Sweetwater County, Wyoming solar and wind ordinance
Solar: 50 ft from property lines, 200 ft (properties zoned agriculture) from roads, 25 ft (Solar Energy Facility structures) maximum height. Wind: 45 dBA (between 7 am and 7 pm MDT) noise limit. Every figure is quoted from the county's ordinance, read September 30, 2026.
Updated September 2026
Solar rules
8 figures read from the county's ordinance, each with the sentence it comes from.
| Rule and what the ordinance says | Requirement |
|---|---|
Property line setback(13) Setbacks. Solar Energy Facility structures shall be setback from all property lines at least fifty feet. | 50 ft |
Road setbackproperties zoned agricultureAll Solar Energy Facility structures shall be setback not less than two hundred feet from public rights - of - way for properties zoned agriculture | 200 ft |
Road setbackon all other lands allowedand one hundred feet on all other lands allowed by this Resolution | 100 ft |
Setback from residentially zoned properties or residenceSolar Energy Facility structures shall be setback a minimum of 1.25 miles from any residentially zoned properties or residence. | 1.25 miles |
Maximum heightSolar Energy Facility structures(4) Height. All Solar Energy Facilities structures shall not exceed twenty five feet in height. | 25 ft |
Minimum lot size(6) Minimum lot size. No Solar Energy Facility shall be constructed on any parcel less than 40 acres in size. | 40 acres |
Noise limitbetween 7 AM and 7 PM MDT at the property line of any neighboring residentially zoned loti. 50 decibels on the dB(A) scale during the hours between 7 AM and 7 PM MDT as measured at the property line of any neighboring residentially zoned lot | 50 dBA |
Noise limitbetween 7 PM and 7 AM MDT at the property line of any neighboring residentially zoned lotii. 45 decibels on the dB(A) scale during the hours between 7 PM and 7 AM MDT as measured at the property line of any neighboring residentially zoned lot. | 45 dBA |
Source: Sweetwater County ordinance (PDF), read September 30, 2026. Check the cited section with the county before relying on a figure.
Wind rules
2 figures read from the county's ordinance, each with the sentence it comes from.
| Rule and what the ordinance says | Requirement |
|---|---|
Noise limitbetween 7 am and 7 pm MDT1. 45 decibels on the dB(A) scale during the hours between 7 am and 7 pm MDT, and | 45 dBA |
Noise limitbetween 7 pm and 7 am MDT2. 40 decibels on the dB(A) scale during the hours between 7 pm and 7 am MDT. | 40 dBA |
Source: Sweetwater County ordinance (PDF), read September 30, 2026. Check the cited section with the county before relying on a figure.
Wyoming state law
State law can cap or override county rules. All Wyoming rules and counties.
State siting: Wyoming Industrial Siting Council
Solar larger than 30 MW, or disturbing 100 acres or more, needs a state permit as well as a county permit.
Wyo. Stat. 35-12-102, 35-12-106 (DOE and Berkeley Lab inventory, June 2024). Source
Every Wyoming figure in one spreadsheet
50 figures from 8 counties, each with its quote, source, date read and any condition. 2 of those places are not on this site. Plus Wyoming state law.
How these figures were read
We found Sweetwater 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
What are the solar setbacks in Sweetwater County, WY?
The county's ordinance sets solar facilities back 50 ft from property lines, 200 ft (properties zoned agriculture) from roads and 100 ft (on all other lands allowed) from roads. Check the cited section with the county before relying on a figure.
How tall can a solar farm be in Sweetwater County, WY?
The ordinance sets a maximum height of 25 ft (Solar Energy Facility structures). Check the cited section with the county before relying on a figure.
What is the minimum lot size for a solar farm in Sweetwater County, WY?
The ordinance sets a minimum lot size of 40 acres. Check the cited section with the county before relying on a figure.