Iowa · Battery
Proposed battery projects in Iowa
There are 22 proposed battery projects in Iowa's interconnection queue, totaling 3.29 GW of requested capacity. The largest is Queue J2469 at 300 MW, and the median planned online year is 2027.
22
Proposed projects
3.29 GW
Requested capacity
149.5 MW
Average project size
2027
Median planned online year
All proposed battery projects in Iowa
| Type | ||||
|---|---|---|---|---|
| Queue J2469 J2469 | Battery | 300 MW | 2022 | 2027 |
| Surplus; J449 S1093 | Battery | 202 MW | 2025 | 2027 |
| Queue J2545 J2545 | Battery | 200 MW | 2022 | 2026 |
| Queue J3551 J3551 | Battery | 200 MW | 2024 | 2027 |
| Queue J3780 J3780 | Battery | 200 MW | 2024 | 2028 |
| Surplus; J1190 S1107 | Battery | 200 MW | 2025 | 2026 |
| Surplus; J416 S1113 | Battery | 200 MW | 2025 | 2026 |
| Queue J4173 J4173 | Battery | 199 MW | 2025 | 2028 |
| Queue J4155 J4155 | Battery | 195 MW | 2025 | 2029 |
| Queue J2653 J2653 | Battery | 170 MW | 2022 | 2027 |
| Queue J2655 J2655 | Battery | 170 MW | 2022 | 2026 |
| Replacing 150 MW of coal generation with BESS at Lansing; Lansing 4 R5064 | Battery | 150 MW | 2025 | 2026 |
| Replacing 130 MW of coal generation with BESS at Lansing; Lansing 4 R5065 | Battery | 130 MW | 2025 | 2026 |
| Queue J2066 J2066 | Battery | 100 MW | 2021 | 2022 |
| Queue J2120 J2120 | Battery | 100 MW | 2021 | 2025 |
| Queue J2949 J2949 | Battery | 100 MW | 2022 | 2027 |
| Queue J3158 J3158 | Battery | 100 MW | 2022 | 2027 |
| Queue J3159 J3159 | Battery | 100 MW | 2022 | 2027 |
| Queue J4172 J4172 | Battery | 99 MW | 2025 | 2028 |
| Surplus; J495 S1109 | Battery | 75 MW | 2025 | 2026 |
| Queue J1229 J1229 | Battery | 50 MW | 2019 | 2026 |
| Queue J1477 J1477 | Battery | 50 MW | 2019 | 2024 |
Browse Iowa's full interconnection queue. Compare with operating capacity: 4 operating storage plants in Iowa. Nationwide: Storage plants nationwide.
Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition) (data as of December 31, 2025).