6 ms·
underground is more resilient to damage but harder to do maintenance and actually much more expensive at the distribution level
by nomadiccoder 8y ago
underground is more resilient to damage but harder to do maintenance and actually much more expensive at the distribution level
- rtkwe 8y agoIt would also increase the cost a lot due to the digging and actually requiring insulation that will hold up where the overhead lines are bare aluminum insulated by air.
- msisk6 8y agoExactly. It's mostly cost that keeps underground transmission lines limited to very specific situations. I forget the exact figure, but underground transmission is something like 20x the cost of above ground.