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United States › Grid › Interconnection queues › New Mexico

BATTERY STORAGE · WEST

Es300B

Es300B is a 300 MW battery storage request in interconnection study in the West interconnection queue, in Otero County, New Mexico, connecting to El Paso Electric Company.

Queue statusIn planning
  1. PlanningQueued Jun 2025 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Dec 2028 (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
Q25-LG-6-13-5
Grid region
West (non-ISO utilities)
Utility / transmission owner
El Paso Electric Company
Connection point (POI)
Escondido 115 kV Substation
Location
Otero County, New Mexico
Technology
Battery: 300 MW
Total requested
300 MW
Service type
NRIS and ERIS
Study phase
In Progress (unknown study)
Queue status
Active
Entered queue
13 June 2025
Proposed online date
December 2028

Location

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

Power plants in New Mexico · Transmission lines in New Mexico

Other requests in Otero 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