at ~70°F, electric stove, gas dryer (which we never use in the summer), gas heat, server 24/7, LEDs all around, 2 adults, plasma TV (which we use maybe 5hrs/week)
Last edited by ChubChub on Oct 27th, 2016 11:50 am, edited 3 times in total.
One who is offended by truth, has no place among those who seek wisdom.
Deal Addict
May 23, 2009
1547 posts
397 upvotes
Mississauga
My 12 month combined invoice really puts the hydro cost into perspective for me. I always wrongly assumed my Hydro cost was double or even triple my NG yearly but seems to be only about ~20% more each yearFace With Tears Of Joy.
ChubChub wrote:
Oct 27th, 2016 8:55 am


4336.59kWh / 12 days month = 361.38 kWh/day month. ($73.98/day month)
FIFY
Deal Addict
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Oct 9, 2010
1603 posts
313 upvotes
Windsor
bubuski wrote:
Oct 27th, 2016 11:29 am
My 12 month combined invoice really puts the hydro cost into perspective for me. I always wrongly assumed my Hydro cost was double or even triple my NG yearly but seems to be only about ~20% more each yearFace With Tears Of Joy.
FIFY
Thanks for fixing that. NG for me was $589.53 for the year. So, about 50% more.
One who is offended by truth, has no place among those who seek wisdom.
Deal Fanatic
Feb 9, 2006
7585 posts
1672 upvotes
Brampton
My average is around 15-25kW/day.

However I want to thank this thread. If it wasn't for this thread I wouldn't think to look at a daily number. From looking at that I noticed that my server is using more power than it should because of a stupid design decision by Microsoft and their Hyper-V implementation.
Jr. Member
Dec 26, 2015
137 posts
76 upvotes
Ottawa, ON
my average is between mostly is 11-15 but then some odd days it is 25-29 kwh. Then i notice my wife leaves the computer running or leaves A/C on. I really hope we stop selling excess energy in the future costing us too much to transmit power.
Newbie
Oct 28, 2016
2 posts
My worst usage per day was August 2016. That's around 7 kwh/day. I thought I was doing good but I'm in an apartment with just me and occasionally the kids. Not horrible but not great either. I've been looking at my power bills lately trying to figure out solar power and can't believe the amount I'm paying . Around 2/3 of that is simply for the privilage of paying them money. Connection fees, dept payments, and taxes are 2/3 of the bill. Energy by itself is pretty cheap. I'll be interested to see if more people start turning to off-grid solutions. My power consumption is certainly in the range where I could go totally off of simply solar and wind power.
Deal Addict
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Oct 9, 2010
1603 posts
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Windsor
maddog613 wrote:
Oct 29th, 2016 3:08 am
My worst usage per day was August 2016. That's around 7 kwh/day. I thought I was doing good but I'm in an apartment with just me and occasionally the kids. Not horrible but not great either. I've been looking at my power bills lately trying to figure out solar power and can't believe the amount I'm paying . Around 2/3 of that is simply for the privilage of paying them money. Connection fees, dept payments, and taxes are 2/3 of the bill. Energy by itself is pretty cheap. I'll be interested to see if more people start turning to off-grid solutions. My power consumption is certainly in the range where I could go totally off of simply solar and wind power.
Off the grid is quite expensive up front; I'd be curious if it's worth it to be "off the grid", as I assume you'll often have days where you generate more than you can reasonably store, and days when you can't store enough to sustain your home. Seems more likely it'd be worth it to skip the power storage, and just feed the grid @ expensive times, and take back @ cheap times, and just deal with the connection fees.

As well, in your case, you probably can't mess with the wiring, so there's that.
One who is offended by truth, has no place among those who seek wisdom.
Newbie
Oct 28, 2016
2 posts
I certainly couldn't do it here... or maybe I could, but you're right, it would be a pain in an apartment. My intention is to get a little plot of land and build a tiny home. It's a goal that's starting to look more probable these days. I read that the cost of power is going to go up by somewhere in the neighborhood of 45 percent in the next 5-10 years. By itself I'm not opposed to more money for power. The actual cost for electricity is pretty cheap here in Ontario. It's the fact that the connection costs go up so much that hurts. Even offsetting the power usage won't help if it's the connection fees that increase because there's no alternative (I'm not sure that made sense but I'm a little tired).

I've been looking at creating something similar to the Tesla powerwall using linked 9.9 amp batteries. They look sort of like AA batteries but when you link them correctly in series and parallel along with an inverter and charge controller you can make a huge lithium ion battery pack. That way you could:
1. use battery power all night
2. charge them during the day as well as use the batteries for daily use.
The batteries would be about 150 and then the probably a grand or so for the ancillary equipment.

There would need to be some work to make sure I had enough solar to charge them to full while still drawing on them for daily use. My thinking on this is that if I'm using roughly 7 KWh/day without any real thought towards conservation (ie: my lights are on all the darn time and my computer monitor is on etc...) then I could probably reduce that just by being conscious of my usage. Something I should be doing anyway. I need to look at how much my daily usage is when the kids are here. Probably a lot more with tablets and computers.

Sorry, I just started babbling. The thought of being self sustaining though is very exciting to me. I don't use a car and if I could have almost zero emissions in my home well, it's pretty exciting times. I love that avatar btw... is that spirited away?
Deal Fanatic
User avatar
Jul 14, 2008
7552 posts
1171 upvotes
Ontario
maddog613 wrote:
Oct 29th, 2016 3:08 am
My worst usage per day was August 2016. That's around 7 kwh/day. I thought I was doing good but I'm in an apartment with just me and occasionally the kids. Not horrible but not great either. I've been looking at my power bills lately trying to figure out solar power and can't believe the amount I'm paying . Around 2/3 of that is simply for the privilage of paying them money. Connection fees, dept payments, and taxes are 2/3 of the bill. Energy by itself is pretty cheap. I'll be interested to see if more people start turning to off-grid solutions. My power consumption is certainly in the range where I could go totally off of simply solar and wind power.
I think you're wasting your time and efforts, IMO. I don't think you realize how cheap your bills are, or how low you HIGHEST usage is. I'm not in an apartment, but my usage when I was on vacation and unplugged everything that I COULD, I was still consuming roughly 4 kWh/day! If 7 is your 'worst', then stop what you're doing and never return to this thread ever again! ;)

The gain for you, to decrease your usage any more than it already is, is not likely worth the effort time or money. Enjoy being probably in the upper tiers of usage. Saying "not great either" is just plain wrong. Seriously.

Get out of here already! :)
Deal Guru
User avatar
Feb 8, 2014
13279 posts
3264 upvotes
Toronto
onlineharvest wrote:
Oct 30th, 2016 12:19 am
maddog613 wrote:
Oct 29th, 2016 3:08 am
My worst usage per day was August 2016. That's around 7 kwh/day. I thought I was doing good but I'm in an apartment with just me and occasionally the kids. Not horrible but not great either. I've been looking at my power bills lately trying to figure out solar power and can't believe the amount I'm paying . Around 2/3 of that is simply for the privilage of paying them money. Connection fees, dept payments, and taxes are 2/3 of the bill. Energy by itself is pretty cheap. I'll be interested to see if more people start turning to off-grid solutions. My power consumption is certainly in the range where I could go totally off of simply solar and wind power.
I think you're wasting your time and efforts, IMO. I don't think you realize how cheap your bills are, or how low you HIGHEST usage is. I'm not in an apartment, but my usage when I was on vacation and unplugged everything that I COULD, I was still consuming roughly 4 kWh/day! If 7 is your 'worst', then stop what you're doing and never return to this thread ever again! ;)

The gain for you, to decrease your usage any more than it already is, is not likely worth the effort time or money. Enjoy being probably in the upper tiers of usage. Saying "not great either" is just plain wrong. Seriously.

Get out of here already! :)
I agree, going off grid is very expensive power, the best he could do is get some grid tie solar panels, that will cut his costs and reduce energy costs without the well above grid costs of inverters, batteries (which don't last nearly as long as we want them to when frequently cycled) and charge controllers
One can audit their energy usage and find cuts in most cases, i've yet to meet anyone on grid who is as efficient as humanly possible, one can certainly beat 7kW/day, but what are they willing to give up to do it.
Lies, damned lies, statistics and alternative facts
Deal Addict
May 23, 2009
1547 posts
397 upvotes
Mississauga
Just a reminder to folks that tiered pricing and TOU hours have changed for the winter season(effective November 1).

It's time to change timers on dehumidifiers and cooking habits for electric stove users.
Deal Addict
Feb 4, 2015
2454 posts
405 upvotes
Canada, Eh!!
Two weekends ago was out of town and on one of those weekend days when no one home and ac/furnace on but set at tmp where it would not run unless very cold/hot the usage as 3.93 kWh. Most powerbars off. Other then hot water tank fan not sure what would cause the below:

Range for day by hour was from 0.12 to 0.27; peak was every 3-4 hours
Deal Fanatic
Feb 9, 2006
7585 posts
1672 upvotes
Brampton
georvu wrote:
Nov 3rd, 2016 8:43 am
Two weekends ago was out of town and on one of those weekend days when no one home and ac/furnace on but set at tmp where it would not run unless very cold/hot the usage as 3.93 kWh. Most powerbars off. Other then hot water tank fan not sure what would cause the below:

Range for day by hour was from 0.12 to 0.27; peak was every 3-4 hours
Fridge maybe?

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