We have plenty of long-distance HVDC links, one of the most prominent being https://en.wikipedia.org/wiki/Quebec_%E2%80%93_New_England_Transmission https://en.w

We have plenty of long-distance HVDC links, one of the most prominent being https://en.wikipedia.org/wiki/Quebec_%E2%80%93_New_England_Transmission https://en.wikipedia.org/wiki/Quebec_%E2%80%93_New_England_T..., which also helped isolate Quebec from the Northeast blackout of 2003 https://en.wikipedia.org/wiki/Northeast_blackout_of_2003 https://en.wikipedia.org/wiki/Northeast_blackout_of_2003