MISO-J3139
225 MW generation in Holmes, MS · In queue since September 2022 · Proposed COD June 2026
225 MW
Capacity
1
Components
Solar
3y 8m
In Queue
In Progress (unknown study)
IA Status
COD target: 2026
Total Duration
3y 9m
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)
Proposed COD: 2026-06-30
MISO-J3139 is a proposed solar generation project located in Holmes County, Mississippi, with a total capacity of 225 MW. The project is listed in the Midcontinent Independent System Operator (MISO) interconnection queue, having entered the queue on September 13, 2022. The proposed commercial operation date is June 30, 2026.
The interconnecting utility is Entergy Mississippi, LLC. The interconnection agreement status is listed as "In Progress (unknown study)".
Generated from interconnection queue and public data sources
State
MS
County
Holmes
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ENTERGY MISSISSIPPI, LLC.
Entity
MISO
Service Type
—
Point of Interconnection
Pickens 230 kV Substation
Data Source
LBNL + Live
- ISO / RTO
- MISO
- Trading Hub
- LOUISIANA.HUB
- Hub Confidence
- HIGH
- POI Substation
- Pickens 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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