The Environmental Integrity Project is a nonprofit advocacy organization that has filed legal challenges and comments regarding air quality permitting for data centers and other industrial facilities in Texas.
Referenced in 6 briefingsLast referenced: September 22, 2026
Environmental Integrity Project, Sierra Club, and Public Citizen sued Vantage Data Centers and VoltaGrid in federal court over two Westover Hills campuses near SeaWorld in San Antonio.
That same private-generation model is drawing the sharpest opposition in Bexar County, where Public Citizen, Sierra Club, and the Environmental Integrity Project filed a July 22 complaint against two Vantage campuses over their 423 MW of VoltaGrid gas capacity, alleging they took minor-source air permits that should be major-source.
Bottom line: developers securing long-term gas supply and early TCEQ air permits move faster than transmission position allows, but on-site combustion is already drawing Sierra Club and Environmental Integrity Project legal threats.
Vantage Data Centers and VoltaGrid face a 60-day notice of intent to sue from Environmental Integrity Project, Sierra Club, and Public Citizen over two San Antonio sites.
The Environmental Integrity Project counts 32 of 74 proposed 100+ MW gas plants in Texas, and nearly 90% of proposed plants sit in counties where life expectancy trails the U.S. average.
The Environmental Integrity Project counts 37 dedicated Texas gas plants planned for data centers, roughly 63 GW of capacity, led by Fermi America's Project Matador near Amarillo at up to 17 GW.