Hello,
Today I found out that two electricity meters are planned to be installed in our new single-family house:
One for general household electricity and
one for heating electricity for the heat pump.
Our electrician wants to install the latter because he believes that heating electricity is cheaper than electricity for other consumption.
Unfortunately, there is no cheaper heating electricity available in our town, and I want to keep my existing electricity contract with EON, which I signed at Media Markt with a rate of 30 cents/kWh, and use it in the new house to bill both household and heating electricity.
According to EON, I can only bill one meter with this contract.
Within the next five years, a photovoltaic system is planned to be installed. At that time, I will definitely need a second meter.
Therefore, my question is:
Is it better to have only one meter installed now to cover current needs?
Or should the second meter be installed right away for the future photovoltaic system, even if it remains unused for the first few years?
For such an unused second meter, is there only an annual meter rental fee of about 20 euros, or am I required to have a separate electricity contract for that meter with a corresponding fixed monthly fee?
Unfortunately, I received many different answers to these questions today.
Today I found out that two electricity meters are planned to be installed in our new single-family house:
One for general household electricity and
one for heating electricity for the heat pump.
Our electrician wants to install the latter because he believes that heating electricity is cheaper than electricity for other consumption.
Unfortunately, there is no cheaper heating electricity available in our town, and I want to keep my existing electricity contract with EON, which I signed at Media Markt with a rate of 30 cents/kWh, and use it in the new house to bill both household and heating electricity.
According to EON, I can only bill one meter with this contract.
Within the next five years, a photovoltaic system is planned to be installed. At that time, I will definitely need a second meter.
Therefore, my question is:
Is it better to have only one meter installed now to cover current needs?
Or should the second meter be installed right away for the future photovoltaic system, even if it remains unused for the first few years?
For such an unused second meter, is there only an annual meter rental fee of about 20 euros, or am I required to have a separate electricity contract for that meter with a corresponding fixed monthly fee?
Unfortunately, I received many different answers to these questions today.
W
WilhelmRo14 Oct 2022 14:37WilderSueden schrieb:
Heating demand of 3250 kWh/year Wow – okay, I checked:
11,700 kWh heating demand
And here:
3,900 kWh electricity demand for heating and domestic hot water
Do you have something like this for me as well? Have you been living there that long already?
Best regards
W
WilderSueden14 Oct 2022 15:29WilhelmRo schrieb:
Could you share something like that with me? Have you been moved in that long already? As I said, we are talking about calculated requirements. Move-in will probably be in January. And yes, calculated figures don’t always match reality, but the expectation is that after 1-2 years we will be roughly in that range.
What kind of house do you have? Size, standard?
WilhelmRo schrieb:
Amazing – okay, I checked:
11,700 kWh heating demand
And here:
3,900 kWh electricity demand for heating and domestic hot water.
Do you have something like this for me as well? Have you been living there for that long?
Regards WilhelmRo schrieb:
We need heating, hot water, and electricity for 3 people I find the domestic hot water demand quite remarkable. There are two of us, but you have a threefold heating demand for hot water? That’s impressive, and I already feel guilty when I let my Raindance shower run a bit longer. I shower at home every day, my wife a few times a week at the gym, but regular baths definitely more than compensate for that.
My hot water consumption over the last 12 months was:
1,668 kWh heat
674 kWh electricity
Do you run circulation continuously, or do you have a daily legionella program?
Although I just noticed that the COP seems really poor, but that’s not the topic here.
W
WilhelmRo17 Oct 2022 08:29WilderSueden schrieb:
What kind of house do you have? Size, standard? 180 sqm (1940 sq ft)
KfW 55
OWLer schrieb:
I find the domestic hot water demand quite remarkable. Me too 😳
And there are only two of us (were in 2021), and we only take baths 1-2 times per year.
I believe I can only set (have to double-check) when hot water should be generated, using a 24-hour segment dial.
Heating is scheduled at 5-7 a.m. and 4-6 p.m.
OWLer schrieb:
Have you run the circulation pump continuously or used the daily legionella program? I’ll have a look at that.
dab_dab schrieb:
Do you also have a fireplace? No — no exhaust fan (kitchen), but mechanical ventilation with heat recovery.
Regards
W
WilderSueden17 Oct 2022 08:52WilhelmRo schrieb:
180 sqm (1937 sq ft)
KFW 55180 x 35 = 6300 kWh/year calculated heat demand, so you are very close to the actual demand. A large house and one step lower in the standard makes a significant difference. The COP of 3.45 is quite moderate, and I also find the amount used for domestic hot water to be far too high.