Wood offers a renewable and sovereign source of energy. Wood fuel is available in plenty and there are lower chances you can lack ready wood fuel for sale. As for oil and gas, they are non-renewable so you can expect them to run out any time without prior warning. As for electricity, it is produced by burning fossil fuels which a limited commodity meaning it can run out any fine day.
In the end the fireplace is installed by a stone mason, who will connect the carved piece or pieces directly to the wall with specialized galvanized wall ties. The shaped stone pieces are usually connected together with bronze pins, the gaps filled in with mortar, and finally sealed with grout material. The whole process can take many days to complete, but the result is a magnificent custom modern fireplace with a distinctive style.