Gulf Coast Battery Storage — 200 MW / 4-hour
A standalone battery storage project with 200 megawatts of capacity and 4 hours of storage, feeding a customer-side substation that connects it to the utility. Standard battery setup, full testing, tax credit certification, energized 11 months from start.
- Client
- Independent power producer
- Region
- Gulf Coast Texas (ERCOT)
- Duration
- 11 months to energize
- Voltage
- 34.5 kV · 200 MW
- Status
- Energized
Project details.
The challenge we walked into.
An independent power producer needed standalone battery storage in ERCOT Gulf Coast territory. The schedule was tight — driven by tax credit qualification deadlines. The site was new construction, and the substation work needed to happen in parallel with the battery pad to hit the dates.
How we approached the work.
- 01
Substation built alongside the batteries
The customer-side substation was built by the same crews on a schedule that tracked the battery pad work. No handoffs between contractors, no schedule gaps.
- 02
Standard battery configuration
Batteries feeding their own inverter, then a transformer that steps the voltage up to connect to the grid. Selected because it aligned with the battery manufacturer’s warranty.
- 03
Tax credit documentation built during construction
Cost documentation for tax credit qualification was prepared during construction, not after. All documents delivered to the operator on the day the system energized.
What the client got.
200 MW battery storage with 4 hours of capacity energized 11 months from start. Tax credit documentation closed on the day of energization. The operator advanced to phase 2 (another 200 MW) with the same team.
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