Program Wind Siting Rules
Category Regulatory Policy
Implementing sector State
Last Update
State Wisconsin
Website http://psc.wi.gov/renewables/WindSitingRules.htm
Sectors Residential

Permitting Rules

In September 2009, the Governor of Wisconsin signed S.B. 185 (Act 40) directing the Wisconsin Public Service Commission (PSC) to establish statewide wind energy siting rules. PSC Docket 1-AC-231 was created to conduct the rulemaking, requiring the PSC to convene an advisory council composed of various interested stakeholders (e.g. developers, political subdivisions, environmental groups, landowners, etc.). In December 2010, the Commission adopted the wind siting rules (PSC 128). The rules were scheduled to take effect on March 1, 2011, but on that date, the Joint Committee for the Review of Administrative Rules voted to suspend the rules. The legislature proposed several changes to the rule, but could not enact a replacement, and the PSC 128 wind siting rules became effective in March 2012.  The rules are comprehensive and include notice requirements, siting and noise criteria, shadow flicker, stray voltage, construction, operation, and decommissioning. Separate rules apply to small wind systems with a collective capacity of 300 kW or less or an individual wind turbine with a capacity of 100 kW or less.

The rules apply to political subdivisions (city, town, village, county) regulation of wind energy systems up to 100 MW in size. Political subdivisions can choose whether or not to regulate wind energy systems; if they choose to regulate, they may not do so in a way that is more restrictive than the PSC's rules. Wind energy systems 100 MW in size or greater are under the siting jurisdiction of the PSC, and are not directly subject to these rules.

Large Wind Systems

Rules for systems of larger than 300 kW or individual turbines larger than 100 kW include the following:

  • An owner must provide written notice of a planned wind system to specific parties at least 90 days before filing an application.
  • Systems must be set back 1.1 times the maximum blade tip height. Systems near occupied community buildings or nonparticipating residences must be set back either 1,250 feet or 3.1 times the maximum blade tip height, whichever is less.
  • Systems should be operated so that noise does not exceed 50 dBA during daytime hours or 45 dBA during nighttime hours.

Small Wind Systems

Rules for systems of 300 kW or less, or individual systems 100 kW or less, include the following:

  • An owner must provide written notice of a planned system wind system to specific parties at least 60 days before filing an application.
  • Systems must be set back the distance of the maximum blade tip height.
  • Systems should be operated so that noise does not exceed 50 dBA during daytime hours or 45 dBA during nighttime hours.


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