Berlin will start production "next summer". My bet: end of Q1, early Q2 - even if customer deliveries take a month or two to begin like it happened in China. I don't think Texas will be ready to produce cells by then. If not locally made, these would be Fremont cells for Berlin not Austin imports.
We do know that there are many moving parts in factory development in all locations, including Fremont, GF-1 and GF-2. Elon regularly makes cryptic comments about how crucial supplier planning is and how consequential supplier failures are. The logistics alone is mind-boggling, exacerbated because Tesla has very little Tier One style suppliers. Elon has alluded to ramp-up issues frequently.
My uninformed guess is that much of those problems ahem been diminishing now that Tesla is large enough and growing enough to attract the ver best supplier talent and attention, which was NOT true even three years ago. From my perspective the Shanghai startup performance has been stunningly good. Model Y launch has been a vast improvement over Model 3. Given that, it is not really surprising that Germany seems to be building out faster even than Chain and that Austin may be equally fast.
A key difference is that recruiting for China, Germany and Texas all are benefitting by large supplies of qualified people who are often not convinced their current employment is stable.
We need to find a way to quantify these issues from a P&L and Capex perspective. Capex efficiency is obviously one of the largest benefits of Elon-speed. The pace of materials innovation and factory innovation is producing transparently obvious cost reductions in CAPEX, materials costs, building speed and on to warranty costs. This all is true for every product category from TE to Superchargers to every vehicle.
In the short term several of us are stellar including
@The Accountant @Mr Miserable @Papafox and dozens of others who have great insights in a vast variety of subjects.
Were we to be practicing our insights for public use we would be formidable. As it is we are generating highly profitable insights for each other.
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