ᐅ My bike shed is now getting a metal roof.

Since I still had exactly the right amount of aluminum sheets left, I started adding a metal roof to my bike shelter.
If all goes well, it will fit exactly 5 photovoltaic panels, which will be installed as soon as the ridiculous 600-watt limit is lifted (01.01.2024).
But above all, I wanted to share with you the interesting evening sky over Münsterland ;-)

@i_b_n_a_n .. but it will probably increase to a maximum of 800 W with a maximum of 2 kW module capacity. What exactly is stopping you, with your new distribution board and everything set up, from installing a system with inverters/string inverters that match the modules and thus producing more, ideally for self-consumption otherwise for feeding into the grid? And perhaps adding storage at some point in the future?

Will the roof be watertight?

How large is the area?

The roof pitch does not seem very effective.

Are you going to green the roof? (Oh dear, I think I’ve developed a new fetish, see the garden thread. ;-) )

Many questions: A photovoltaic system with 6.5 kWp and a 4 kWh battery is already installed facing south. The existing inverter even has a second input, and the small additional system might be connected there (although the modules probably won’t generate enough voltage for the string on this inverter), which is already at its load limit. These extra modules facing north will be much less efficient because they are mounted flat and often partially shaded. However, since I’m installing it myself and prices have dropped, I’ll do it anyway — even if it’s just for fun ;-)

A green roof is not possible (the structural integrity does not allow it, and there will be photovoltaic modules installed). I have already greened all other possible roof areas (two flat dormers and the technical room). In theory, a green roof beneath raised photovoltaic modules would be possible, but I neither want to nor can undertake the effort (reinforcing the structure, purchasing more expensive substructures for the photovoltaic system, etc.).

Whether the roof is watertight or not will become clear later. If not, it’s not a big problem since only bicycles will be stored there. But from the top down: photovoltaic modules, overlapping aluminum sheet, roofing membrane, solid wood planks, underlying substructure, and another underlay membrane should be sufficient ;-)

Then you don’t need to adhere to the BKW limits, or rather, a BKW is an extension of the existing system. Therefore, you can equip your 5 possible modules with a suitable inverter or string inverter and simply register an extension for your current system.