Mason County, Illinois — Interconnection Projects
The interXdata warehouse tracks 21 interconnection projects in Mason, Illinois, representing 2,731 MW of requested capacity.
21Total projects
0Active
11Operational
10Withdrawn
2,731 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Solar | 12 | 1,286 MW |
| Wind | 7 | 1,208 MW |
| Battery | 2 | 237 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| 4PURO - 4HAVANA3 138.0kV | J2603 | Solar | 320.0 MW | operational | Mason, Illinois |
| Powerton 345kV | W3-046 | Wind | 207.5 MW | withdrawn | Mason, Illinois |
| Puro | J2963 | Wind | 200.0 MW | operational | Mason, Illinois |
| Indian Creek | J3475 | Solar | 200.0 MW | withdrawn | Mason, Illinois |
| Mason 138kV | J2842 | Battery | 200.0 MW | withdrawn | Mason, Illinois |
| Winnebago | J3809 | Wind | 200.0 MW | withdrawn | Mason, Illinois |
| Quiver | J3519 | Wind | 199.9 MW | operational | Mason, Illinois |
| Glacier Sands Wind Power, LLC | 64381_GS001 | Wind | 185.0 MW | operational | Mason, Illinois |
| 4HAVANA2 - 4CINCINATTI 138.0kV | J3003 | Solar | 180.0 MW | operational | Mason, Illinois |
| Moraine Sands Wind Power | 66093_MSWP1 | Wind | 171.0 MW | operational | Mason, Illinois |
| Havana-Shockey (138kV) | J3005 | Solar | 150.0 MW | withdrawn | Mason, Illinois |
| Cane | J3004 | Solar | 142.0 MW | operational | Mason, Illinois |
| Quiver | J4015 | Solar | 136.0 MW | withdrawn | Mason, Illinois |
| Cane 138 kV | J2635 | Solar | 52.0 MW | withdrawn | Mason, Illinois |
| Salt Creek Township Solar, LLC | 66633_PV | Solar | 50.0 MW | operational | Mason, Illinois |
| Mason City West 69 kV Substation | J2979 | Solar | 50.0 MW | withdrawn | Mason, Illinois |
| 4PURO - 4HAVANA3 138.0kV | J3854 | Wind | 44.3 MW | withdrawn | Mason, Illinois |
| Havana 138 kV Sub | J3187 | Battery | 37.0 MW | withdrawn | Mason, Illinois |
| Clark Solar 1 | 69907_CLRK1 | Solar | 2.0 MW | operational | Mason, Illinois |
| Clark Solar 2, LLC | 70068_GCLK1 | Solar | 2.0 MW | operational | Mason, Illinois |
| Clark Solar 1A | 69908_CLK1A | Solar | 2.0 MW | operational | Mason, Illinois |
Top developers
Developer attribution is not yet resolved for this set.
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); MISO — generator interconnection queue; PJM — new-services interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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