MISO-S1170
100 MW storage in Union, AR · In queue since June 2025 · Proposed COD March 2028
100 MW
Capacity
0
Components
1y 4m
In Queue
—
IA Status
COD target: 2028
One connected view of the asset's ownership, operating or development evidence, grid context, commercial relationships, history, and forward outlook.
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Total Duration
2y 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: 2028-03-01
MISO-S1170 is a proposed 100 MW battery energy storage development project located in Union County, Arkansas. The project is listed in the interconnection queue of the Midcontinent Independent System Operator (MISO) with a technology designation of battery storage. The transmission owner associated with the project is Entergy Arkansas, LLC. The developer has not been publicly identified in the available queue data.
The project entered the MISO interconnection queue on June 27, 2025, and its status is listed as active. It proposes to interconnect at the Huttig substation–Strong substation 115.0 kV transmission line, and its service type is recorded as SIS. The proposed commercial operation date is March 1, 2028. No interconnection agreement status is reported in the queue data.
Generated from interconnection queue and public data sources
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
AR
County
Union
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
ENTERGY ARKANSAS, LLC EATO
Entity
MISO
Service Type
SIS
Point of Interconnection
HUTTIG SS - STRONG SS 115.0kV
Data Source
Live · MISO
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- MISO
- Trading Hub
- ARKANSAS.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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Ask about Project MISO-S1170Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
