Emerald Hill Energy Storage
261.02 MW storage in Dallas, TX · In queue since February 2023 · Proposed COD September 2026
261.02 MW
Capacity
1
Components
Battery
3y 3m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
3y 7m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-09-14
Emerald Hill Energy Storage is a proposed 261.02 MW battery storage project located in Dallas County, Texas. The developer is Emerald Hill Energy Storage LLC. The project is interconnected within the ERCOT region and entered the ERCOT interconnection queue as queue ID ERCOT-25INR0363 on February 27, 2023. Its proposed commercial operation date is September 14, 2026, and its interconnection status is currently in the Facility Study phase.
The proposed project is linked to the existing Emerald Hill Energy Storage operating plant (EIA ID 68015). It has also been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Dallas
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Emerald Hill Energy Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Desoto Switch (2431) - Cedar Hill Switch (2420) 345kV Line
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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.
Last updated 2026-03-26
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