FERC Pre-Application Document
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Preliminary Application Document Superior Falls Project FERC Project No. 2587 Saxon Falls Project FERC Project No. 2610 Montreal River, Iron County, Wisconsin and Gogebic County, Michigan Submitted by Northern States Power Company Eau Claire, Wisconsin Report prepared by www.meadhunt.com This page is intentionally left blank Preliminary Application Document FERC Project Nos. 2610 and 2587 Saxon Falls and Superior Falls Hydroelectric Projects Iron County, WI and Gogebic County, MI Table of Contents 1. Introduction .............................................................................................................................. 1 1.1 Authorized Agents (18 CFR § 5.6(d)(2)(i)) ................................................................... 3 1.2 PAD Content ................................................................................................................. 3 1.3 References ................................................................................................................... 3 2. Process Plan and Schedule (18 CFR § 5.6(d)(1)).................................................................. 4 2.1 Process Plan and Schedule Through Filing of License Application ............................. 4 2.2 Proposed Communications Protocols .......................................................................... 7 2.2.1 General Communications ................................................................................ 7 2.2.2 Meetings .......................................................................................................... 7 2.2.3 Documents ...................................................................................................... 7 2.2.4 Study Requests ............................................................................................... 8 3. Project Location, Facilities, and Operation (18 CFR § 5.6(d)(2)) ........................................ 9 3.1 Project Location (18 CFR § 5.6(d)(2)(ii)) ...................................................................... 9 3.1.1 Saxon Falls Project .......................................................................................... 9 3.1.2 Gile Flowage .................................................................................................... 9 3.1.3 Superior Falls Project ...................................................................................... 9 3.2 Saxon Falls Project Facilities (18 CFR § 5.6(d)(2)(iii)) ................................................. 9 3.2.1 Saxon Falls Current Facilities .......................................................................... 9 3.2.1.1 Saxon Falls Dam .............................................................................. 9 3.2.1.2 Saxon Falls Conduit ........................................................................ 12 3.2.1.3 Saxon Falls Surge Tank ................................................................. 12 3.2.1.4 Saxon Falls Penstocks ................................................................... 12 3.2.1.5 Saxon Falls Powerhouse ................................................................ 13 3.2.1.6 Saxon Falls Tailrace ....................................................................... 13 3.2.1.7 Saxon Falls Transmission Equipment ............................................ 13 3.2.1.8 Saxon Falls Reservoir ..................................................................... 14 3.2.1.9 Saxon Falls Appurtenant Equipment .............................................. 14 3.2.2 Saxon Falls Project Boundary ....................................................................... 14 3.2.3 Proposed Facilities ........................................................................................ 14 3.2.4 References .................................................................................................... 15 3.3 Gile Flowage Facilities (18 CFR § 5.6(d)(2)(iii)) ......................................................... 17 3.3.1 Gile Flowage Current Facilities ..................................................................... 17 3.3.1.1 Gile Flowage Dam .......................................................................... 17 3.3.1.2 Gile Flowage Reservoir .................................................................. 19 3.3.2 Gile Flowage Facility Boundary ..................................................................... 19 3.3.3 Gile Flowage Proposed Facilities .................................................................. 19 3.3.4 References .................................................................................................... 19 3.4 Superior Falls Project Facilities (18 CFR § 5.6(d)(2)(iii)) ........................................... 22 i Preliminary Application Document FERC Project Nos. 2610 and 2587 Saxon Falls and Superior Falls Hydroelectric Projects Iron County, WI and Gogebic County, MI 3.4.1 Superior Falls Current Facilities .................................................................... 22 3.4.1.1 Superior Falls Dam ......................................................................... 22 3.4.1.2 Superior Falls Conduit .................................................................... 24 3.4.1.3 Superior Falls Surge Tank .............................................................. 24 3.4.1.4 Superior Falls Penstocks ................................................................ 24 3.4.1.5 Superior Falls Powerhouse ............................................................. 25 3.4.1.6 Superior Falls Tailrace .................................................................... 25 3.4.1.7 Superior Falls Transmission Equipment ......................................... 25 3.4.1.8 Superior Falls Reservoir ................................................................. 27 3.4.1.9 Superior Falls Appurtenant Equipment ........................................... 27 3.4.2 Superior Falls Project Boundary .................................................................... 27 3.4.3 Proposed Facilities ........................................................................................ 27 3.4.4 References .................................................................................................... 27 3.5 Project Operation (18 CFR § 5.6(d)(2)(iv)) ................................................................. 29 3.5.1 Saxon Falls Project Operation ....................................................................... 29 3.5.1.1 Current Operation ........................................................................... 29 3.5.1.2 Proposed Operation ........................................................................ 29 3.5.2 Gile Flowage Operation ................................................................................. 30 3.5.2.1 Current Operation ........................................................................... 30 3.5.2.2 Proposed Operation ........................................................................ 30 3.5.3 Superior Falls Project Operation ................................................................... 32 3.5.3.1 Current Operation ........................................................................... 32 3.5.3.2 Proposed Operation ........................................................................ 32 3.6 Other Project Information (18 CFR § 5.6(d)(2)(v)) ..................................................... 33 3.6.1 Other Project Information - Saxon Falls Project ............................................ 33 3.6.1.1 Saxon Falls Project Current License Requirements ....................... 33 3.6.1.2 Saxon Falls Project Compliance History ........................................ 34 3.6.1.3 Saxon Falls Project Summary of Project Generation and Flow Records ........................................................................................... 34 3.6.1.4 Saxon Falls Project Current Net Investment .................................. 34 3.6.2 Other Facility Information – Gile Flowage ..................................................... 34 3.6.2.1 Gile Flowage Current License Requirements ................................. 34 3.6.2.2 Gile Flowage Compliance History................................................... 34 3.6.2.3 Gile Flowage Summary of Project Generation and Flow Records . 34 3.6.2.4 Gile Flowage Current Net Investment ............................................ 35 3.6.3 Other Project Information - Superior Falls Project ........................................ 35 3.6.3.1 Superior Falls Project Current License Requirements ................... 35 3.6.3.2 Superior Falls Project Compliance History ..................................... 37 3.6.3.3 Superior Falls Project Summary of Project Generation and Flow Records ........................................................................................... 37 3.6.3.4 Superior Falls Project Current Net Investment ............................... 37 3.6.4 References .................................................................................................... 37 4. Description of Existing Environment and Resource Impacts ........................................... 38 ii Preliminary Application Document FERC Project Nos. 2610 and 2587 Saxon Falls and Superior Falls Hydroelectric Projects Iron County, WI and Gogebic County, MI 4.1 General Description of the Project Area (18 CFR § 5.6(d)(3)(xiii)) ............................ 38 4.1.1 Saxon Falls Project .......................................................................................