Mayberry II BESS (23INR0807)
Mayberry II BESS is a 9.9 MW battery interconnection project in Hidalgo, Texas with a current status of operational. It is proposed to connect at Bus Name: Mayberry, _x000D_ Load name: 1, _x000D_ Bus number: 8109, _x000D_ Voltage: 138kV.
9.9 MWCapacity
OperationalStatus
ERCOTMarket
BatteryTechnology
Project facts
| Canonical name | Mayberry II BESS |
|---|---|
| Queue ID | 23INR0807 |
| Status | operational |
| Source status | operational |
| Market | ERCOT |
| Technology | Battery |
| Capacity | 9.9 MW |
| State | Texas |
| County | Hidalgo |
| Point of interconnection | Bus Name: Mayberry, _x000D_ Load name: 1, _x000D_ Bus number: 8109, _x000D_ Voltage: 138kV |
| Requested (queue) date | 2024-01-25 |
| Proposed in-service date | 2025-01-20 |
| Operational date | 2025-01-21 |
| Withdrawn date | — |
| Developer | SMT Mission II LLC |
| Utility / transmission owner | ERCOT |
What changed
No material field-level changes have been recorded for this project since the baseline snapshot. interXdata detects changes as new source snapshots are ingested and diffed against prior state.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-07-31
Page data generated2026-08-27
Provenance: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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