SPP interconnection queue

682 interconnection requests are active in SPP, totalling 140.8 GW, as of 14 October 2026. Of the 2,875 requests ever filed here, 338 were built and 1,846 were withdrawn — a build rate of 15.5% on decided applications.

Active requests
682
of 2,875 ever filed
Capacity queued
140.8 GW
requested, not committed
Built vs decided
15.5%
338 built, 1,846 withdrawn
Median wait so far
3.0 yr
for requests still active
Median time to build
4.0 yr
request to commercial operation

Source: the SPP interconnection queue as published by the transmission provider, parsed and normalised by Watt Street. Data as of 14 October 2026. Wait times are medians over requests that carry a measured date.

What is queued in SPP, by fuel

FuelProjectsCapacity requested
Solar36160.7 GW
Gas10534.8 GW
Wind11824.2 GW
Hybrid9721.0 GW
Unknown18 MW

Where SPP’s queue sits

StateApplicationsCapacity pending
Oklahoma76640.3 GW
Kansas57027.1 GW
Texas41817.5 GW
Nebraska36113.8 GW
Colorado8312.1 GW
Missouri1828.5 GW
New Mexico2017.0 GW
North Dakota805.2 GW
Wyoming153.2 GW
Louisiana302.3 GW
Arkansas601.4 GW
South Dakota681.2 GW
Montana14374 MW
Iowa8285 MW
Minnesota631 MW

Largest active requests

ProjectFuelCapacityCountyStateFiled
GEN-2024-340Gas1.4 GWCreek CountyOK2025-03
GEN-2024-379Gas1.4 GWBossier ParishLA2025-03
GEN-2024-377Gas1.4 GWHarrison CountyTX2025-03
GEN-2024-341Gas1.0 GWPittsburghOK2025-03
GEN-2020-065Gas1.0 GWGainesNM2020-04
GEN-2023-204Gas915 MWMorris CountyTX2023-10
GEN-2024-129Gas910 MWLabette CountyKS2025-03
GI-CS-2025-25Hybrid800 MWPlatte CountyWY2025-10
ERAS-2025-004Gas779 MWHarrahOK2025-09
GEN-2024-207Gas779 MWMissouriMO2025-03
ERAS-2025-012Gas750 MWStantonND2025-10
ERAS-2025-011Gas750 MWStantonND2025-10
GEN-2024-082Gas745 MWWilliams CountyND2024-10
GEN-2024-081Gas745 MWWilliams CountyND2024-10
GEN-2024-299Gas744 MWOklahoma CountyOK2025-03

SPP on the map

Open the map Every queue we track