Evelyn Battery Energy Storage System

Evelyn Battery Energy Storage System is a 221 MW battery storage request built and operating in the ERCOT interconnection queue.

Queue statusOperating

PlanningQueued Jan 2023 (completed)
ConsentedSep 2023 (completed)
Construction (completed)
OperatingSep 2025 (current stage)
Closed (not yet reached)

Request details

Queue ID: 24INR0460
Grid region: ERCOT (Texas)
Developer: Evelyn Energy Storage LLC
Connection point (POI): Hidden Lakes 138kV (38900)
Technology: Battery: 221 MW
Total requested: 221 MW
Study phase: IA
Queue status: Operational
Entered queue: 3 January 2023
Agreement signed: 14 September 2023
Proposed online date: September 2025
Came online: September 2025

Location

No county location in the queue data.

Power plants in · Transmission lines in

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