TVA-429
200 MW storage in Clay, MS · In queue since April 2020 · Proposed COD November 2027
200 MW
Capacity
1
Components
Battery
6y 1m
In Queue
IA Executed
IA Status
COD target: 2027
Total Duration
7y 7m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2027-11-12
TVA-429 is a proposed 200 MW battery storage project located in Clay County, Mississippi. The project, developed by the Tennessee Valley Authority (TVA), is interconnected to the West Point 161-kV Substation. It is listed in the TVA interconnection queue as of April 29, 2020, with a proposed commercial operation date of November 12, 2027. The project's interconnection agreement (IA) has been executed.
The development project consists solely of battery storage, with a total capacity of 200 MW. It is currently listed as active in the interconnection queue.
Generated from interconnection queue and public data sources
State
MS
County
Clay
Grid Region
Southeast
Market
—
Developer
—
Utility
Tennessee Valley Authority
Entity
TVA
Service Type
—
Point of Interconnection
West Point 161-kV Substation
Data Source
LBNL
- ISO / RTO
- SOUTHEAST
- Trading Hub
- Southern Company
- Hub Confidence
- UNKNOWN
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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