I've wondered why it wasn't underground as well. I live in Colorado and have underground at my house. The EIA says underground is 5-10x more expensive. https:/

I've wondered why it wasn't underground as well. I live in Colorado and have underground at my house. The EIA says underground is 5-10x more expensive. https://www.eia.gov/todayinenergy/detail.php?id=7250 https://www.eia.gov/todayinenergy/detail.php?id=7250