Washington · Battery

Proposed battery projects in Washington

There are 48 proposed battery projects in Washington's interconnection queue, totaling 8.86 GW of requested capacity. The largest is Queue G0608 at 1.20 GW, and the median planned online year is 2027.

48
Proposed projects
8.86 GW
Requested capacity
184.5 MW
Average project size
2027
Median planned online year

All proposed battery projects in Washington

TypeRegionIA Status
Queue G0608
G0608
BatteryWestKlickitatIn Progress (unknown study)1.20 GW20182027
Queue G0914
G0914
BatteryWestDouglasIn Progress (unknown study)1.00 GW20232028
Queue G0656
G0656
BatteryWestGrantIn Progress (unknown study)500 MW20202023
Queue G0915
G0915
BatteryWestDouglasIn Progress (unknown study)500 MW20232028
Queue G0916
G0916
BatteryWestDouglasIn Progress (unknown study)500 MW20232028
Queue CS25-08
CS25-08
BatteryWestSpokaneCluster Study250 MW20252029
Queue G1014
G1014
BatteryWestKingIn Progress (unknown study)250 MW20232029
Queue 99susp.
99
BatteryWestKingSuspended250 MW20212028
Queue S0027
S0027
BatteryWestWalla WallaIn Progress (unknown study)210 MW20242026
Queue 100susp.
100
BatteryWestPierceSuspended200 MW20212028
Queue 101susp.
101
BatteryWestKingSuspended200 MW20212028
Queue 103susp.
103
BatteryWestSkagitSuspended200 MW20212028
Queue 109susp.
109
BatteryWestKitsapSuspended200 MW20212029
Queue 149
149
BatteryWestWhatcomCluster Study200 MW20242027
Queue 60
60
BatteryWestPierceIA Executed200 MW20182028
Queue 87
87
BatteryWestSkagitIA Executed200 MW20202028
Queue 98
98
BatteryWestPierceIA Executed200 MW20212026
Queue CS23-12
CS23-12
BatteryWestFranklinIA Executed199 MW20232029
Queue G0637
G0637
BatteryWestKlickitatFacility Study190 MW20202022
Queue 129
129
BatteryWestKitsapIA Executed170 MW20212029
Queue 102susp.
102
BatteryWestThurstonSuspended150 MW20212028
Queue G0858
G0858
BatteryWestDouglasIn Progress (unknown study)130 MW20232026
Queue 139
139
BatteryWestKingCluster Study130 MW20232028
Queue 112
112
BatteryWestThurstonIA Executed127 MW20212029
Queue 121susp.
121
BatteryWestKingSuspended125 MW20212030
Queue CS25-03
CS25-03
BatteryWestSpokaneCluster Study100 MW20252030
Queue G0828
G0828
BatteryWestGrantIn Progress (unknown study)100 MW20222026
Queue G0922
G0922
BatteryWestCowlitzIn Progress (unknown study)100 MW20232026
Queue C2-204
C2-204
BatteryWestYakima—100 MW20222024
Queue 145
145
BatteryWestWhatcomCluster Study100 MW20242027
Queue 146
146
BatteryWestSkagitCluster Study100 MW20242027
Queue 148
148
BatteryWestKingCluster Study100 MW20242028
Queue 150
150
BatteryWestSkagitCluster Study100 MW20242027
Queue 81susp.
81
BatteryWestPierceSuspended100 MW20202028
Queue 86
86
BatteryWestWhatcomIA Executed100 MW20202030
Queue 124susp.
124
BatteryWestPierceSuspended85 MW20212029
Queue G0717
G0717
BatteryWestKlickitatFacility Study75 MW20212024
Queue G1076
G1076
BatteryWestYakimaIn Progress (unknown study)46.5 MW20252027
Queue G0733
G0733
BatteryWestBentonIn Progress (unknown study)30 MW20222025
Queue G0832
G0832
BatteryWestSnohomishIn Progress (unknown study)25 MW20222025
Queue G0734
G0734
BatteryWestBentonIn Progress (unknown study)20 MW20222024
Queue G0829
G0829
BatteryWestDouglasIn Progress (unknown study)20 MW20222026
Queue G0830
G0830
BatteryWestThurstonIn Progress (unknown study)20 MW20222026
Queue G0942
G0942
BatteryWestThurstonIn Progress (unknown study)20 MW20232026
Queue G1058
G1058
BatteryWestClarkIn Progress (unknown study)20 MW20232027
Queue G1079
G1079
BatteryWestFranklinIn Progress (unknown study)10 MW20252027
Queue 70
70
BatteryWestSpokane—2.5 MW20182019
Queue CS24-02
CS24-02
BatteryWestSpokaneIA Executed0.5 MW20242025

Browse Washington's full interconnection queue. Compare with operating capacity: 3 operating storage plants in Washington. Nationwide: Storage plants nationwide.

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