Tesla reports tonight. The white blocks in this photo are also its business 🔋 These are Megapacks: large batteries that store electricity for later use, such as after peak solar production hours. The customer purchases an energy system. This business has its own pricing, costs, and delivery schedules. In the second quarter of 2026, Energy revenue increased 13% year-over-year. However, its gross margin fell from 30.3% to 20.4%, primarily due to selling prices, product mix, and warranty adjustments. On October 21, the deployed storage volumes will provide part of the answer. The margin will reveal whether Tesla is profiting more effectively from these installations.