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Wyoming Bulk Transmission Environmental Review(9-WY)

For projects subject to the Wyoming Industrial Siting Act (WISA), environmental impacts are considered during the WISA permit application process. Permit approval is granted by the Industrial Siting Council (ISC), which reviews the environmental impacts of planned facilities prior to issuing a permit. Applicants must evaluate potential environmental impacts and include any plans and proposals for alleviating environmental impacts which may result from the proposed facility. The evaluations, plans and proposals cover the following environmental resources:

  • Scenic resources
  • Recreational resources
  • Archaeological and historical resources
  • Terrestrial and aquatic wildlife
  • Threatened, endangered and rare species and other species of concern identified in the state wildlife action plan as prepared by the Wyoming Game and Fish Department [1]

Copies of the permit application are provided to 18 state agencies for statutory review and comment, and to local governments, schools and districts in the affected area. [2] State agencies that would provide reviews on environmental resources (as noted above) include the following State agencies:

In order to minimize or prevent duplication of efforts, the ISC permit, the county permit, and the Federal agency sometimes utilize common information for their distinct and unique permits. The ISC regulations allow for common data to be submitted as long as it meets the application requirements and format.

Local Process
The local regulatory authorities include counties and incorporated city governments within the state of Wyoming. In Wyoming, transmission line projects that incur a construction cost of $186.1 million and are 160 kV or more are under the permitting jurisdiction of the state (and go through the WISA Permit process), however local government permitting requirements, including environmental review, may apply.

More Information

Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.

Permitting at a Glance

Wyoming Federal

Environmental Review Process: To obtain a Wyoming Industrial Siting Act (WISA) Permit, the applicant must submit any studies made regarding the environmental impact of the proposed facility, and procedures to avoid endangering public health, and animal or plant life as a result of estimated emissions and discharges. Wyo. Stat. Ann. §35-12-109(a).
Environmental Review Process Agency: Industrial Siting Council
Environmental Review Threshold: Whether the transmission project is an "industrial facility" under the Act in meeting the estimated construction cost threshold. Wyo. Stat. Ann. § 35-12-102(a)(vii).
Applicable MOU with FERC: No.

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List of Reference Sources

  1. W.S. 35-12 (2013). 109(xiii)
  2. W.S. 35-12 (2013). 110(b)