TESLA CRYSTAL SUN: Fort Bend County, TX - September 20th, 2026
It was a sunny day with a few scattered clouds on Sunday, so I drove over to Fort Bend County and flew over the proposed Crystal Sun Solar Factory site, and then the brand new Ørsted Old 300 Megapack site. Both are within a 10 minute drive of each.
The video is in 2 parts and here is some info on the two sites.
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PART 1: CRYSTAL SUN
Tesla’s Project Crystal Sun is a proposed $10.1 billion solar cell and module factory in Fort Bend County, Texas, off FM 762 and FM 1994 near Richmond, on about 3,050 acres inside Lamar CISD. The plant would make cells and modules in-house (ingot through module).
Construction is targeted 2026–2028, with production Q1 2029. Filing lists 1,147 construction jobs and 9,712 permanent jobs by 2033.
Tesla filed for JETI tax incentives July 22nd, and say it is still choosing between this site and another U.S. location. Lamar CISD voted 7-0 on September 15th to approve a 10-year school tax limitation. State JETI approval is still pending.
PART II: ØRSTED OLD 300 TESLA MEGAPACK SITE
This Battery Energy Storage System (BESS) is located 10 minutes southeast of Crystal Sun in nearby Needville.
The published project rating is 250 MW / 500 MWh. I count 166 Megapacks which would be closer to 315 MW / 639 MWh. It reached commercial operations on August 5th, 2026, and is fully connected to the ERCOT grid.
The site sits next to Ørsted’s 430 MW Old 300 Solar farm. The solar plant started operating in October 2024, uses bifacial single-axis tracking panels, and generates enough electricity for roughly 80,000 Texas homes and businesses. Microsoft holds a 2021 power purchase agreement for the solar output.
The Megapacks and solar farm share the site but run independently. The Megapacks can charge from or discharge to the wider ERCOT grid, not only from the adjacent solar array.