United States › Grid › Interconnection queues › Mississippi
BATTERY STORAGE · MISOBattery storage project S1127, Washington County
Battery storage project S1127, Washington County is a 170 MW battery storage request in interconnection study in the MISO interconnection queue, in Washington County, Mississippi, connecting to ENTERGY MISSISSIPPI, LLC..
- PlanningQueued Nov 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Jun 2027 (not yet reached)
- 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
- S1127
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- ENTERGY MISSISSIPPI, LLC.
- Connection point (POI)
- GERALD ANDRUS SES SWYD - TINNIN ROAD 230.0kV
- Location
- Washington County, Mississippi
- Technology
- Battery: 170 MW
- Total requested
- 170 MW
- Queue status
- Active
- Entered queue
- 10 November 2025
- Proposed online date
- June 2027
Location
Marker shows the centre of Washington County; the queue data does not give exact sites.
Power plants in Mississippi · Transmission lines in Mississippi
Other requests in Washington County
- Solar project J1458, Washington CountySolar · 200 MW · under construction
- Solar project J4121, Washington CountySolar · 300 MW · in study
- Solar project J2175, Washington CountySolar · 350 MW · withdrawn
- Solar project J3375, Washington CountySolar · 200 MW · withdrawn
- Solar project J3126, Washington CountySolar · 200 MW · withdrawn
- Solar project J945, Washington CountySolar · 200 MW · withdrawn
- Solar + storage project J3748, Washington CountySolar + storage · 200 MW · withdrawn
- Solar + storage project J2905, Washington CountySolar + storage · 100 MW · withdrawn
- Solar project J1070, Washington CountySolar · 100 MW · withdrawn
- Solar project J3657, Washington CountySolar · 50.0 MW · withdrawn
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