Spencer BESS
9.9 MW storage in Harris, TX · In queue since March 2023 · Proposed COD May 2025
9.9 MW
Capacity
1
Components
Battery
3y 2m
In Queue
IA Executed
IA Status
Signed Oct 2023
Queue → IA
7 months
IA → COD
1y 7m
Total Duration
7 months
Schedule
12 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: 2025-05-01
The Spencer BESS project is a proposed 9.9 MW battery storage project located in Harris County, Texas. Developed by Harris Spencer BESS, LLC, the project consists of a single 9.9 MW battery component. It is interconnected within the ERCOT region under queue ID ERCOT-24INR0545, with an interconnection queue entry date of March 8, 2023.
The project's proposed commercial operation date is May 1, 2025. The interconnection agreement (IA) for the project has been executed as of October 31, 2023.
Generated from interconnection queue and public data sources
State
TX
County
Harris
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Harris Spencer BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Station Name: TSP STATION CODE = SP Load Transformer name = TR1 Bus#: PTI Bus number = 43271 Voltage: Transmission level kV = 138 KV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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.
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