Tidwell Prairie IV Energy Storage
202.88 MW storage in Robertson, TX · In queue since November 2021 · Proposed COD June 2027
202.88 MW
Capacity
1
Components
Battery
4y 6m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
5y 7m
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-06-01
Tidwell Prairie IV Energy Storage is a proposed 202.88 MW battery storage project in Robertson County, Texas. Developed by Tidwell Prairie LLC, the project is located within the ERCOT region and entered the interconnection queue as ERCOT-23INR0421 on November 15, 2021. The proposed commercial operation date is June 1, 2027, and its interconnection status is currently in the Facility Study phase.
The project is linked to the existing Tidwell Prairie Storage 1 operating plant (EIA ID: 66337). The point of interconnection is Tap TNP ONE 39950 and Twin Oak 3400. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Robertson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Tidwell Prairie LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap TNP ONE 39950 and Twin Oak 3400
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- TDWLPR_1_RN
- POI Substation
- Phillips Coal 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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