SunZia Transmission Case Centers on Agency Action Timeline (1)

A federal appeals panel on Wednesday seemed persuaded by arguments from tribes and conservation groups that their challenge to a transmission project wasn’t time barred.

The Tohono O’odham Nation, Center for Biological Diversity, and others sued in 2024 over BLM’s approval of the SunZia Southwest Transmission Project going through the San Pedro Valley, which holds religious and cultural significance. The project’s goal is to deliver primarily renewable energy from New Mexico to Arizona and California.

The groups’ claims “were timely under the controlling Corner Post test because they filed within two months” of the alleged injury to the cultural land, ...