MISO-J4056
310 MW generation in Marshall, IA · In queue since August 2025
310 MW
Capacity
0
Components
9 months
In Queue
—
IA Status
Total Duration
9 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-J4056 is a proposed 310 MW wind generation project located in Marshall County, Iowa. The project, under consideration in the Midcontinent Independent System Operator (MISO) interconnection queue, entered the queue on August 27, 2025. It is currently in Phase 1 of the study phase for Non-Retail Service (NRIS). The point of interconnection is the Lehigh - Marshalltown (Twinkle) 345kV line.
The project is listed as active within the MISO queue. No developer is specified in the data.
Generated from interconnection queue and public data sources
State
IA
County
Marshall
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
—
Entity
MISO
Service Type
NRIS
Point of Interconnection
Lehigh - Marshalltown (Twinkle) 345kV
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- MINN.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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