Iron County, Utah solar ordinance
Iron County has a moratorium in force since May 26, 2026, running to November 22, 2026. It covers solar power plants (also data centers and data center power plants). Solar: 30 ft from property lines, 30 ft from roads, 40 acres (concentrated solar thermal power plant) minimum lot. Every figure is quoted from the county's ordinance, read September 30, 2026.
Updated September 2026
Moratorium
Solar power plants (also data centers and data center power plants)
- Adopted
- May 26, 2026
- Runs to
- November 22, 2026
- Scope
- applications found complete before the effective date; unincorporated county only
- Checked
- September 29, 2026
ADOPTING A TEMPORARY LAND USE REGULATION PROHIBITING THE ACCEPTANCE OR PROCESSING OF APPLICATIONS FOR DATA CENTERS, DATA CENTER POWER PLANTS, AND SOLAR POWER PLANTS FOR A PERIOD OF ONE HUNDRED EIGHTY (180) DAYS
Solar rules
10 figures read from the county's ordinance, each with the sentence it comes from.
| Rule and what the ordinance says | Requirement |
|---|---|
Property line setbackSolar power plant structures shall be set back from all property lines and public road rights-of-way at least thirty feet, or 1.5 times the height of the structure, whichever is greater. | 30 ft |
Property line setbackwhichever is greaterSolar power plant structures shall be set back from all property lines and public road rights-of-way at least thirty feet, or 1.5 times the height of the structure, whichever is greater. | 1.5 × height |
Road setbackSolar power plant structures shall be set back from all property lines and public road rights-of-way at least thirty feet, or 1.5 times the height of the structure, whichever is greater. | 30 ft |
Road setbackwhichever is greaterSolar power plant structures shall be set back from all property lines and public road rights-of-way at least thirty feet, or 1.5 times the height of the structure, whichever is greater. | 1.5 × height |
Setback from residentially-zoned lots and existing residencesIn addition, solar power plant structures must be located at least 100 feet from all residentially-zoned lots and existing residences. | 100 ft |
Minimum lot sizeconcentrated solar thermal power plantNo concentrated solar thermal power plant shall be erected on any lot less than forty acres in size. | 40 acres |
Minimum lot sizephotovoltaic solar power plantNo photovoltaic solar power plant shall be erected on any lot less than five acres in size. | 5 acres |
Noise limitmeasured at the property line of any neighboring residentially-zoned lota. 50 dBA, as measured at the property line of any neighboring residentially-zoned lot; | 50 dBA |
Noise limitmeasured at any existing neighboring residence between the hours of 9 p.m. and 7 a.m.b. 45 dBA, as measured at any existing neighboring residence between the hours of 9 p.m. and 7 a.m. | 45 dBA |
Noise limitmeasured at the property lines of the project boundaryc. 60 dBA, as measured at the property lines of the project boundary, unless the owner of the affected property and the planning commission agree to a higher noise level | 60 dBA |
Source: Iron County ordinance (PDF), read September 30, 2026. Check the cited section with the county before relying on a figure.
Every Utah figure in one spreadsheet
12 figures from 3 counties, each with its quote, source, date read and any condition. 2 of those places are not on this site. Plus the 2 moratoria and bans on file and Utah state law.
How these figures were read
We found Iron County's own ordinance and had two AI models read it separately. A figure is shown only when both read the same number and the sentence it comes from was found in the document. Moratoria and bans are checked against the adopting document. Ordinances change and many figures apply only in some cases, so check the cited section with the county before relying on one.
Common questions
Is there a solar moratorium in Iron County, UT?
Iron County has a moratorium in force since May 26, 2026, running to November 22, 2026. It covers solar power plants (also data centers and data center power plants). Checked against the adopting document on September 29, 2026.
What are the solar setbacks in Iron County, UT?
The county's ordinance sets solar facilities back 30 ft from property lines, 1.5 × height (whichever is greater) from property lines, 30 ft from roads and 1.5 × height (whichever is greater) from roads. Check the cited section with the county before relying on a figure.
What is the minimum lot size for a solar farm in Iron County, UT?
The ordinance sets a minimum lot size of 40 acres (concentrated solar thermal power plant) and 5 acres (photovoltaic solar power plant). Check the cited section with the county before relying on a figure.