Megamouth Energy Storage
ERCOT queue ID 26INR0341
| Queue ID | 26INR0341 |
|---|---|
| Project name | Megamouth Energy Storage |
| Status (as published) | SS Completed, FIS Completed, IA |
| Substation | Mykawa |
| Point of interconnection | 42750 Mykawa 138 kV |
| County | Harris |
| State | TX |
| Voltage | 138 kV |
| Capacity | 101.3 MW |
| Resource (as published) | OTH/BA |
| Resource category | Battery (normalised for filtering) |
| Target commercial operation | 2028-12-31 |
| Source dataset | large |
Tracked changes
2 changes observed between weekly snapshots of the ERCOT queue since ERCOT tracking began on August 27, 2026. MW is nameplate as filed; for a capacity revision it is the change, not the new total.
| Detected | Change | MW | Status was → now |
|---|---|---|---|
| 2026-10-05 | Status change | n/a | Inactive → SS Completed, FIS Completed, IA |
| 2026-09-07 | Terminal status | 101.3 | SS Completed, FIS Completed, IA → Inactive |
Additional filed fields
| Interconnecting Entity | GCI Megamouth, LLC |
|---|---|
| Cdr Zone | HOUSTON |
| Fuel Code | OTH |
| Technology Code | BA |
| Ia Signed | 45979 |
| Screening Study Complete | 45462 |
| Fis Approved | 45552 |
Fields shown are those promoted into this dataset. The original ISO filing may contain further columns (study reports, agreement dates, milestone flags) that are retained in the pipeline but not all surfaced here. Always confirm against the ISO's published queue before relying on any value.