>> El Paso has "major" connections to New Mexico.
El Paso is not part of the Texas grid (ERCOT):
https://www.epa.gov/green-power-markets/us-grid-regions
Neither are the panhandle nor the northeastern portion.
El Paso is not part of the Texas grid (ERCOT):
https://www.epa.gov/green-power-markets/us-grid-regions
Neither are the panhandle nor the northeastern portion.
https://en.wikipedia.org/wiki/Texas_Interconnection
Most of Texas is on this grid, not connected to any other states. The total amount of power that can flow between the Texas Interconnect and the rest of the US grid is a small fraction of the Texas grid's demand. That was the point being made by the original commenter.