New today: Two new demands on the grid make the approaching season different from previous near-miss summers. Because Texas operates largely as an isolated grid, it cannot easily draw on neighboring regions when those pressures converge—the full weight falls on a system designed to carry it alone.
The state grid was built on the assumption that demand would fall at night. As hotter evenings and around-the-clock power use erase that drop, the system is being pushed in ways its original design…