Not so long ago, developers of the massive server farms talked about powering them with wind and solar power. But now, with the coming of power-hungry AI platforms, they’re bypassing the grid, building their own gas-fired power plants on site.By Dylan Baddour, Arcelia MartinNEW BRAUNFELS, Texas—Abigail Lindsey worries the days of peace and quiet might be nearing an end at the rural, wooded property where she lives with her son. On the old ranch across the street, developers want to build an expansive complex of supercomputers for artificial intelligence, plus a large, private power plant to run it.