Tesla Megapack 3 Production, Terafab Gigafactory, and FSD Updates - August 2026

Key points

• •Tesla has made significant advancements in its energy storage solutions with the launch of a 500 MWh Megapack battery at Ørsted’s Old 300 project in Texas, which enhances grid stability and renewable energy integration. Simultaneously, Tesla started production of its advanced Megapack 3 with 28% more energy per unit at a new Brookshire megafactory capable of 50 GWh/year, completed in just 16 months, underscoring rapid scaling of battery manufacturing capacity.[Electrek Tesla News][Tesla subreddit RSS][Electrek Tesla News]
• •The new Brookshire, Texas Megafactory is a key milestone for Tesla’s energy business, with a designed capacity of 50 GWh annually focusing exclusively on producing Megapack 3 units. This facility's rapid construction timeline of 16 months highlights Tesla's accelerated expansion in the grid-scale battery market with improved product energy density.[Tesla subreddit RSS][Electrek Tesla News]
• •Tesla and SpaceX are collaborating on a massive $16.8 billion Terafab semiconductor fabrication facility in Grimes County, Texas, intended to boost semiconductor production essential for Tesla’s electric vehicles and automation technologies. The confirmed first phase signals a major investment in ensuring supply chain security and advanced chip manufacturing capacity for automotive and aerospace applications.[Electrek Tesla News]
• •Tesla aggressively reduced its Full Self-Driving subscription to about $50 monthly and cut the price of the Model Y by $5,000 in August 2026 to increase adoption rates and enhance the data collection process needed to train Tesla’s AI driving systems. This pricing strategy underlines Tesla’s push to accelerate AI development through increased fleet data input.[Tesla subreddit RSS]
• •Despite advances in Tesla's autonomous driving capabilities, users report ongoing Full Self-Driving software challenges, including confusion over route decisions that have led to near-miss incidents such as steering errors near poles. These reports highlight continuing software limitations and the critical role of driver intervention to maintain safety.[Tesla subreddit RSS]
• •Tesla continues to expand its electric vehicle performance data with a detailed Drag Race Database featuring 122 head-to-head matchups between models like the Model S Plaid and Model 3 Performance, providing enthusiasts and analysts detailed insights into Tesla’s vehicle acceleration and competitive benchmarks.[Tesla subreddit RSS]

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