Tesla's energy storage business is growing faster than any other part of the company

Core Insights - Tesla's energy storage business significantly mitigated the impact of a poor earnings report, with a 45% decline in profit compared to 2024, primarily due to reduced electric vehicle sales [1] - The company achieved a record deployment of 46.7 gigawatt-hours of energy storage products in 2025, marking a 48% increase from the previous year [2] - Energy storage now accounts for nearly 25% of Tesla's gross profit, with the Megapack alone contributing $1.1 billion to the storage business's total gross profit of $3.8 billion for the year [2] - The gross margin for energy storage products stands at 29.8%, nearly double that of Tesla's automotive sales [3] Financial Performance - Tesla's storage and energy generation revenues increased by 26.5% to $12.8 billion [2] - The company anticipates recognizing $4.96 billion in deferred revenue from ongoing projects in 2026, more than double the amount recognized in 2025 [4] Market Dynamics - The One Big Beautiful Bill Act (OBBBA) has phased out tax credits for residential energy storage systems, although commercial tax credits for larger products will continue [7] - Despite a decrease in the average selling price of the Megapack, sales volumes increased, indicating heightened competition in the energy storage market [7] - Tesla remains optimistic about the future of its storage business, citing opportunities for energy storage products to stabilize the grid and provide additional power capacity as AI infrastructure drives load growth [9]