MISO-J4174
140 MW storage in Poinsett, AR · In queue since October 2025
140 MW
Capacity
0
Components
7 months
In Queue
—
IA Status
Total Duration
7 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-J4174 is a proposed 140 MW battery storage project located in Poinsett County, Arkansas. The project is being developed within the Entergy Arkansas service area and has an interconnection queue entry date of October 7, 2025, in the Midcontinent Independent System Operator (MISO) queue. The project's service type is listed as NRIS (Network Resource Interconnection Service).
The project is currently listed as active in the MISO interconnection queue. No proposed commercial operation date or interconnection agreement (IA) status is available in the provided data.
Generated from interconnection queue and public data sources
State
AR
County
Poinsett
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ENTERGY ARKANSAS, LLC
Entity
MISO
Service Type
NRIS
Point of Interconnection
MARKED TREE
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- ARKANSAS.HUB
- Hub Confidence
- HIGH
- POI Substation
- Marked Tree Entergy 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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