R3 Conference Plenary Panel Intro- Zero Waste and The Municipal Solid Waste Combustion Moratorium
City of Dubuque Municipal Services Center Solar Panel...
Transcript of City of Dubuque Municipal Services Center Solar Panel...
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City of Dubuque Municipal Services Center
Solar Panel Project Iowa APWA Spring Conference
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MSC Solar Project
System Description • 200 KW System
• 847 Solar Panels • 77 strings of 11 panels • 2 Inverter Panels to convert DC
power into AC electric current
Completed in November of 2011
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MSC Solar Project
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MSC Solar Project
Project Goals
Electrical Cost Savings ($3,500 annually) 32 Percent of the building electrical use provided from solar energy Reduce 319,556 pounds of CO2 annually
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MSC Solar Project
Project Financing Purchase Power Agreement (PPA) with Eagle Point Energy (third party) Year 1 – $0.1100 KWh Year 25 - $0.22361 KWh Rate increase of 3% per year
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MSC Solar Project
Alliant Energy vs.
Eagle Point Solar Iowa Utilities Board Iowa District Court
Iowa Supreme Court
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MSC Solar Project
Lease Agreement - 22 years Lease Payments $2,049.02 month – 1st year $3,690.28 month – 22nd year End of Lease The system becomes owned by the City Productive Life of the Panels 40 years
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MSC Solar Project
2014 The Iowa Supreme Court sided with Eagle
Point Energy
May 1, 2015 The 2011 Purchase Power Agreement was reinstated
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MSC Solar Project
Municipal Services Center • Public Works Department • Water Distribution
Division Main Building - 126,450 sq.ft Facility Completed in 2005
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MSC Solar Project Facility Electrical Use Two Year Average 2011 M-F 7:00 a.m. – 9:00 p.m. $0.918-$.1958 321,918 peak kWh All other hours – 9:00 p.m. and weekends $0.0270-$0602 503,382 off peak kWh Yearly average $.1385 KWh
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MSC Solar Project
2015 Alliant Total KWh used- 691,800 KWh Eagle Point Solar produced – 230,860 KWh Total KWH Used or sent back to the grid - 922,660 KWh
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MSC Solar Project
Additional Alliant Rates Regional Transmission Service Peak Power Demand Power Factor Penalty
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MSC Solar Project
System Description
• 200 KW System 847 Solar Panels 77 strings of 11 panels 2 Inverter Panels to convert DC power into AC electric current
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MSC Solar Project
Panels are set at 30°
36,500 sq ft roof space
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MSC Solar Project
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MSC Solar Project
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MSC Solar Project
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MSC Solar Project
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MSC Solar Project
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MSC Solar Project
Project Goals Reviewed Electrical Cost Savings ($3,500 annually) 32 Percent of the buildings electrical use will be provided from solar energy Reduce 319,556 pounds of CO2 annually
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MSC Solar Project
Project Goals Reviewed Electrical Cost Savings ($3,500 annually) No savings realized at this time • Power factor penalty • Low fee structure for power returned to
the grid
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MSC Solar Project
Project Goals Reviewed 32 % of the buildings electrical use will be provided from solar energy Goal = 264,096 KWh Actual 4 yr. average = 233.151 KWh
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MSC Solar Project
Project Goals Reviewed
Reduce 319,556 pounds of CO2 annually Actual = 291,740 (4 year average) C02 saved 1,217,282.71 (4 years)
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MSC Solar Project
Lessons learned • Work with your utility provider • Understand your utility bill
• Transmission Costs • Peak Demand • Power Factor • Price paid for power returned to the grid
($0.02)
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MSC Solar Project
Future of solar Storage – capture energy (weekends) store for high energy needs (lower peak demand) Alternate uses – Arizona State University
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MSC Solar Project
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MSC Solar Project
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MSC Solar Project
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City of Dubuque Solar Panel Project John Klostermann
City of Dubuque Public Works [email protected]
563-589-4348