Neutral
Informational - no clear directional impact
Low Impact
Minor progress or informational
In 2017, the HVDC Gotland system, which includes the Gotland 3 monopolar link between Västervik on the Swedish mainland and Ygne on Gotland, received IEEE Milestone recognition for demonstrating the viability of high‑voltage direct current technology for long‑distance submarine transmission and its historical significance in electrical engineering.