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Mankato Energy Center Expansion


Project Docket

Docket No IP6949/GS-15-620
Project Name Mankato Energy Center Expansion
Applicant Calpine; Mankato Energy Center II, LLC
Description Mankato Energy Center II, LLC proposes to construct a 345 MW expansion of the Mankato Energy Center in the city of Mankato, Blue Earth County
Location Blue Earth County, Blue Earth County -- Mankato City
Contact Ray Kirsch
raymond.kirsch@state.mn.us
651-539-1841
Status
  • 2015-10-13: Public meeting
  • 2015-10-14: Application accepted
  • 2015-11-03: Scoping decision
  • 2016-02-18: Environmental document available
  • 2016-03-07: Public hearing
  • 2016-04-13: ALJ report issued
  • 2016-06-23: Permit issued
  • Upcoming: Project built
  • Upcoming: Docket closed
eDockets 15-620

Project Summary

Mankato Energy Center II, LLC (applicant) proposes to construct a 345 MW expansion of the Mankato Energy Center (MEC) in the city of Mankato, Blue Earth County. 

The applicant proposes to add a combustion turbine generator, a heat recovery steam generator, and associated facilities to the MEC.  This expansion of the MEC will allow for the production of an additional 345 megawatts.  The MEC was designed and constructed to accommodate this expansion.

The project will use natural gas as a fuel source.  Existing infrastructure installed for the MEC (e.g., electrical transmission, gas pipeline, water service) will be used for the project.  The applicant indicates that construction of the project is anticipated to begin in 2016, with a projected operational date of July 1, 2018.

Key Project Documents

Date Title Description
06/23/2016 Site Permit for Mankato Energy Center Expansion The site permit issued by the Commission for the Mankato Energy Center expansion project. Includes site permit text and maps
06/23/2016 Commission Order Issuing a Site Permit for the Mankato Energy Center Expansion Commission order issuing a site permit. Includes the Commission's order, findings of fact, and site permit
02/18/2016 Environmental Assessment for Mankato Energy Center Expansion The environmental assessment (EA) evaluates the potential human and environmental impacts of the project and possible mitigation measures
08/05/2015 Site Permit Application for the Mankato Energy Center Expansion The site permit application submitted by Mankato Energy Center II, LLC to the Minnesota Public Utilities Commission for the expansion of the Mankato Energy Center

Project Documents