Megamouth Energy Storage
101.3 MW storage in Harris, TX · In queue since March 2024 · Proposed COD December 2028
101.3 MW
Capacity
1
Components
Battery
2y 2m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
4y 9m
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: 2028-12-31
The proposed Megamouth Energy Storage project is a 101.3 MW battery storage facility located in Harris County, Texas. Developed by GCI Megamouth, LLC, the project entered the ERCOT interconnection queue as ERCOT-26INR0341 on March 22, 2024. The current proposed commercial operation date is December 31, 2028.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 42750 Mykawa 138 kV location. The project has appeared in recent news.
Generated from interconnection queue and public data sources
State
TX
County
Harris
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
GCI Megamouth, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
42750 Mykawa 138 kV
Data Source
LBNL + Live
- 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.
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