AUSTIN, Texas–(BUSINESS WIRE)–TAR, which builds off-grid power systems for AI data centers, today announced a $120 million Series A led by Spark Capital at a $1 billion post-money valuation. The funding will grow its Austin HQ and San Francisco engineering office, expand its West Texas logistics and manufacturing operation, and speed up deployments already underway. Power is an increasingly obvious bottleneck for AI. Interconnection queues run years long, and data center projects keep stallin