Utah Interconnection Projects
interXdata tracks 1,188 interconnection projects in Utah representing 140,001 MW of requested capacity. The dominant technology by capacity is Solar+Battery. The most active counties are Utah, Iron, Salt Lake.
1,188Total projects
151Active
345Operational
673Withdrawn
140,001 MWRequested capacity
30,556 MWActive capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Solar+Battery | 263 | 50,679 MW |
| Battery | 138 | 26,410 MW |
| Solar | 359 | 22,973 MW |
| Gas | 179 | 22,203 MW |
| Wind | 75 | 9,297 MW |
| Other | 124 | 6,912 MW |
| Geothermal | 23 | 689 MW |
| Coal | 6 | 345 MW |
| Hydro | 19 | 269 MW |
| Other Storage | 1 | 220 MW |
| Wind+Battery | 1 | 4 MW |
Counties
| County | Projects | Requested capacity |
|---|---|---|
| Utah | 144 | 25,418 MW |
| Iron | 132 | 14,417 MW |
| Salt Lake | 130 | 11,615 MW |
| Beaver | 112 | 6,551 MW |
| Millard | 98 | 17,467 MW |
| Emery | 89 | 15,576 MW |
| Box Elder | 74 | 6,839 MW |
| Tooele | 70 | 7,160 MW |
| Juab | 61 | 12,693 MW |
| Washington | 59 | 2,384 MW |
| San Juan | 47 | 6,870 MW |
| Weber | 23 | 2,018 MW |
| Cache | 19 | 470 MW |
| Carbon | 17 | 1,969 MW |
| Wasatch | 17 | 50 MW |
| Sanpete | 14 | 1,381 MW |
| Sevier | 14 | 1,776 MW |
| Rich | 11 | 1,131 MW |
| Davis | 11 | 193 MW |
| Summit | 10 | 416 MW |
| Duchesne | 10 | 721 MW |
| Kane | 8 | 1,764 MW |
| Garfield | 5 | 6 MW |
| Daggett | 3 | 152 MW |
| Uintah | 3 | 532 MW |
| Morgan | 2 | 4 MW |
| Kane County | 1 | 250 MW |
| Miller | 1 | 75 MW |
| Tremonton | 1 | 3 MW |
| Grand | 1 | 0 MW |
| Carbon/Utah | 1 | 100 MW |
Largest projects
Top developers in Utah
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| PacifiCorp | 30 | 4,232 MW |
| Intermountain Power Agency | 21 | 7,548 MW |
| Tooele Army Depot | 5 | 7 MW |
| REUT Origination, LLC | 5 | 15 MW |
| Quichapa 3, LLC | 3 | 9 MW |
| eBay, Inc. | 3 | 10 MW |
| Escalante Solar III, LLC | 3 | 240 MW |
| Pavant Solar II LLC | 3 | 120 MW |
| Parowan Solar Energy, LLC | 2 | 438 MW |
| Cove Mountain Solar 2 LLC | 2 | 180 MW |
| Thermo No. 1 BE-01, LLC | 2 | 14 MW |
| EDF Renewables Development, Inc. | 2 | 49 MW |
| Milford Wind Corridor I, LLC Phase II | 2 | 400 MW |
| Rocket Solar, LLC | 2 | 125 MW |
| U of U Solar 2, LLC | 2 | 0 MW |
Recent material changes
| Observed | Project | Field | Old | New |
|---|---|---|---|---|
| 2026-10-02 | Brigham City Gas | proposed_online_date | 2027-08-01 | 2028-08-01 |
| 2026-10-02 | Brigham City Gas | proposed_online_date | 2027-08-01 | 2028-08-01 |
| 2026-10-02 | Brigham City Gas | proposed_online_date | 2027-08-01 | 2028-08-01 |
| 2026-10-02 | Fremont Solar | proposed_online_date | 2027-06-01 | 2027-12-01 |
| 2026-10-02 | Fremont Solar | proposed_online_date | 2027-06-01 | 2027-12-01 |
| 2026-10-02 | Payson | operational_date | — | 2026-08-01 |
| 2026-10-02 | Payson | proposed_online_date | 2026-08-01 | — |
| 2026-10-02 | Payson | status | active | operational |
| 2026-10-02 | Payson | operational_date | — | 2026-08-01 |
| 2026-10-02 | Payson | proposed_online_date | 2026-08-01 | — |
| 2026-10-02 | Payson | status | active | operational |
| 2026-10-02 | Payson | operational_date | — | 2026-08-01 |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-10-11
Page data generated2026-10-11
Provenance: bpa-oasis; U.S. EIA — Form EIA-860M generator inventory (operating + planned); idahopower-oasis; Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; pacificorp-oasis; wapa-rm-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
Get notified when a new project appears in Utah.
Start tracking with interXdata