Washington · Solar

Proposed solar projects in Washington

There are 41 proposed solar projects in Washington's interconnection queue, totaling 5.06 GW of requested capacity. The largest is Queue G1015 at 500 MW, and the median planned online year is 2026.

41
Proposed projects
5.06 GW
Requested capacity
123.4 MW
Average project size
2026
Median planned online year

All proposed solar projects in Washington

TypeRegionIA Status
Queue G1015
G1015
SolarWestBentonIn Progress (unknown study)500 MW20232029
Queue G1032
G1032
SolarWestGrantIn Progress (unknown study)500 MW20232028
Queue G1016
G1016
SolarWestKlickitatIn Progress (unknown study)400 MW20232029
Queue G1035
G1035
SolarWestDouglasIn Progress (unknown study)400 MW20232028
Queue G0589
G0589
SolarWestKlickitatFacility Study381 MW20182023
Queue G1031
G1031
SolarWestKlickitatIn Progress (unknown study)250 MW20232028
Queue G0935
G0935
SolarWestWalla WallaIn Progress (unknown study)225 MW20232027
Queue G0645
G0645
SolarWestKlickitatFacility Study200 MW20202026
Queue 7
7
SolarWestGrantFacility Study200 MW2020—
Queue 8
8
SolarWestGrantFacility Study200 MW2022—
Queue G0602
G0602
SolarWestGrantFacility Study170 MW20182022
Queue G0847
G0847
SolarWestColumbiaIn Progress (unknown study)150 MW20232024
Queue G1001
G1001
SolarWestGrantIn Progress (unknown study)150 MW20232029
Queue G0686
G0686
SolarWestBentonIn Progress (unknown study)127.5 MW20212028
Queue 55susp.
55
SolarWestDouglasSuspended100.6 MW20182030
Queue 56susp.
56
SolarWestDouglasSuspended100.6 MW20182030
Queue 73
73
SolarWestAdams—100 MW20182020
Queue G0586
G0586
SolarWestKlickitatFacility Study100 MW20182022
Queue 49
49
SolarWestKittitasIA Executed100 MW20172027
Queue 81
81
SolarWestAdams—94 MW20182020
Queue G0626
G0626
SolarWestGrantFacility Study90 MW20192022
Queue 67
67
SolarWestAdams—80 MW20182023
High Top Solar LLC projectsusp.
953
SolarWestYakimaSuspended80 MW20172025
Queue 51susp.
51
SolarWestKittitasSuspended79.2 MW20172028
Queue G1010
G1010
SolarWestYakimaIn Progress (unknown study)70 MW20232027
Queue 103
103
SolarWestLincoln—40 MW20192021
Queue CS23-13
CS23-13
SolarWestLincolnIA Executed40 MW20232028
Queue CS23-14
CS23-14
SolarWestSpokaneIA Executed40 MW20232028
Queue CS24-14
CS24-14
SolarWestSpokaneIA Executed40 MW20242028
Queue G0689
G0689
SolarWestFranklinIn Progress (unknown study)13.3 MW20212023
Queue G0957
G0957
SolarWestBentonIn Progress (unknown study)10 MW20232027
Queue G1004
G1004
SolarWestFranklinIn Progress (unknown study)10 MW20232025
Queue 85
85
SolarWestAdams—5 MW20192020
OneEnergy Development, LLC project
TCS-14
SolarWestYakimaIA Executed5 MW20182027
Queue G1003
G1003
SolarWestAdamsIn Progress (unknown study)3 MW20232025
Queue CS24-07
CS24-07
SolarWestAdamsIA Executed2 MW20242026
Queue 71
71
SolarWestLincoln—1 MW20182020
Queue CS24-01
CS24-01
SolarWestAdamsIA Executed1 MW20242024
Queue G0943
G0943
SolarWestSnohomishIn Progress (unknown study)1 MW20232024
Queue G0968
G0968
SolarWestClarkIn Progress (unknown study)1 MW20232023
Queue G1068
G1068
SolarWestClarkIn Progress (unknown study)1 MW20242024

Browse Washington's full interconnection queue. Compare with operating capacity: 7 operating solar plants in Washington. Nationwide: Solar plants nationwide.

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