TVA-600
200 MW storage in Clay, MS · In queue since December 2023 · Proposed COD August 2026
200 MW
Capacity
1
Components
Battery
2y 5m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
2y 8m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-08-01
TVA-600 is a proposed 200 MW battery storage project located in Clay County, Mississippi. The project, under development by the Tennessee Valley Authority (TVA), entered the TVA interconnection queue on December 10, 2023, and has a proposed commercial operation date of August 1, 2026. Its interconnection point is the West Point, MS 500-kV Substation (161-kV). The project's interconnection status is currently in the Facility Study phase.
The proposed project consists of 200 MW of battery storage capacity. It is listed as an active project in the TVA interconnection queue. The project has appeared in recent news coverage regarding TVA's grid modernization efforts.
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, MS 500-kV Substation (161-kV)
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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