Platte County, Wyoming solar ordinance
Solar: 100 ft from property lines, 100 ft (Commercial and Industrial Districts) from roads, 30 ft maximum height. Every figure is quoted from the county's ordinance, read September 30, 2026.
Updated September 2026
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 energy facility structures shall be set back from all property lines at least one hundred (100) feet | 100 ft |
Setback from homesresidentially zoned lots and existing residences and/or occupied structuressolar energy facility structures must be located at least three hundred (300) feet from all residentially zoned lots and existing residences and/or occupied structures. | 300 ft |
Road setbackAgriculture Districtset back from public road rights-of-way at least two hundred (200) feet within an Agriculture District and one hundred (100) feet within Commercial and Industrial Districts. | 200 ft |
Road setbackCommercial and Industrial Districtsset back from public road rights-of-way at least two hundred (200) feet within an Agriculture District and one hundred (100) feet within Commercial and Industrial Districts. | 100 ft |
Maximum heightThe maximum height for all structures shall be established through the Solar Energy Facility Permit process, provided a structure height of thirty feet, or less shall always be permitted. | 30 ft |
Minimum lot sizeconcentrated solar energy facilityNo concentrated solar energy facility shall be erected on any lot less than forty acres in size. | 40 acres |
Minimum lot sizephotovoltaic solar energy facilityNo photovoltaic solar energy facility shall be erected on any lot less than five acres in size. | 5 acres |
Noise limitat the property line of any neighboring residentially zoned lotFifty (50) dBA, as measured at the property line of any neighboring residentially zoned lot. | 50 dBA |
Noise limitat any existing neighboring residence between the hours of nine p.m. and seven a.m.Forty-five (45) dBA, as measured at any existing neighboring residence between the hours of nine p.m. and seven a.m. | 45 dBA |
Noise limitat the property lines of the project boundarySixty (60) dBA, as measured at the property lines of the project boundary | 60 dBA |
Source: Platte 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 Platte 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 Platte County, WY?
The county's ordinance sets solar facilities back 100 ft from property lines, 200 ft (Agriculture District) from roads, 100 ft (Commercial and Industrial Districts) from roads and 300 ft (residentially zoned lots and existing residences and/or occupied structures) from homes. Check the cited section with the county before relying on a figure.
How tall can a solar farm be in Platte County, WY?
The ordinance sets a maximum height of 30 ft. Check the cited section with the county before relying on a figure.
What is the minimum lot size for a solar farm in Platte County, WY?
The ordinance sets a minimum lot size of 40 acres (concentrated solar energy facility) and 5 acres (photovoltaic solar energy facility). Check the cited section with the county before relying on a figure.