Tatanka Ridge Wind Project South Dakota Public Utilities Commission - PowerPoint PPT Presentation

Deubrook Elementary School Toronto, Deuel County, South Dakota AVANGRID RENEWABLES August 7th, 2019 Tatanka Ridge Wind Project South Dakota Public Utilities Commission Public Input Hearing www.avangridrenewables.com 1

Introduction • Project Developer – Jesse Bermel • Legal Counsel – Brett Koenecke • Engineer – Mark Mullen • Permitting Manager – Amanda Bohnenblust AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 2 RENEWABLES

Introduction Permitting • Janelle Rieland • Dan Flo • Mark Bastasch AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 3 RENEWABLES

Avangrid Renewables, LLC A collection of exceptional assets… One of the largest wind project U.S. Renewables owners in the U.S. with more than 6 GWs owned and contracted More than $32 billion of U.S. assets operating in 24 states rllllll\W 725+ employees at the end of 2018, compared with 12 in 1999 Wind Power Solar & Biomass 636 MW of CCGT & peaking capacity 536 MW CCGT 116 MW Solar 6,000+ MW on the strategic CA-OR border 100 MW peaking 55 MW Biomass Tatanka Ridge is a subsidiary of and clean gas generation AVANGRID, NYSE: AGR …focused on operational excellence and selective growth Rev.April 2019 AVANGRID www.avangridrenewables.com 4 Tatanka Ridge Wind Project RENEWABLES

U.S. Power Assets 1 - Klondike IIIa 1 - Buffalo Ridge I 50.4 MW 6 - Elm Creek I 99 MW 10 - Winnebago 20 MW 76.5 MW 2 - Buffalo Ridge II 210 MW 7 - Elm Creek II 148.8 MW 11 - Top of Iowa II 80 MW WIND Tacoma Maple Ridge II 2 - Hay Canyon PROJECTS 3 - MinnDakota 150 MW 8 - Trimont 101 MW 12 - Barton 160 MW 55 MW PPA 45.4 MW owned 100.8 MW 4 - Moraine I 51 MW 9 - Flying Cloud 43.5 MW 13 - New Harvest 100 MW (91 MW JV project) 3 – Klondike I 5 - Moraine II 49.5 MW Deerfield 24 MW 30 MW 4 - Klondike III Maple Ridge I 223.6 MW 115.5 MW owned (231 MW JV project) 5 - Star Point 8 7 Rugby 9 98.7 MW Groton 1 Hardscrabble 149.1 MW 2 3 4 5 6 10 6 - Klondike II 48 MW 11 74 MW 75 MW 7 - Big Horn I Wy’East Lempster 1 2 199.5 MW 10 MW 24 MW Gala 6 8 - Big Horn II 8 4 7 5 56 MW 3 50 MW 9 10 11 12 Hoosac 9 - Juniper Canyon Klamath Energy 28.5 MW Cogeneration 536 MW Pleasant Valley 13 151.2 MW Blue Creek Locust Ridge I Peakers 100 MW 144 MW PPA Providence Heights 10 - Pebble Springs 304 MW 26 MW 72 MW 98.7 MW Streator 11 - Leaning Juniper II Cayuga Ridge High Winds Locust Ridge II 300 MW 201.3 MW 162 MW PPA 102 MW Elk River Farmers City Twin Buttes 150 MW 146 MW 75 MW Amazon Wind Farm NC Shiloh San Luis Twin Buttes II 208 MW 150 MW 30 MW 75 MW Casselman Colorado Green Dry Lake I 34.5 MW 162 MW 63 MW South Chestnut Dry Lake II 46 MW 65.1 MW Manzana 189 MW El Cabo Tule 298 MW Barton Chapel 131.1 MW 120 MW Mountain View III 22.4 MW Dillon Copper Crossing 45 MW 20 MW South Texas Coast Complex Wind generation Peñascal II 201.6 MW Thermal generation Peñascal I Baffin 201.6 MW 202 MW Biomass generation Rev. 5/8/19 Solar generation AVANGRID .,. avangridrenewables.com Tatanka Ridge Wind Project 4 11111 RENEWABLES

South Dakota Experience • MinnDakota , 54 MW in SD, 36 turbines in Brookings County • Buffalo Ridge 1 , 50.4 MW, 24 turbines in Brookings County • Buffalo Ridge 2 , 210 MW, 105 turbines in Brookings and Deuel County • Coyote Ridge (under construction) 96.7 MW, 39 turbines in Brookings County l l l m www.avangridrenewables.com Tatanka Ridge Wind Project 6

Project Boundaries of Avangrid Wind Farms in the Local Area 111 1"1' BR00KIN He n:lrtckS ,t862ft Bru ::e 0 !!' " I \ B,oo k, ng< I I MinnDa kota I Avangrid Renewables CJ Buffalo Rid g~ Boundary CJ Tatanka Ridge Boundary f- - - -- -,- ---- ---, L.....J Buffalo Ridge II Boundary = Facilities .---, Interstate CJ Coyote Ridge Boundary CJ MinnDakota Boundary OUTH AKCTA Data Source : World Topo Map Coordinate System: UTM , NAD83 . zn 14N km Map produced on 0312612019 10 by A. L. Dah l AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 7 RENEWABLES

Tatanka Ridge Wind Project Project Developer • Tatanka Ridge Wind, LLC, a wholly owned subsidiary of Avangrid Renewables, LLC Project Details • Up to 155 MW • Up to 56 turbines (GE) • Maximum height of 499 feet • Maximum rotor diameter of 417 feet • Underground 34.5 kV collection system • Access roads • MET tower • Operations and maintenance building • Substation AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 8 RENEWABLES

Tatanka Ridge Wind Project – Summary In-service date • December 1, 2020 Off-take • Two Power Purchase Agreements for 100% of the output Land agreements • 100% for all facilities Participating landowners • Over 100 AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 9 RENEWABLES

Tatanka Ridge Wind – Project Location/Schedule Located north of Toronto in Blom, Brandt, Grange, Hidewood, and Scandinavia Townships • Project facilities will be located on ~52 acres, less than 1% of project • Targeting construction as early as the first quarter of 2020 • ~12 months to construct • COD end of 2020 AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 10 RENEWABLES

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~ Overview of Project Benefits • Brings jobs, taxes, and landowner payments to the project area • We expect about $1 million annually in direct landowner payments • We’ve budgeted approximately ~$700k annually in taxes • ~$260k to two local school districts, ~$180k to the county, ~$75k to all townships • About 12 to 15 permanent jobs created • Up to 200 construction jobs for 9 months - - = DEUEL COUNTY ....... FARMERS UNION Uliiiiiiiiiili OIL co. ~1.,L=I~==-= www.avangridrenewables.com Tatanka Ridge Wind Project 12

Project Development Status Land Agreements • Secured all agreements for facilities Meteorological Data • Over 5 years of continuous data collection Interconnection Agreement • Existing agreements allow project to connect to the transmission grid Constraints Analysis • Identified constraints, roads, electrical, beam paths… Field Studies • On schedule for COD, 90% complete AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 13 RENEWABLES

Environmental Surveys • Site characterization study • Wetland and waterbody • Birds • Bats • Dakota skipper • Poweshiek skipperling • Raptor nest • Cultural resources AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 14 RENEWABLES

Project Development Status Landowner Input To Date • Multiple landowner meetings and coordination Permitting • Local permit approved • State permit ongoing Power Purchase Agreements • Secured 2 agreements • 100% of output AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 15 RENEWABLES

Wind Farm Construction • Procurement • Contracts • Access roads • Foundations • Delivery of equipment • Erection of turbines • Electrical system • Post-construction activities (roads/tile) AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 16 RENEWABLES

Decommissioning At the end of commercial operation, project owner is responsible for decommissioning: Turbine removal • Foundations removed to 4 feet below grade Remove below ground equipment to 42 inches per county requirements Remove above ground facilities Access roads • Landowner has option to keep road Financial assurance AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 17 RENEWABLES

Summary • Landowner payments • South Dakota partnerships • School investment • Wind resource • Total investment of ~$218M • Fit with agriculture AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 18 RENEWABLES

Thank You! AVANGRID www.avangridrenewables.com Tatanka Ridge Wind Project 19 RENEWABLES