Substation Scout

Electric Reliability Council of Texas interconnection queue

Generator Interconnection Status (GIS) large and small generation queues for Texas.

Live feed OK. Source published 2026-08-03. Published monthly; data can be up to ~30 days old.

1,995projects tracked
1,827active (non-terminal)
440,178.8active MW
1states covered

Browse & filter all 1,995 projects →

By resource category

Categories are normalised for filtering only. The raw ISO value is shown on every project page — ERCOT publishes 7 display groups from many more raw strings.

Data quality

No state reported0
No county reported0
No voltage reported287
0 MW (net change / energy-only)76
Terminal status (hidden by default)168

Top counties by active capacity

CountyActive projectsActive MW
Pecos, TX5621,209.1
Brazoria, TX5811,773
Milam, TX339,196.5
Wharton, TX429,112.4
Jack, TX188,639.1
Hill, TX237,989.9
Reeves, TX237,851.3
Wilbarger, TX206,961.7
Mitchell, TX166,893
San Patricio, TX276,856.1
Harris, TX326,833.7
Deaf Smith, TX116,594.3
Matagorda, TX286,354.9
Zapata, TX276,291.1
Borden, TX186,278.8
Cameron, TX296,081.9
Lamar, TX246,054.3
Ellis, TX275,921
Upton, TX185,648.7
Freestone, TX225,356.6
Bastrop, TX155,239.1
Bexar, TX235,169.6
Grimes, TX185,140.1
Scurry, TX175,060.6
Hidalgo, TX264,749.5

199 county pages available.

Top substations by active capacity

SubstationActive projectsActive MW
Deaf Smith station54,347.4
# Pin Oak33,789
Tap TNMP White Baker ()–Bottlebrush() 345-kV double-circuit33,009.2
Tap Solstice () - Bakersfield () Double circuit line33,008.3
Tap Ranger Camp - Prong Moss CKT #01 and #0232,890.5
# Solstice Substation42,707
Tap RILEY7A - EDITHCLA7B.22,476.6
Zorn Substation52,000.5
Tap SOLSTICE - SANDLAKE_541,633.7
MHOS Substation (#)21,546.6
Hillje41,518.9
Tap Solstice to Bottlebrush51,513.2
Double Tap Parker () - Benbrook ( and ) DCKT21,500
Tap Morgan Creek to Gasconades Creek21,433.6
Gray Substation21,418.1
Muleshoe #21,324.3
Sweetwater East Switch21,288
Tap Brown Switch – Bluff Creek Switch & Brown Switch – Central Bluff Switch51,207.3
Tap RILEY7A - EDITHCLA7B41,205.3
Tap Bus # Miguel5 - Bus # Cruce7A Ckt 131,157.9
Tapping the Double-Circuit Line from Tule Canyon (Bus# ) to Alibates (Bus# )21,143.6
Tap Riley - West Krum ckt 121,107.3
(#) SIM GIDEON21,106
(#) LOST PINES31,106
Double Tap # Zorn - # Austrop and # Zorn - # Lytton Springs31,106

295 substation pages available. Pages are generated for substations with two or more projects and a recognisable name; interface tie-points and filing-note text are excluded, but those projects still appear in browse and on their county pages.

Latest weekly digest: digest_2026_08_27.md