The purpose of Chad Teply testimony was to support the prudence of capital investments in the new Lake Side 2 combined cycle combustion turbine (“CCCT”) natural gas fueled resource, certain pollution control equipment retrofits on existing coal fueled resources, and other significant generation plant projects being placed in service during the test period in this docket, July 1, 2014 through July 2015. This included the Hayden SCR and the Blundell geothermal resource well integration project and 1 the Naughton Unit 3 natural gas conversion project. The Blundell geothermal resource well integration project integrates two 108 new geothermal resource wells into the Blundell generation system. One production well and one injection well, along with associated appurtenances, have been drilled and will be placed in service to support continued reliable electricity production at the site. Lake Side 2 is nominally rated at 548 MW base load 130 and 97 MW of duct firing for a total net capacity of 645 MW at the average 131 ambient temperate of 52 degrees Fahrenheit. Each combustion turbine exhausts 132 into its own heat recovery steam generator which then commonly supply a single 133 steam turbine generator. The electrical energy generated by Lake Side 2 will be delivered to a new 345 kV point of interconnection substation (Steel Mill) where it will tie into the PacifiCorp transmission system.

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• BHE Environmental, Inc.

• Duct Burner

• Substation

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