ᐅ House electricity consumption – what is your usage?

Created on: 6 Oct 2020 06:29
C
chewbacca123
Good morning everyone,
I wanted to ask what your house’s electricity consumption is at night when everything is quiet and sleeping, so what is running continuously?

We have a newly built house, moved in summer 2019. Our building services include underfloor heating (air-to-water heat pump), controlled mechanical ventilation (runs at full power 3 times a day for 2 hours each, then reduced), a photovoltaic system, and otherwise the usual nighttime appliances (phone charger plugged into USB outlet, e-bikes charging occasionally, 2 TVs on standby, Alexas on standby, etc.).

At night, we have a continuous consumption of about 232W (with ventilation running at reduced power and when the heat pump is not producing). I can see this in the app for the photovoltaic system. From 0:00 to 6:30 a.m. we consume about 2.8 kWh.

How about you?

Best regards
G
gmt94
7 Oct 2020 13:42
I recently received my statement for the first year.

We consumed 4,250 kWh.

Continuous mechanical ventilation uses about 1 kWh per day
Wastewater treatment system about 0.5 kWh per day
Server cabinet with NAS about 1.2 kWh per day
Dishwasher on average 1.2 kWh per day
Garden pump consumption so far 150 kWh
Refrigerator
Separate freezer
500-liter (132-gallon) aquarium, consumption not yet measured

Other than that, there is a TV that is not used constantly. However, we do a lot of cooking, and because of small children, the washing machine runs almost every other day.
We have a dryer, but it wasn't used once during the year.

As you can see, everything adds up, resulting in an average of about 12 kWh per day.
Z
Zaba12
7 Oct 2020 13:48
gmt94 schrieb:

I recently received my statement for the first year.

We consumed 4250 kWh.

Controlled residential ventilation runs constantly at about 1 kWh per day.
Wastewater treatment system uses about 0.5 kWh per day.
Server cabinet with NAS consumes around 1.2 kWh per day.
Dishwasher averages 1.2 kWh per day.
Garden pump consumption so far is 150 kWh.
Refrigerator
Separate freezer
500 L (132 gallons) aquarium, consumption not measured yet.

Additionally, there is a TV that doesn’t run continuously. However, we cook quite often, and because of young children, the washing machine is used almost every other day.
We have a dryer, but it wasn’t used at all during the year.

As you can see, it all adds up, and we average about 12 kWh per day.

What type of heating do you use?
G
gmt94
7 Oct 2020 13:53
Zaba12 schrieb:

What do you use for heating?

We use gas, and with that, our hydronic heating consumed exactly 10,400 kWh.
Mycraft7 Oct 2020 13:56
Similar to our situation... here also small children... but the washing machine and dryer run almost daily.
M
MayrCh
7 Oct 2020 14:38
To return to the topic:
KfW 70, 160m² (1700 sq ft) + basement, child, controlled ventilation system, washing machine + dryer used daily, several Raspberry Pis + 2 NAS devices.
Last year 2800 kWh electricity, 9000 kWh gas for heating, hot water, and cooking.
berny7 Oct 2020 15:26
Almost forgot: When heating, the fireplace helps on about 50 days from November to March. It certainly saves some electricity for the heat pump, but that was not the main intention...

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