MISO-S1116
100 MW storage in Tallahatchie, MS · In queue since August 2025
100 MW
Capacity
0
Components
9 months
In Queue
—
IA Status
Total Duration
9 months
Interconnection request submitted to ISO/RTO
MISO uses the Definitive Planning Phase (DPP) process with 3 study phases.
Typical: 30–40 months (historical); 12 months target
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial operation date not yet determined
MISO-S1116 is a proposed 100 MW battery storage project located in Tallahatchie County, Mississippi. The project is listed in the Midcontinent Independent System Operator (MISO) interconnection queue, with an entry date of August 31, 2025. The interconnecting utility is Entergy Mississippi, LLC.
The project's service type is System Impact Study (SIS) and its interconnection status is active.
Generated from interconnection queue and public data sources
State
MS
County
Tallahatchie
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ENTERGY MISSISSIPPI, LLC.
Entity
MISO
Service Type
SIS
Point of Interconnection
WEBB
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- LOUISIANA.HUB
- Hub Confidence
- HIGH
- POI Substation
- Webb City 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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