This is an excellent summary of current V2X capabilities;
https://www.dcbel.energy/blog/2023/01/04/new-year-new-bidirectional-cars-2023-edition/
It appears to me that the Ford Lightning's implementation of is limited currently to V2L/V2H capabilities only. The attached link indicates that the future GM approach could have the same limitations. For true V2X/DES implementation with solar on-grid capabilities, it seems the CCS protocols are needed to support bidirectionality - or a bidirectional J-1772 (AC based) converter needs to be part of the EVs on-board system.
PM me if you want more information.
https://www.dcbel.energy/blog/2023/01/04/new-year-new-bidirectional-cars-2023-edition/
It appears to me that the Ford Lightning's implementation of is limited currently to V2L/V2H capabilities only. The attached link indicates that the future GM approach could have the same limitations. For true V2X/DES implementation with solar on-grid capabilities, it seems the CCS protocols are needed to support bidirectionality - or a bidirectional J-1772 (AC based) converter needs to be part of the EVs on-board system.
PM me if you want more information.