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United States › Grid › Interconnection queues › Arkansas

BATTERY STORAGE · MISO

Battery storage project J4082, Jefferson County

Battery storage project J4082, Jefferson County is a 500 MW battery storage request in interconnection study in the MISO interconnection queue, in Jefferson County, Arkansas, connecting to ENTERGY ARKANSAS.

Queue statusIn planning
  1. PlanningQueued Oct 2025 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Jun 2030 (not yet reached)
  5. Closed (not yet reached)

Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.

Request details

Queue ID
J4082
Grid region
MISO (Midcontinent)
Utility / transmission owner
ENTERGY ARKANSAS
Connection point (POI)
Other_
Location
Jefferson County, Arkansas
Technology
Battery: 500 MW
Total requested
500 MW
Service type
Network resource (NRIS)
Queue status
Active
Entered queue
7 October 2025
Proposed online date
June 2030

Location

Marker shows the centre of Jefferson County; the queue data does not give exact sites.

Power plants in Arkansas · Transmission lines in Arkansas

Other requests in Jefferson County

Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem