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
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
Schimi179115 Dec 2020 17:50kati1337 schrieb:
When we have more hours of sunshine again, a few more kWh are consumed daily. But at the moment, we are almost fully drawing electricity from the grid. kati1337 schrieb:
Well... it is winter after all. Previously, we had a gas prepayment of about 100€ (approx. $108) for the entire house.
The air-to-water heat pump definitely won’t need 15 kWh anymore in spring. 😉 We moved in during October, and consumption from November to December already increased somewhat. I expect that January/February will see a bit more, then it will decrease again from March onwards. In summer, only the ventilation system should use electricity.
It’s no different with gas; you also pay prepayments in summer for winter.
My "currently 30 kWh/day" only refers to December. 😀 Just so nobody gets the wrong idea.
Oh, and the same goes for the photovoltaic system. It’s winter after all. Even in October, we had several days with 10 kWh (approx. 6.2 miles) or more of yield. Right now, there is simply no sun, so there’s no output from the roof. 🙂 Still, I am somewhat surprised by what I consider a high energy usage. For us, energy costs (heating plus hot water) are about 50€/month (approx. $54) averaged over the year, and we still have an oil burner about 20 years old. Okay, we do heat a lot with our wood stove...
kati1337 schrieb:
Even in October, we had several days with 10 kWh (approx. 6.2 miles) or more of yield. That already sounds quite different 🙂
FF2677 schrieb:
Hello Zaba12,
have you managed to heat with just the fireplace over the past few weeks?
It has been foggy and cold here the whole time... Yes, that was my issue in the last few days. I turned on the underfloor heating on December 12 and am now adjusting the ideal comfort temperature. Here is the consumption from December 12. The heating was switched on around 9 a.m., which you can see quite clearly. Yesterday the total house consumption including heating was 19.7 kWh, with the upper and ground floors at 20–20.5°C (68–69°F).
Currently it’s 22.3°C (72°F), and we will probably reach about 26 kWh by midnight.
The next 3–4 days will finally bring some sunshine again.
pagoni2020 schrieb:
@kati1337
Oh, do you have your driving license again? Nice... and funny at the same time 😎Huh? I don’t get that one?Schimi1791 schrieb:
Nevertheless, I’m a bit surprised by what I see as a high energy consumption. Our energy costs (heating plus hot water) are about €50/month over a year, and we still have an oil burner that's around 20 years old. Okay, we heat a lot with the wood stove...
Our house has just been completed. According to Stiebel Eltron, we shouldn’t use the consumption in the first year as a reference and should only start evaluating from the second year onward (keyword: drying heating).
I’m not familiar with oil heating, and I’ve never had a wood stove, so I can’t provide any benchmark figures there. In our old house with a gas heating system (built in 1994), we had annual gas costs of roughly €1000.
But it’s pointless to compare these directly. There are so many factors involved: how warm you like it, how well the house is insulated, how large the area is...
P
pagoni202015 Dec 2020 18:37kati1337 schrieb:
Huh? I don’t get that?You’ve been away from the street... uh... from the forum... for a while.It’s simply a myth that heat pumps are economical. An acquaintance has a ground source system and 140 m2 (1,507 sq ft) of heating surface, but monthly heating costs of 70 euros. He would have been much better off with gas. After 5 years, the system was leaking and he received a bill of 3,000 euros.
I always say, if possible, go with gas. Heat pumps are very sensitive and otherwise huge electricity consumers.
That said, the consumption figures mentioned here are quite reasonable. From November to March, about 90% of the heating energy is used. This can include months with heating costs around 200 euros.
In December, we average about 20 kWh per day, and it was freezing cold. The household uses about 10 kWh extra.
Thanks to favorable electricity tariffs and many bonuses, it’s still cheaper than gas or similar systems. Next year there will be a 500 euro bonus, making the electricity almost free 😀
I always say, if possible, go with gas. Heat pumps are very sensitive and otherwise huge electricity consumers.
That said, the consumption figures mentioned here are quite reasonable. From November to March, about 90% of the heating energy is used. This can include months with heating costs around 200 euros.
In December, we average about 20 kWh per day, and it was freezing cold. The household uses about 10 kWh extra.
Thanks to favorable electricity tariffs and many bonuses, it’s still cheaper than gas or similar systems. Next year there will be a 500 euro bonus, making the electricity almost free 😀
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