ᐅ Is it beneficial to prepare for photovoltaic systems during new construction?

I had a discussion in a very early preliminary meeting with the electrician assigned to me about why a cable isn’t just installed from the start. What are the arguments for and against this?

I wanted to install the photovoltaic system later because the developer probably doesn’t have any providers or only offers them at a high extra cost.

There is a lot happening in this area right now, with constantly improved models, especially for batteries.

I planned to address this topic and get one when switching to an electric car becomes relevant.

We don’t have a heat pump but a district heating network, so a photovoltaic system wouldn’t provide any heating benefits, only for regular electricity use.

Pwnage619 schrieb:

I wanted to install the photovoltaic system later because the developer probably has no providers or only offers them at a high additional cost.

We also plan to retrofit later, so we installed empty conduits. I just checked the electrical bill again: For two empty conduits, 40mm (1.6 inches) in diameter, running from the flat roof and the hip roof to the technical room, I paid a flat rate of €80 (material and installation). That’s hardly worth doing it myself. So: It’s always worth having a discussion with the general contractor’s electrician—especially since I don’t know anyone who managed to avoid extra costs on the electrical work.

At that price, you don't have to think twice.

I'll ask how expensive it is.
You only need 1-2 empty conduits, right?

Pwnage619 schrieb:

You only need 1-2 empty conduits, right?

Yes!

Ah, thanks for this thread, it fits perfectly, so I’ll check again if anything has happened on my side.

Back then, I had conduits for photovoltaic systems included by the general contractor. The solar installer has already been on the roof and installed the modules. However, I’m not sure if I ever discussed the conduit from the basement to the roof for the photovoltaic system with the electrician.