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Old 12-18-2015, 06:59 AM
 
6,908 posts, read 3,743,709 times
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Quote:
Originally Posted by Mary2014 View Post
OP,


I will be interested to see what the results of your audit reveals. It sounds like you have heat pumps with electric for backup.


Some possible things to consider:


1. your heat pumps may have issues - I once had a problem with a sudden high energy bill in April and the technician found that the unit was running constantly on pure electric because some switch broke in the open position and did not allow it to switch back to heat pump mode. (Pure electric is nearly 3X's more expensive than in heat pump mode.) The unit was running (always on) but, not producing any heat.


2. I had an electric water heater, located in an unheated basement. I never realized how much it costs to run an electric water heater until I moved to a similar size house with a propane tankless water heater. It cost me (one person household) about $40 per month to heat a 50 gallon electric tank. The cost for a tankless propane water heater, the propane is costing me about $2.50 a month! My electric usage in my former home was about 600 kwh during a month when I did not use heat or air conditioning. In my new place the kwh per month for a similar time frame is less then 200 kwh per month. So, I know that a substantial portion of the difference in electric consumption can be associated with the monthly cost of an electric water heater.


3. Is it possible that the former owners tried to mess with the electric meter in an attempt to steal electricity and the meter itself may have issues?


I hope you report back when you get the results of your energy audit and tell us what they find. I do hope it is an independent company doing the audit and not someone who is just trying to sell you something.

Heat pumps are the main heat system. Two units, located in the attic.

I have an electric hot water heater but it is brand new. Not even a year old.

When I had the 6000 kWh month, initiated an investigation with the electric company. They took the meter, had it tested and returned it saying it was working perfectly.

The Audit is being done as part of an Empower grant. I have no money to buy anything, so any repairs have to be done for free under the grant. At the very least, I am hoping to learn what is causing it, because sitting in a cold, dark house is not lowering the electric cost at all.
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Old 12-18-2015, 07:09 AM
 
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Quote:
Originally Posted by PacoMartin View Post
I thought you went to 6000 kWh in one month? That should be an average of 200 kWh per day. I don't see how your peak could be 130 kWh

I actually had one day with 140 kWh in a 52 week period. A total of 9 days where usage was 100 kWh or more. Mostly it is space heaters or air conditioners.


Date ......... kWh Degrees
Sat 17/Jan 15 119 22
Sun 18/Jan 15 109 30
Thu 29/Jan 15 127 18
Mon 09/Feb 15 112 30
Fri 20/Feb 15 108 8
Sat 21/Feb 15 140 13 Highest usage in one day over a 52 week period
Tue 24/Feb 15 100 12

Mon 20/Jul 15 128 82 Hottest Day of year

Fri 09/Oct 15 100 64 Dehumidifiers?


We have oil heat, but when it peaked at $3.799 per gallon, you end up using space heaters to warm up rooms.
The 6000 kWh month was February and the data was not available to see daily usage. The data is downloads is not very detailed. It is not showing daily temp like yours.

No space heaters. I am trying to get the sheet to
Show daily totals. If you want to pm me your email address, I would be happy to show you.
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Old 12-18-2015, 07:52 AM
 
Location: Eastern UP of Michigan
1,202 posts, read 636,519 times
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On LED bulbs there are also quality differences.


The more expensive versions are as was previously stated dimmable and others have a significantly longer life span--- upwards of 20K hours. The modest/inexpensive versions often have a stated life span of 3-5K hours.
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Old 12-18-2015, 08:16 AM
 
9,070 posts, read 9,230,361 times
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Quote:
Originally Posted by Mary2014 View Post
My electric usage in my former home was about 600 kwh during a month when I did not use heat or air conditioning. In my new place the kwh per month for a similar time frame is less then 200 kwh per month.
That sounds quite possible. My electric hot water heater estimates 4775 kWh per year or 398 kWh per month. But it is a big yellow label right on the heater.

But normally a single person doesn't use that much. The estimate is more for a family.
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Old 12-18-2015, 08:23 AM
 
1,151 posts, read 1,415,357 times
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Quote:
Originally Posted by LowonLuck View Post
Heat pumps are the main heat system. Two units, located in the attic.

I have an electric hot water heater but it is brand new. Not even a year old.

When I had the 6000 kWh month, initiated an investigation with the electric company. They took the meter, had it tested and returned it saying it was working perfectly.

The Audit is being done as part of an Empower grant. I have no money to buy anything, so any repairs have to be done for free under the grant. At the very least, I am hoping to learn what is causing it, because sitting in a cold, dark house is not lowering the electric cost at all.

OP,


My guess is that part of the problem may be there is something going on with the heat pumps not working properly. Did you have them serviced when you moved in? Maybe it is something as simple as being low on Freon or air filters that need to be changed. Dirty air filters that block air flow can cause a heat pump to run continuously and never seem to get the house to warm up.
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Old 12-18-2015, 08:38 AM
 
9,070 posts, read 9,230,361 times
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Quote:
Originally Posted by JIMANDTHOM View Post
On LED bulbs there are also quality differences.
The more expensive versions are as was previously stated dimmable and others have a significantly longer life span--- upwards of 20K hours. The modest/inexpensive versions often have a stated life span of 3-5K hours.
LowonLuck really has an issue that has nothing to do with lightbulbs.
Unless you have money, it rarely makes sense to replace all the bulbs in the house with LED bulbs. Utility lights are better replaced with CFL bulbs, and LEDs should be reserved for lights that are on all the time.

I was initially reluctant to put a $20 lightbulb on the basement stairs, but I found that with the CFL it took so long to turn on full brightness that I was afraid someone would trip on the stairs. Since the bulb is normally left on to guide people walking back up the stairs, it stays on a few hours at a time. Desklights are also good candidates for LED bulbs.
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Old 12-18-2015, 09:19 AM
 
6,908 posts, read 3,743,709 times
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Quote:
Originally Posted by Mary2014 View Post
OP,


My guess is that part of the problem may be there is something going on with the heat pumps not working properly. Did you have them serviced when you moved in? Maybe it is something as simple as being low on Freon or air filters that need to be changed. Dirty air filters that block air flow can cause a heat pump to run continuously and never seem to get the house to warm up.
I had them checked when I bought, installed new thermostats and I change the filters monthly. The system is less than 5 years old and the house sat empty two of those years with no electric.

Even if they are the issue, that does not explain the high usage when the system was off.
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Old 12-18-2015, 09:22 AM
 
6,908 posts, read 3,743,709 times
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Quote:
Originally Posted by PacoMartin View Post
LowonLuck really has an issue that has nothing to do with lightbulbs.
Unless you have money, it rarely makes sense to replace all the bulbs in the house with LED bulbs. Utility lights are better replaced with CFL bulbs, and LEDs should be reserved for lights that are on all the time.

I was initially reluctant to put a $20 lightbulb on the basement stairs, but I found that with the CFL it took so long to turn on full brightness that I was afraid someone would trip on the stairs. Since the bulb is normally left on to guide people walking back up the stairs, it stays on a few hours at a time. Desklights are also good candidates for LED bulbs.
Except for the recessed lights, most bulbs are CFL. I have lots of recessed lights. Like 10 just in my bedroom alone
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Old 12-18-2015, 01:33 PM
 
9,070 posts, read 9,230,361 times
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Quote:
Originally Posted by LowonLuck View Post
Even if they are the issue, that does not explain the high usage when the system was off.
You service is certainly 200 Amp, or you couldn't get an hour above 12 kW.

A number of hours of peak use are in the middle of the night, when you and your children are presumably sleeping. Most, but not all, days are in November during cold spell. It looks like it is primarily the heat, but you can't rule out hot water.

Kilowatts per one hour period beginning at date/time (sep 1 2015- Dec 16, 2015)

15.62 Sun, Nov 22, 08:00 PM 2015
14.14 Fri, Oct 02, 06:00 PM 2015
10.94 Mon, Nov 23, 06:00 PM 2015
10.43 Mon, Nov 23, 05:00 PM 2015
10.38 Mon, Nov 23, 04:00 AM 2015
10.05 Mon, Nov 23, 08:00 PM 2015
10.02 Wed, Nov 25, 06:00 AM 2015
10.00 Sat, Nov 14, 07:00 AM 2015

9.99 Mon, Nov 23, 05:00 AM 2015
9.98 Sun, Nov 22, 07:00 PM 2015
9.92 Tue, Sep 01, 05:00 PM 2015
9.85 Sun, Nov 22, 09:00 PM 2015
9.82 Mon, Nov 23, 03:00 AM 2015
9.68 Wed, Nov 25, 04:00 AM 2015
9.66 Mon, Nov 23, 04:00 PM 2015
9.64 Sun, Nov 22, 06:00 PM 2015
9.35 Sun, Nov 22, 08:00 AM 2015
9.24 Sun, Oct 18, 07:00 PM 2015
9.15 Mon, Nov 23, 07:00 PM 2015
9.06 Mon, Nov 23, 07:00 AM 2015
9.04 Tue, Nov 24, 04:00 AM 2015
8.95 Wed, Nov 25, 07:00 AM 2015
8.89 Wed, Nov 25, 01:00 AM 2015
8.75 Tue, Nov 17, 05:00 AM 2015
8.73 Wed, Nov 25, 05:00 AM 2015
8.64 Sun, Nov 22, 10:00 PM 2015
8.61 Mon, Nov 23, 01:00 AM 2015
8.56 Tue, Nov 24, 09:00 PM 2015
8.45 Mon, Nov 23, 08:00 AM 2015
8.42 Mon, Nov 23, 02:00 AM 2015
8.38 Mon, Nov 09, 07:00 AM 2015
8.38 Mon, Nov 23, 12:00 AM 2015
8.38 Mon, Nov 23, 06:00 AM 2015
8.36 Mon, Dec 07, 07:00 PM 2015
8.32 Thu, Nov 26, 07:00 AM 2015
8.28 Wed, Nov 25, 02:00 AM 2015
8.25 Mon, Nov 09, 04:00 AM 2015
8.22 Sat, Nov 14, 09:00 PM 2015
8.20 Sun, Nov 22, 11:00 PM 2015
8.18 Mon, Oct 19, 06:00 AM 2015
8.12 Mon, Nov 23, 03:00 PM 2015
8.09 Wed, Nov 25, 03:00 AM 2015
8.05 Wed, Nov 25, 12:00 AM 2015


Daily USAGE COST DATE
189.84 kWh $26.53 Mon, Nov 23, 2015
157.61 kWh $22.03 Sun, Nov 22, 2015
141.19 kWh $19.74 Tue, Nov 24, 2015
120.97 kWh $16.89 Sat, Nov 14, 2015
115.64 kWh $16.14 Mon, Nov 09, 2015
113.00 kWh $15.79 Wed, Nov 25, 2015
112.76 kWh $15.75 Sun, Oct 18, 2015
109.19 kWh $15.27 Mon, Oct 19, 2015
107.12 kWh $14.96 Sun, Nov 15, 2015
103.63 kWh $14.49 Sat, Nov 21, 2015
97.36 kWh $13.62 Sat, Oct 31, 2015
96.65 kWh $13.49 Thu, Dec 03, 2015
93.43 kWh $13.05 Tue, Oct 27, 2015
92.91 kWh $12.97 Sat, Dec 05, 2015
91.45 kWh $12.74 Tue, Dec 08, 2015
90.10 kWh $12.57 Mon, Nov 30, 2015
88.74 kWh $12.42 Fri, Nov 20, 2015
88.24 kWh $12.34 Sat, Oct 17, 2015
86.01 kWh $12.02 Sat, Oct 24, 2015
85.33 kWh $11.95 Sun, Dec 06, 2015
84.23 kWh $11.77 Mon, Oct 26, 2015

Last edited by PacoMartin; 12-18-2015 at 01:43 PM..
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Old 12-18-2015, 02:23 PM
 
6,908 posts, read 3,743,709 times
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Thank you. I think I am going to be really in trouble when it actually gets cold. We have had a really mild winter so far. Yikes
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