Hidden Lakes BESS
9.9 MW storage in Galveston, TX · In queue since June 2023 · Proposed COD November 2025
9.9 MW
Capacity
1
Components
Battery
2y 11m
In Queue
IA Executed
IA Status
Signed Feb 2024
Queue → IA
8 months
IA → COD
1y 9m
Total Duration
8 months
Schedule
5 months past proposed COD
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2025-11-30
The Hidden Lakes BESS project is a proposed 9.9 MW battery storage project located in Galveston County, Texas. Developed by SBESS TX 6 LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-23INR0617. The project entered the queue on June 14, 2023, with a proposed commercial operation date of November 30, 2025. An Interconnection Agreement (IA) has been executed as of February 7, 2024.
The Hidden Lakes BESS project is linked to the existing Hidden Lakes operating plant (EIA ID 67844). The interconnection point is designated as HDNLAKES, PTI Bus# 38900, Load XFMR Name HDLAKE_2, at a transmission level voltage of 138 kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Galveston
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
SBESS TX 6 LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Station Name: HDNLAKES PTI Bus#: 38900 Load XFMR Name: HDLAKE_2 Transmission Level Voltage: 138 kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_HOUSTON
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- HDNLAKES_RN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
No ask pi reports yet for this entity.
ask pi about Hidden Lakes BESS
