Piedra BESS
100.4 MW storage in Freestone, TX · In queue since September 2022 · Proposed COD December 2026
100.4 MW
Capacity
1
Components
Battery
3y 8m
In Queue
IA Executed
IA Status
Signed Jul 2024
Queue → IA
1y 10m
IA → COD
2y 5m
Total Duration
1y 10m
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: 2026-12-31
The Piedra BESS project is a proposed 100.4 MW battery storage project located in Freestone County, Texas. Developed by Piedra Solar, LLC, the project is interconnected within the Electric Reliability Council of Texas (ERCOT) region. It entered the ERCOT interconnection queue as queue ID ERCOT-25INR0169 on September 2, 2022, with a proposed commercial operation date of December 31, 2026.
The project's Interconnection Agreement (IA) has been executed as of July 2, 2024. The point of interconnection is the Tap 345-kV line Navarro (68091) _x0013_ Limestone (46020). The project is currently listed as active in the interconnection queue.
Generated from interconnection queue and public data sources
State
TX
County
Freestone
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Piedra Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345-kV line Navarro (68091) _x0013_ Limestone (46020)
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- FPPYD_FPP_G1
- POI Substation
- Fayette Plant 138 kV Substation
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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