Black Mountain Fannin Gas (29INR0191)
Black Mountain Fannin Gas is a 990.6 MW gas interconnection project in Fannin, Texas with a current status of operational. It is proposed to connect at 345 KV #1729 Valley South.
990.6 MWCapacity
OperationalStatus
FanninMarket
GasTechnology
Project facts
| Canonical name | Black Mountain Fannin Gas |
|---|---|
| Queue ID | 29INR0191 |
| Status | operational |
| Source status | SS Completed, FIS Started, No IA |
| Market | Fannin |
| Technology | Gas |
| Capacity | 990.6 MW |
| State | Texas |
| County | Fannin |
| Point of interconnection | 345 KV #1729 Valley South |
| Requested (queue) date | 2026-06-04 |
| Proposed in-service date | — |
| Operational date | 2030-04-26 |
| Withdrawn date | — |
| Developer | Black Mountain Power LLC |
| Utility / transmission owner | ERCOT |
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-09-30 | poi_name | 345 kV Valley SES #1690 | 345 KV #1729 Valley South | low |
| 2026-09-30 | phase | SS Started, FIS Started, No IA | SS Completed, FIS Started, No IA | low |
| 2026-09-30 | operational_date | — | 2030-04-26 | medium |
| 2026-09-30 | proposed_online_date | 2030-04-26 | — | medium |
| 2026-09-30 | status | active | operational | high |
| 2026-08-31 | proposed_online_date | 2029-09-28 | 2030-04-26 | medium |
| 2026-08-31 | capacity_mw | 990.6 | 990.59 | high |
| 2026-07-31 | new_project | — | active | high |
Explore related data
Source last checked2026-09-30
Data last materially changed2026-09-30
Page data generated2026-10-11
Provenance: ERCOT — Generation Interconnection Status (GIS) report. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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