Montgomery County, Texas: power grid and siting data
Entergy (non-ERCOT) owns most of the substations near the county center. It has 46 mapped substations, owned mostly by Entergy (non-ERCOT), Brazos and Sam Houston Electric Cooperative; the highest voltage is 345 kV. The ERCOT queue lists 0 generation projects and 1 battery storage project here.
Substations in Montgomery County
1 at 345 kV, 2 at 230 kV, 41 at 138 kV, 2 at 69 kV and below. The 30 highest-voltage stations are listed; the map shows all 46.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Oak Ridge | 345 kV | Entergy (non-ERCOT) | 3 | map |
| Peach Creek | 230 kV | Entergy (non-ERCOT) | 2 | map |
| Lewis Creek 230 kV | 230 kV | Entergy (non-ERCOT) | 2 | map |
| Lewis Creek | 138 kV | Entergy (non-ERCOT) | 9 | map |
| Porter | 138 kV | Entergy (non-ERCOT) | 6 | map |
| Conroe Bulk | 138 kV | Entergy (non-ERCOT) | 5 | map |
| Ponderosa | 138 kV | Entergy (non-ERCOT) | 5 | map |
| Crystal | 138 kV | Entergy (non-ERCOT) | 4 | map |
| New Caney | 138 kV | Entergy (non-ERCOT) | 4 | map |
| Gosling | 138 kV | Entergy (non-ERCOT) | 3 | map |
| Tap305366 | 138 kV | Entergy (non-ERCOT) | 3 | map |
| Conair | 138 kV | Entergy (non-ERCOT) | 3 | map |
| Tap310629 | 138 kV | Soudi Steve & Hassan A Ahrabi | 3 | map |
| Tap310756 | 138 kV | Entergy (non-ERCOT) | 3 | map |
| Tap310781 | 138 kV | Corley Duane T Tree | 3 | map |
| Walden | 138 kV | Entergy (non-ERCOT) | 2 | map |
| April | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Caney Creek | 138 kV | Sam Houston Electric Cooperative | 2 | map |
| Lacon | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Security | 138 kV | Sam Houston Electric Cooperative | 2 | map |
| Longmire | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Metro | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Tamina | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Lake Forrest | 138 kV | Brazos | 2 | map |
| Woodhaven | 138 kV | Brazos | 2 | map |
| Egypt | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Pinehurst | 138 kV | CenterPoint | 2 | map |
| Sheawill | 138 kV | Brazos | 2 | map |
| Rayford | 138 kV | CenterPoint | 2 | map |
| Alden | 138 kV | Entergy (non-ERCOT) | 2 | map |
ERCOT interconnection queue
No generation projects are queued in Montgomery County. 1 battery storage project is queued, 1 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
3 planned grid projects touch Montgomery County: 1 new substation, 1 new or rebuilt line and 1 substation upgrade.
Wholesale power prices
No price data.
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 Montgomery County.
- Data Center Rules Approved In Conroe Conroe Echo 2026-08-21
- Conroe approves data center regulations as officials cite interest in city Community Impact 2026-08-18
- Conroe moves forward with plan to put guardrails on data center development Houston Chronicle via Yahoo 2026-08-14
- Stop Data Center Construction in Montgomery County, Tx Change.org 2026-05-01
- "We Are No Longer Just Studying This", ERCOT Rewrites the Rules While Hyperscalers Keep Signing Checks The Grid Report 2026-02-15
Jurisdiction
Nearest city to the county center: Conroe (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 Montgomery 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.