Marathon County, Wisconsin — Interconnection Projects
The interXdata warehouse tracks 31 interconnection projects in Marathon, Wisconsin, representing 3,074 MW of requested capacity.
31Total projects
0Active
24Operational
7Withdrawn
3,074 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Other | 16 | 1,175 MW |
| Coal | 2 | 1,100 MW |
| Wind | 4 | 448 MW |
| Solar | 1 | 170 MW |
| Gas | 7 | 132 MW |
| Battery | 1 | 50 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Weston | 4078_4 | Other | 595.0 MW | operational | Marathon, Wisconsin |
| MISO Queue Project G523 — Coal in Marathon, Wisconsin | G523 | Coal | 550.0 MW | withdrawn | Marathon, Wisconsin |
| MISO Queue Project G144 — Coal in Marathon, Wisconsin | G144 | Coal | 550.0 MW | operational | Marathon, Wisconsin |
| Weston | 4078_3 | Other | 350.5 MW | operational | Marathon, Wisconsin |
| Kelly - Ackley 115.0kV | J4069 | Solar | 169.9 MW | operational | Marathon, Wisconsin |
| Gardner Park-Stone Lake 345kV | J2345 | Wind | 150.0 MW | withdrawn | Marathon, Wisconsin |
| Stratford - McMillan 115.0kV | J3469 | Wind | 100.0 MW | operational | Marathon, Wisconsin |
| MISO Queue Project G420 — Wind in Marathon, Wisconsin | G420 | Wind | 99.0 MW | withdrawn | Marathon, Wisconsin |
| B-54 Wien to McMillan 115KV | J1508 | Wind | 98.9 MW | operational | Marathon, Wisconsin |
| MISO Queue Project G112 — Other in Marathon, Wisconsin | G112 | Other | 85.0 MW | withdrawn | Marathon, Wisconsin |
| Rothschild Biomass Cogen Facility | 58124_1 | Other | 57.5 MW | operational | Marathon, Wisconsin |
| Gardner Park-Stone Lake 345kV | J2439 | Battery | 50.0 MW | withdrawn | Marathon, Wisconsin |
| MISO Queue Project J040 — Other in Marathon, Wisconsin | J040 | Other | 50.0 MW | withdrawn | Marathon, Wisconsin |
| Weston RICE | 66059_W16 | Gas | 18.8 MW | operational | Marathon, Wisconsin |
| Weston RICE | 66059_W15 | Gas | 18.8 MW | operational | Marathon, Wisconsin |
| Weston RICE | 66059_W14 | Gas | 18.8 MW | operational | Marathon, Wisconsin |
| Weston RICE | 66059_W17 | Gas | 18.8 MW | operational | Marathon, Wisconsin |
| Weston RICE | 66059_W12 | Gas | 18.8 MW | operational | Marathon, Wisconsin |
| Weston RICE | 66059_W11 | Gas | 18.8 MW | operational | Marathon, Wisconsin |
| Weston RICE | 66059_W13 | Gas | 18.8 MW | operational | Marathon, Wisconsin |
| Mosinee Mill | 50614_GEN1 | Other | 15.0 MW | operational | Marathon, Wisconsin |
| MISO Queue Project G321 — Other in Marathon, Wisconsin | G321 | Other | 7.0 MW | withdrawn | Marathon, Wisconsin |
| Mosinee Mill | 50614_WEST | Other | 5.0 MW | operational | Marathon, Wisconsin |
| Mosinee Mill | 50614_HYD1 | Other | 2.2 MW | operational | Marathon, Wisconsin |
| Wausau | 4077_2 | Other | 1.8 MW | operational | Marathon, Wisconsin |
| Wausau | 4077_3 | Other | 1.8 MW | operational | Marathon, Wisconsin |
| Wausau | 4077_1 | Other | 1.8 MW | operational | Marathon, Wisconsin |
| Domtar Paper Company Rothschild | 50190_HG3 | Other | 0.6 MW | operational | Marathon, Wisconsin |
| Mosinee Mill | 50614_HYD2 | Other | 0.6 MW | operational | Marathon, Wisconsin |
| Mosinee Mill | 50614_HYD3 | Other | 0.6 MW | operational | Marathon, Wisconsin |
| Domtar Paper Company Rothschild | 50190_HG7 | Other | 0.5 MW | operational | Marathon, Wisconsin |
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); 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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