This is dependent on the cost of installation and the substance the tiles are made of.
How to mount solar panels to tile roof.
In this article the company discusses its recommended technique for installing solar on a tile roof.
First your installer can put s hooks under the tile for your system to be mounted on.
Installing solar panels over your tile roof is a challenging job.
Too much pressure from walking on your roof can cause your tiles to crack.
For general installation one must remove the tile where the hook will be locate the rafters and carefully pre drill a hole.
Is it possible to install solar panels on a tile roof.
If you should use the wrong drill bit you will cause too much vibration as you are drilling through the tile which will also result in breakage.
Another method of attaching solar racking to a tile roof is by removing individual tiles and cutting or drilling holes through them.
The holes then allow the installer to poke the mounts through the tile and bolt into the wood sheathing underneath.
Secure the roof mounts with bolts or screws and seal it in order to prevent water from penetrating.
Your tile is weatherproof but not weight proof.
For instance it is very expensive to fit a solar system on tiles made out of clay compared to installing on tiles made using concrete.
Your installer would temporarily remove the tiles install the hooks underneath into the roof then put the tile back over the mount and rack the system from there.