Lamar County, Texas: power grid and siting data
Lamar County is in ERCOT's NORTH load zone. It has 15 mapped substations, owned mostly by Oncor, Lamar County Electric Coop and La Frontera Holdings Llc; the highest voltage is 345 kV. The ERCOT queue lists 17 generation projects (13 solar, 2 gas, 1 wat and 1 wind) and 7 battery storage projects here.
Substations in Lamar County
1 at 345 kV, 6 at 138 kV, 8 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Unnamed station | 345 kV | Oncor | 11 | map |
| Unnamed station | 138 kV | La Frontera Holdings Llc | 4 | map |
| Unnamed station | 138 kV | Kimberly Clark Corp | 4 | map |
| Unnamed station | 138 kV | Mclemore Theodore Family Partnership Two Ltd | 3 | map |
| Unnamed station | 138 kV | Oncor | 3 | map |
| Unnamed station | 138 kV | not recorded | 2 | map |
| Unnamed station | 138 kV | Lamar County Electric Coop | 1 | map |
| Unnamed station | 69 kV | Oncor | 4 | map |
| Unnamed station | 69 kV | Campbell Soup Supply Llc A Delaware Corp | 4 | map |
| Unnamed station | 69 kV | Roddy Family 2023 Trust Laurance M & Teresa A | 3 | map |
| Tap305195 | 69 kV | Lamar County Electric Coop | 3 | map |
| Tap310656 | 69 kV | Owens Steven L | 3 | map |
| Unnamed station | 69 kV | Oncor | 2 | map |
| Unnamed station | 69 kV | Oncor | 2 | map |
| Unnamed station | 69 kV | Lamar County Electric Coop | 1 | map |
ERCOT interconnection queue
17 generation projects are queued in Lamar County: 13 solar, 2 gas, 1 wat and 1 wind. By stage: 12 with a signed interconnection agreement and 5 in full interconnection study. 7 battery storage projects are queued, 3 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 Lamar County: 1 new substation, 3 new or rebuilt lines and 2 substation upgrades, 4 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: GODY_SLR_RN $38.38, 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.
Data centers and large loads
1 announced data center campus in Lamar County, 1 at or above ERCOT's 75 MW large load threshold.
Jurisdiction
Nearest city to the county center: Paris (0 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 Lamar 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.