Interconnection region

SPP interconnection queue

691 proposed projects — 682 active and 9 suspended — are in the SPP queue, totaling 152.36 GW of requested capacity. Projects that reached commercial operation here took a median of 4.1 years from interconnection request to online date (272 completed projects).

691
Proposed projects
152.36 GW
Requested capacity
Solar
Largest resource type
4.1 yrs
Median request → operation

Requested capacity by resource type

Solar 24.9%Gas 23.0%Battery 20.6%Wind 17.9%Solar + Battery 11.6%Other 1.7%Coal 0.3%

By state in SPP

Oklahoma232 · 50.13 GWKansas140 · 32.57 GWTexas79 · 20.60 GWNebraska84 · 16.23 GWNew Mexico47 · 10.32 GWMissouri44 · 8.84 GWNorth Dakota25 · 6.84 GWLouisiana9 · 2.30 GWArkansas15 · 2.08 GWSouth Dakota9 · 1.64 GWMontana4 · 534.5 MWIowa3 · 267.2 MW

Largest proposed projects in SPP

Type
Queue GEN-2024-340
GEN-2024-340
GasOklahomaCreek1.40 GW20252032
Queue GEN-2024-379
GEN-2024-379
GasLouisianaBossier Parish1.35 GW20252031
Queue GEN-2024-377
GEN-2024-377
GasTexasHarrison1.35 GW20252031
Queue GEN-2024-132
GEN-2024-132
GasOklahomaJohnston1.30 GW20252031
Queue GEN-2024-341
GEN-2024-341
GasOklahomaPittsburg1.04 GW20252031
Queue GEN-2020-065
GEN-2020-065
GasNew MexicoGaines1.00 GW20202028
Queue GEN-2023-204
GEN-2023-204
GasTexasMorris914.6 MW20232028
Queue GEN-2024-129
GEN-2024-129
GasKansasLabette910 MW20252030
Queue GEN-2024-207
GEN-2024-207
GasMissouriJackson778.6 MW20252029
Queue ERAS-2025-004
ERAS-2025-004
GasOklahomaOklahoma763 MW20252030
Queue ERAS-2025-011
ERAS-2025-011
GasNorth DakotaMercer750 MW20252030
Queue ERAS-2025-012
ERAS-2025-012
GasNorth DakotaMercer750 MW20252030
Queue GEN-2024-081
GEN-2024-081
GasNorth DakotaWilliams745 MW20242029
Queue GEN-2024-082
GEN-2024-082
GasNorth DakotaWilliams745 MW20242030
Queue ERAS-2025-024
ERAS-2025-024
GasOklahomaComanche744 MW20252029
Queue ERAS-2025-026
ERAS-2025-026
GasOklahomaComanche744 MW20252029
Queue GEN-2024-299
GEN-2024-299
GasOklahomaOklahoma744 MW20252032
Queue GEN-2024-249
GEN-2024-249
GasKansasPottawatomie721.2 MW20252032
Queue ERAS-2025-008
ERAS-2025-008
GasKansasSumner721.1 MW20252029
Queue ERAS-2025-006
ERAS-2025-006
GasKansasReno717.8 MW20252030
Queue GEN-2024-128
GEN-2024-128
GasOklahomaCaddo690 MW20252030
Queue GEN-2020-007
GEN-2020-007
Solar + BatteryKansasLinn650 MW20202028
Queue ERAS-2025-017
ERAS-2025-017
GasKansasFinney600 MW20252029
Queue GEN-2016-119
GEN-2016-119
WindOklahomaKingfisher600 MW20162025
Queue GEN-2024-345
GEN-2024-345
WindOklahomaNowata600 MW20252030
Queue GEN-2024-GR5
GEN-2024-GR5
GasOklahomaChouteau594 MW20242026
Queue GEN-2024-021
GEN-2024-021
GasNebraskaLancaster540 MW20242030
Queue GEN-2022-GR1
GEN-2022-GR1
GasTexasHarrison513 MW20222027
Queue GEN-2021-030
GEN-2021-030
SolarKansasLinn510.3 MW20212026
Queue ERAS-2025-023
ERAS-2025-023
GasOklahomaRogers510 MW20252029
Queue GEN-2021-070
GEN-2021-070
WindKansasHodgeman504 MW20212027
Queue GEN-2017-195
GEN-2017-195
SolarKansasJohnson500.4 MW20172030
Queue GEN-2021-096
GEN-2021-096
SolarKansasCoffey500 MW20212027
Queue GEN-2018-043
GEN-2018-043
SolarNebraskaBurt500 MW20182028
Queue GEN-2024-073
GEN-2024-073
Solar + BatteryNew MexicoLea500 MW20242028
Queue GEN-2024-303
GEN-2024-303
Solar + BatteryNew MexicoRoosevelt500 MW20252029
Queue GEN-2024-304
GEN-2024-304
Solar + BatteryNew MexicoRoosevelt500 MW20252029
Queue GEN-2020-087
GEN-2020-087
SolarOklahomaComanche500 MW20202026
Queue GEN-2024-165
GEN-2024-165
Solar + BatteryOklahomaCoal500 MW20252030
Queue GEN-2024-294
GEN-2024-294
Solar + BatteryOklahomaMayes500 MW20252030
Queue ERAS-2025-021
ERAS-2025-021
WindTexasHale500 MW20252030
Queue GEN-2024-266
GEN-2024-266
Solar + BatteryTexasPotter500 MW20252033
Queue ERAS-2025-010
ERAS-2025-010
GasOklahomaOklahoma496 MW20252029
Queue GEN-2024-013
GEN-2024-013
GasOklahomaMcclain496 MW20242030
Queue GEN-2024-321
GEN-2024-321
GasOklahomaSeminole493 MW20252030
Queue GEN-2024-GR1
GEN-2024-GR1
GasOklahomaOklahoma492 MW20242026
Queue GEN-2023-222
GEN-2023-222
GasNebraskaGage478 MW20232030
Queue GEN-2023-224
GEN-2023-224
GasNebraskaLancaster478 MW20232029
Queue GEN-2023-102
GEN-2023-102
Solar + BatteryOklahomaWoods475 MW20232029
Queue GEN-2024-343
GEN-2024-343
GasTexasHarrison470.5 MW20252030

Showing the 50 largest of 691 projects by requested capacity.

Browse the national queue or read the queue insights.

Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition) (data as of December 31, 2025).