SpaceX significantly increased its procurement of energy storage systems from Tesla in the second quarter, according to financial filings reviewed by CNBC.

The aerospace and defense company is deploying Tesla's Megapack batteries to support the power requirements of its Colossus AI data centers located in Greater Memphis.

The company recently reported a 92% year-over-year revenue increase for the second quarter, marking its first earnings release since going public.

This move underscores the deepening operational integration between the two companies led by Elon Musk, as SpaceX scales its artificial intelligence infrastructure.

The surge in energy product spending coincides with SpaceX's broader financial expansion.

The company recently reported a 92% year-over-year revenue increase for the second quarter, marking its first earnings release since going public.

That growth was largely driven by the expansion of its Starlink satellite internet service, but the new filings highlight the capital intensity of its AI ambitions.