ᐅ Assistance with Solar Panel Decision-Making

Created on: 17 May 2025 08:36
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neutri80
Hello dear members,

We are planning to install a photovoltaic system and currently have two offers shortlisted.

We have a newly built house (2020) with a hip roof and want to cover the south/west and east sides.

Approximately 7.5 kWp can fit on our roof, and we are considering a 10 kWh (10 kWh) battery storage.

One offer includes Sharp modules and an Ecoflow Power Ocean Kit (inverter with battery), and the other includes Axsun modules, a Fronius inverter, and the new Fronius Reserva battery.

Since the second offer is almost 3000 euros more expensive, we are leaning towards the first one.

We have only read positive things about the Ecoflow storage so far. However, it has only been on the market for a short time. Fronius has been around much longer and is reputedly very reliable.

We wanted to ask here if anyone has the Ecoflow system and how satisfied you are with it?
Musketier22 May 2025 14:21
Don’t you have to install the SM anyway if you are setting up a photovoltaic system now or if your electricity consumption exceeds 6000 kWh?
N
nordanney
22 May 2025 14:24
Musketier schrieb:

Do you have to install the SM anyway if you are now installing a photovoltaic system or have an electricity consumption of more than 6000 kWh?

Formally: Yes
In reality: I've been waiting for years. Why? Because network operators are free to decide when and how they install the SM. And most network operators don’t care or find it too expensive to come out for individual customers.

Photovoltaic installation? They don’t care here (even for neighbors who just got a system installed)
Electricity consumption? They don’t care here
Wallbox installation? They don’t care here
Musketier22 May 2025 14:31
nordanney schrieb:

Formally: Yes
In reality: I’ve been waiting for years. Why? Because the network operators have the freedom to decide when and how they install the smart meters. And most network operators don’t care or find it too expensive to come out for individual customers.

Photovoltaic installation? They don’t care here (even for neighbors who just got a system)
Electricity consumption? They don’t care here
Wallbox installation? They don’t care here


For new photovoltaic systems, wallboxes, and heat pumps, shouldn’t the system owner be responsible for the installation and not the network operator?
At least I had to install one myself.
I received a new bidirectional meter from the network operator.
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nordanney
22 May 2025 15:01
Musketier schrieb:

For new photovoltaic systems / wallboxes and heat pumps, isn’t it the system owner who has to install them, not the grid operator?

At least I had to have one installed.

Do you mean the smart meter that belongs to the photovoltaic system, or the "official" one (keyword smart electricity meter)? You can only get that from the metering point operator (which is usually the local grid operator) in exchange for a fee.

I also have a Fronius smart meter for the photovoltaic system myself. But it doesn’t do much…
Musketier22 May 2025 16:33
Ah, okay, I wasn’t aware that there are differences between the smart meters from the grid operator and those from the photovoltaic system.

The bidirectional meter was recently installed at our place, but I’m not sure how advanced or “smart” it actually is. According to the user manual, it should at least be possible with an additional module.

However, since no energy supplier currently wants or is able to provide us with service, and the default supplier canceled our contract for some unknown reason, I can’t even say if this would incur any extra costs.

A small off-topic story: Never switch your electricity provider during a meter replacement. You basically disappear into the depths of the system because updating the meter number with our metering point operator usually takes about six months. Then you are no longer registered under the old meter, and the new meter isn’t yet recorded. Our old electricity provider had already been cancelled, and the new one was rejected due to the meter change. After many phone calls, the meter swap was finally completed early by the metering point operator, and the new supplier is willing to take over, but they can only backdate for six weeks if the previous provider gives clearance. However, the six weeks after cancellation have already passed. In theory, the default supplier should step in during that time. After more phone calls, a contract was arranged with them, but it was revoked yesterday. According to the agent, the reason is unclear. No one can tell us who is currently supplying our electricity. Everyone is scratching their heads, but no one can untangle this mess.
W
wiltshire
22 May 2025 17:05
motorradsilke schrieb:

Bidirectional charging is currently more hindered by politics.
Specifically, by the lobbying influence of the few corporations that have secured the majority of the power grid.