Marshall County, Iowa — Interconnection Projects
The interXdata warehouse tracks 39 interconnection projects in Marshall, Iowa, representing 5,923 MW of requested capacity.
39Total projects
2Active
30Operational
7Withdrawn
5,923 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Gas | 12 | 3,136 MW |
| Wind | 10 | 1,468 MW |
| Other | 12 | 615 MW |
| Coal | 1 | 600 MW |
| Battery | 2 | 100 MW |
| Solar | 2 | 3 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| MISO Queue Project E0010 — Gas in Marshall, Iowa | E0010 | Gas | 798.1 MW | active | Marshall, Iowa |
| MISO Queue Project J233 — Gas in Marshall, Iowa | J233 | Gas | 700.0 MW | operational | Marshall, Iowa |
| MISO Queue Project G720 — Coal in Marshall, Iowa | G720 | Coal | 600.0 MW | withdrawn | Marshall, Iowa |
| MISO Queue Project G180 — Gas in Marshall, Iowa | G180 | Gas | 600.0 MW | withdrawn | Marshall, Iowa |
| MISO Queue Project G128 — Other in Marshall, Iowa | G128 | Other | 600.0 MW | withdrawn | Marshall, Iowa |
| Lehigh - Marshalltown (Twinkle) 345kV | J4056 | Wind | 310.0 MW | operational | Marshall, Iowa |
| Marshalltown Generating Station | 58236_STG1 | Gas | 260.5 MW | operational | Marshall, Iowa |
| Lehigh - Marshalltown (Twinkle) 345kV | J4068 | Wind | 232.0 MW | operational | Marshall, Iowa |
| Marshalltown Generating Station | 58236_CTG2 | Gas | 222.7 MW | operational | Marshall, Iowa |
| Marshalltown Generating Station | 58236_CTG1 | Gas | 222.7 MW | operational | Marshall, Iowa |
| MISO Queue Project H085 — Wind in Marshall, Iowa | H085 | Wind | 200.0 MW | withdrawn | Marshall, Iowa |
| MISO Queue Project J563 — Wind in Marshall, Iowa | J563 | Wind | 150.0 MW | withdrawn | Marshall, Iowa |
| Laurel Wind Farm | 57500_LWF | Wind | 123.4 MW | operational | Marshall, Iowa |
| MISO Queue Project H078 — Wind in Marshall, Iowa | H078 | Wind | 121.0 MW | operational | Marshall, Iowa |
| MISO Queue Project J562 — Wind in Marshall, Iowa | J562 | Wind | 119.6 MW | withdrawn | Marshall, Iowa |
| Vienna Wind Farm | 57874_VIWF | Wind | 105.6 MW | operational | Marshall, Iowa |
| Marshalltown 161 kV Substation | J2949 | Battery | 100.0 MW | operational | Marshall, Iowa |
| Marshalltown | J2948 | Gas | 75.0 MW | operational | Marshall, Iowa |
| MISO Queue Project J514 — Gas in Marshall, Iowa | J514 | Gas | 65.0 MW | active | Marshall, Iowa |
| Marshalltown | 1068_1 | Gas | 63.0 MW | operational | Marshall, Iowa |
| Marshalltown | 1068_2 | Gas | 63.0 MW | operational | Marshall, Iowa |
| Marshalltown | 1068_3 | Gas | 63.0 MW | operational | Marshall, Iowa |
| Laurel | J3548 | Wind | 62.0 MW | withdrawn | Marshall, Iowa |
| Vienna Wind Farm | 57874_VIIWF | Wind | 44.6 MW | operational | Marshall, Iowa |
| Marshalltown Generating Station | 58236_PV1 | Solar | 2.6 MW | operational | Marshall, Iowa |
| State Center | 1187_6 | Gas | 2.5 MW | operational | Marshall, Iowa |
| Alliant SBD 9107 JBS USA | 54715_4660 | Other | 1.8 MW | operational | Marshall, Iowa |
| Alliant SBD 9107 JBS USA | 54715_4659 | Other | 1.6 MW | operational | Marshall, Iowa |
| Alliant SBD 9107 JBS USA | 54715_4658 | Other | 1.6 MW | operational | Marshall, Iowa |
| Alliant SBD 9107 JBS USA | 54715_4644 | Other | 1.6 MW | operational | Marshall, Iowa |
| Alliant SBD 9107 JBS USA | 54715_2665 | Other | 1.6 MW | operational | Marshall, Iowa |
| Alliant SBD 9107 JBS USA | 54715_2688 | Other | 1.6 MW | operational | Marshall, Iowa |
| Alliant SBD 9107 JBS USA | 54715_2689 | Other | 1.6 MW | operational | Marshall, Iowa |
| State Center | 1187_3 | Other | 1.3 MW | operational | Marshall, Iowa |
| State Center | 1187_4 | Other | 1.3 MW | operational | Marshall, Iowa |
| State Center | 1187_7 | Solar | 0.8 MW | operational | Marshall, Iowa |
| State Center | 1187_1 | Other | 0.6 MW | operational | Marshall, Iowa |
| State Center | 1187_2 | Other | 0.6 MW | operational | Marshall, Iowa |
| Marshalltown Generating Station | 58236_BESS1 | Battery | 0.3 MW | operational | Marshall, Iowa |
Top developers
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| Interstate Power and Light Co | 1 | 798 MW |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; MISO — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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