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University of Minnesota SUN Delegation: NREL Road Map
November 16, 2015
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Overview❏Introduction
❏System Layout
❏Potential Sites
❏Finances
❏Future/Outreach/What We Want to Get Out of It
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Minnesota Energy Landscape5 Campuses:
Twin CitiesDuluthCrookston
MorrisRochester
Energy Providers: Xcel Energy*
Minnesota Power*Ottertail PowerRochester Municipal UtilityMorris Municipal Utility
*Allows Community Solar
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Minnesota’s Campuses and Enrollment5 Campuses:
Twin Cities50,000 studentsDuluth
10,000 studentsCrookston
3,000 studentsMorris
2,000 studentsRochester
500 students
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U of MN Energy DemandsU of MN Twin Cities:
2014 Electrical Consumption: 340 GWhsApproximate # of Panels: 1,000,000
U of MN Duluth:2014 Electrical Consumption: 40 GWhsApproximate # of Panels: 100,000
Land Requirements:.85 Square Miles or 540 acres
University Climate Action Plan (2011) Carbon Reduction Goals
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University Climate Action Plan (2011) Carbon Reduction Goals
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Twin Cities Potential SitesSt Paul UMore Park Minneapolis
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Twin Cities Site Assessment❏Best Potential Sites:
❏UMore Park❏Carlson School❏University Ramps
❏Site Criteria❏LiDAR Data❏Roof Condition❏Electrical Interconnection❏Structural Analysis❏Cost❏Historical Preservation
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Twin Cities, MN Site Assessment Team❏Lidar Based Site Assessment❏Total Insolation Inventory❏Roof and Parking Files
-with structural data
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Duluth, MN Site Assessment Team ❏Identifying list of potential UMD campus solar sites/projects
❏Expanding Malosky Stadium Array❏Natural Resources Research Institute Roof
❏Assembling Resources❏Gathering faculty advisor support
❏Working to collect mapping resources❏Obtained building data from UMD Geospatial Analysis Center❏Partnership with Ecolibrioum3 for help with solar suitability
mapping
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Financial ModelingNon-Taxable Entity:
NPV: -$530,000Return on Equity: 3.3%
Taxable Entity: (3rd Party):NPV: $550,00Return on Equity: 52%Tax Credit: $900,000
Based on Simple PhotovoltaicFinancial Model
Description Assumptions
System Cost $3/W
Length of Project 25 years
Accelerated Depreciation 5 years
O&M Cost $20/kW
O&M Annual Cost Rise 3%
Annual Electricity Rate Rise
1%
SREC Credit $.25/kW
Inverter Life 10 years
Cash: Debt Ratio 50%: 50%
Loan Rate 7%
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Community Solar Garden❏What is a Community Solar Garden?
❏A developer owns a PV array and sells the electricity to subscribers.
❏Why is it beneficial to the University of Minnesota?❏lower risk for the University❏Don’t have to worry about
maintenance❏get billed for energy
consumption
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Community Solar Garden3 Ways to Participate in CSG
❏Lease property to a developer:❏Pay for space, and buy electricity from the developer.
❏Develop own CSG:❏Control over project, but much more cost and risk.
❏Purchase power from a CSG:❏Pay utility bill to developer that owns the site.
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Outreach❏MN is a national leader on
renewable energy❏Outreach campaign to move
decision makers❏Develop messaging around
solar❏Website for publicity,
petition collection❏Get articles in campus, local
media❏Run campaign to get alumni,
student, staff support