Losses are a lot lower with DC transmission, but it has been traditionally more expensive. Costs are coming down now as more research and better power electronics are becoming available.
Edit. Here’s a pretty well know one in the US, the Pacific Intertie
Losses are a lot lower with DC transmission, but it has been traditionally more expensive. Costs are coming down now as more research and better power electronics are becoming available.
Edit. Here’s a pretty well know one in the US, the Pacific Intertie
https://en.wikipedia.org/wiki/Pacific_DC_Intertie