The Department of Energy closed a $3.26 billion loan to AEP Texas on July 8, per Hoodline's coverage. The money comes from DOE's Office of Energy Dominance Financing, the Trump administration's third utility loan under that program. AEP will spend it on roughly 100 transmission and resilience projects, reconductoring or rebuilding about 2,800 miles of line across the state.
AEP has already signed agreements backing up to 41 gigawatts of potential new load through 2030. ERCOT has fielded interconnection requests totaling hundreds of gigawatts beyond the state's current peak demand. Data centers accounted for 89 percent of new power requests logged in June, per Washington Examiner reporting on the same loan. Texas now counts 335 operating data center facilities and 248 more in planning.
Energy Secretary Chris Wright tied the loan directly to that demand. The investment will "modernize Texas' electric grid, support the energy needed for AI, advanced manufacturing, the Permian Basin, and help keep electricity costs down for Texans," he said. AEP projects $685 million in customer savings over 30 years, spread across the utility's Texas customer base.
Transmission capacity and interconnection speed get the headlines because they carry a dollar figure the government can announce. The equipment that turns a substation feed into racks running at 100 kilowatts or more per cabinet does not get the same press release. Grid constraints already reshape where hyperscalers site new campuses, and turbine backlogs already push generation timelines into 2029.
CDUs, chillers, and cold plates run on their own lead times, and vendors serving Texas hyperscale campuses are already booking capacity years out. Investors backing Texas liquid cooling are betting that cooling capacity becomes the real constraint before transmission does. A reconductored line reaching a substation on schedule does not put a single rack online. That still requires a cooling plant sized to whatever density the campus deploys, commissioned on the same calendar as the interconnection. AEP's 41 gigawatts of signed load will only energize as fast as the CDU and chiller orders behind it clear. That supply chain, not the transmission backlog, sets the real go-live date.