SpaceX Spent $329 Million on Tesla Megapacks in First Half of 2026

SpaceX disclosed $329 million in Tesla Megapack purchases through H1 2026 — $295 million in Q2 alone — per its August 4 earnings report. The batteries back up and smooth power for xAI data centers, where GPU workloads swing sharply between training and inference. Google is paying $920 million monthly for that compute, with a September 30 delivery deadline.