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TSGT interconnection queue

65 interconnection requests are active in TSGT, totalling 12.9 GW, as of 15 August 2026. Of the 104 requests ever filed here, 13 were built and 14 were withdrawn — a build rate of 48.1% on decided applications.

Active requests
65
of 104 ever filed
Capacity queued
12.9 GW
requested, not committed
Built vs decided
48.1%
13 built, 14 withdrawn
Median wait so far
2.2 yr
for requests still active
Median time to build
2.6 yr
request to commercial operation

Source: the TSGT interconnection queue as published by the transmission provider, parsed and normalised by Watt Street. Data as of 15 August 2026. Wait times are medians over requests that carry a measured date.

What is queued in TSGT, by fuel

FuelProjectsCapacity requested
Solar387.8 GW
Wind183.9 GW
Battery81.1 GW
Gas1199 MW

Where TSGT’s queue sits

StateApplicationsCapacity pending
Colorado8710.0 GW
Wyoming92.4 GW
New Mexico7499 MW
Kansas10 MW

Largest active requests

ProjectFuelCapacityCountyStateFiled
GI-CS-2025-25Solar800 MWPlatte CountyWY2025-10
GI-TC-2024-16Wind400 MWLaramie CountyWY2023-05
GI-TC-2024-31Solar398 MWElbert CountyCO2024-05
GI-TC-2024-25Wind350 MWWeld CountyCO2024-05
GI-CS-2025-04Wind330 MWLaramie CountyWY2025-09
GI-CS-2025-21Solar325 MWPueblo CountyCO2025-09
GI-CS-2025-03Solar300 MWKit Carson CountyCO2025-09
GI-CS-2025-05Solar300 MWWeld CountyCO2025-09
GI-CS-2025-29Solar300 MWYuma CountyCO2025-10
GI-TC-2024-15Wind250 MWLaramie CountyWY2024-05
GI-CS-2025-24Wind225 MWKit Carson CountyCO2025-09
GI-TC-2024-17Solar225 MWKit Carson CountyCO2024-05
GI-TC-2024-28Solar222 MWWeld CountyCO2023-05
GI-TC-2024-14Solar206 MWWeld CountyCO2023-05
GI-RSC-2025-02Battery200 MWMoffat CountyCO2025-07

TSGT on the map

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