The government data source for this battery is the U.S. Energy Information Administration (EIA)
https://www.eia.gov/electricity/monthly/
Info from the 2022-02 report (Project first appeared in the 2021-04 report):
Plant Name / State
Gambit Energy Storage - Angleton Storage / TX
go live / power
2021-06 / 100MW
status / status verbose
operation / operation
Plant id / generator id
64528 / 1
Entity name / entity id
Tesla Inc. / 60947
Changes: 2021-08
status: construction -> operation πΎ π πΈ
status_verbose: (V) Under construction, more than 50 percent complete -> operation 2021-06
status: planning -> construction ποΈ
status_verbose: (T) Regulatory approvals received. Not under construction -> (V) Under construction, more than 50 percent complete