Milam County, Texas: power grid and siting data
Milam County is in ERCOT's NORTH load zone. It has 13 mapped substations, owned mostly by Oncor, Brazos and Slr Property I Lp; the highest voltage is 345 kV. The ERCOT queue lists 16 generation projects (14 solar and 2 gas) and 14 battery storage projects here.
Substations in Milam County
3 at 345 kV, 8 at 138 kV, 2 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Sandow Station | 345 kV | Oncor | 9 | map |
| Talbert Ridge | 345 kV | Brazos | 2 | map |
| Rogers | 345 kV | Oncor | 2 | map |
| Minerva | 138 kV | Oncor | 4 | map |
| Unnamed station | 138 kV | Slr Property I Lp | 4 | map |
| Silver City | 138 kV | Brazos | 4 | map |
| Unnamed station | 138 kV | Slr Property I Lp | 3 | map |
| Thorndale North | 138 kV | Oncor | 3 | map |
| Unnamed station | 138 kV | Smith John A Iii | 3 | map |
| Rockdale North | 138 kV | Oncor | 2 | map |
| Salty | 138 kV | Brazos | 2 | map |
| Buckholts | 69 kV | Brazos | 1 | map |
| Unnamed station | 69 kV | Chaparral Pipeline Company Lp | 1 | map |
ERCOT interconnection queue
16 generation projects are queued in Milam County: 14 solar and 2 gas. By stage: 9 with a signed interconnection agreement, 5 in full interconnection study and 2 done with the full study. 14 battery storage projects are queued, 6 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
13 planned grid projects touch Milam County: 7 new substations and 6 new or rebuilt lines, 11 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: JUNG_SLR_RN $47.56, STLHS_SL_RN $35.19 and HRMS_SLR_RN $35.09.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Data centers and large loads
3 announced data center campuses in Milam County, 3 at or above ERCOT's 75 MW large load threshold.
- ERCOT Sorted the Queue and Published Nothing, So the Market Built Its Own Scoreboard The Grid Report 2026-09-13
- $161 a Kilowatt-Month in Tulsa, 333 Watts a Foot in Dowagiac: The Middle Market Prices Live Power Edge Cases 2026-09-08
- Around the Queue, Not Through It: $35 Billion in Nueces County, 400 Miles of 765 kV, and a Batch Zero List Three Days Late The Grid Report 2026-09-04
- Twenty Megawatts: Now a Zoning Trigger, Still a Financing Orphan Edge Cases 2026-08-11
- Hut 8 Books a $9.8 Billion Tenant, and the Texas Queue Tilts Back to Gas The Grid Report 2026-05-08
Jurisdiction
Nearest city to the county center: Cameron (3.8 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 Milam 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.