Fannin County, Texas: power grid and siting data
Fannin County is in ERCOT's NORTH load zone. It has 20 mapped substations, owned mostly by Oncor, Fannin County Electric Coop and Valley Lake Ranch; the highest voltage is 345 kV. The ERCOT queue lists 2 generation projects (1 gas and 1 wind) and 1 battery storage project here.
Substations in Fannin County
3 at 345 kV, 6 at 138 kV, 11 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Unnamed station | 345 kV | Valley Lake Ranch | 6 | map |
| Unnamed station | 345 kV | Oncor | 4 | map |
| Unnamed station | 345 kV | Kiowa Power Partnrs Llc | 2 | map |
| Unnamed station | 138 kV | Valley Lake Ranch | 9 | map |
| Tap302744 | 138 kV | Fannin County Electric Coop | 3 | map |
| Tap308058 | 138 kV | Fannin County Electric Coop | 3 | map |
| Unnamed station | 138 kV | Fannin County Electric Coop | 1 | map |
| Unnamed station | 138 kV | Fannin County Electric Coop | 1 | map |
| Unnamed station | 138 kV | Explorer Pipeline Company | 1 | map |
| Unnamed station | 69 kV | Trevino Carlos & Emy Castilleja | 3 | map |
| Unnamed station | 69 kV | Oncor | 3 | map |
| Unnamed station | 69 kV | Oncor | 3 | map |
| Tap305261 | 69 kV | Fannin County Electric | 3 | map |
| Unnamed station | 69 kV | Oncor | 3 | map |
| Unnamed station | 69 kV | Fannin County Electric | 2 | map |
| Unnamed station | 69 kV | Oncor | 2 | map |
| Unnamed station | 69 kV | TNMP | 2 | map |
| Unnamed station | 69 kV | Oncor | 2 | map |
| Unnamed station | 69 kV | TNMP | 1 | map |
| Unnamed station | 69 kV | Oncor | 1 | map |
ERCOT interconnection queue
2 generation projects are queued in Fannin County: 1 gas and 1 wind. By stage: 2 in full interconnection study. 1 battery storage project is queued, 0 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
6 planned grid projects touch Fannin County: 1 new substation and 5 new or rebuilt lines, 2 at 345 kV or above.
Wholesale power prices
The NORTH load zone averaged $39.98/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: CONIGLIO_RN $39.74, EIFSLR_UNIT1 $39.62 and ESTONIAN_ALL $39.73.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Jurisdiction
Nearest city to the county center: Dodd City (1.4 mi). Outside city limits and ETJ, development falls under county rules and state law. City limits and estimated ETJ are on the map.
Nearby counties
See Fannin County on the map
Every substation, line, queue project, pipeline and price node in Texas, plus Dub, an AI landman who answers questions about any spot. Free account, no card.
Sources: HIFLD and OpenStreetMap substations and lines, ERCOT GIS report (queue, 2026-09), ERCOT day-ahead prices, TxDOT and StratMap boundaries, Barrio Energy research. Updated 2026-11-09. Screening data only; the serving utility confirms capacity.