MISO-J4189
200 MW generation in Sunflower, MS · In queue since October 2025
200 MW
Capacity
0
Components
7 months
In Queue
—
IA Status
Total Duration
7 months
Study Phase
Phase 1
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-J4189 is a proposed 200 MW solar generation project located in Sunflower County, Mississippi. The project is listed in the Midcontinent Independent System Operator (MISO) interconnection queue, with an entry date of October 6, 2025. The designated point of interconnection (POI) is the Roundaway Substation on the Clarksdale 115 kV line. The interconnecting utility is Entergy Mississippi, LLC.
The project's interconnection service type is Network Resource Interconnection Service (NRIS), and it is currently in Phase 1 of the study phase. The project's status is listed as active within the MISO queue.
Generated from interconnection queue and public data sources
State
MS
County
Sunflower
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ENTERGY MISSISSIPPI, LLC.
Entity
MISO
Service Type
NRIS
Point of Interconnection
ROUNDAWAY SS (CE) - CLARKSDALE 115.0kV
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- LOUISIANA.HUB
- Hub Confidence
- MEDIUM
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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