Is Net-Zero Campus Construction Possible? › gcsummit18 › images › Net... · 2018-04-17 ·...
Transcript of Is Net-Zero Campus Construction Possible? › gcsummit18 › images › Net... · 2018-04-17 ·...
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Is Net-Zero Campus Construction Possible?
Wendell BraseAssociate Chancellor for Sustainability
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California's Pathto Zero Net Energy
In 2007, the California Public Utilities Commission (CPUC) adopted the new goals to have all residential construction in California be zero net energy by 2020, and all new commercial construction in California be zero net energy by 2030.
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1,441 Beds
ParkingStructureParkingStructure 900
Beds
Parking StructureParking Structure
East Campus Student Apartments
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Advanced energy features considered:• Heat pump water heaters• Heat pump clothes driers• Heat pump HVAC• SEER‐18 HVAC heat pump• Heat pump HVAC with ground‐source field or pumps• High R insulation• Exposed thermal mass floors• Insulated window coverings• >90% seasonal shading• Phase‐change blankets behind gyp board• Solar hot water• Etc...
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Advanced Efficiency Measures
Upgrade insulation to R‐21 Phase‐change thermal blanket under gyp board
Cost $120,000 $900,000
Energy Savings 2,170 kWh/year 21,685 kWh/year
Cost/kWh $3.04 / kWh $2.28 / kWh
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1,441 Beds
Solar Array
(783 kw dc)
Solar Array
(783 kw dc) 900 Beds
Solar Array
(968 kw dc)
Solar Array
(968 kw dc)
East Campus Student Apartments Solar Energy System
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Next Steps to Radically Improve Building Efficiency?
• Fatter buildings• Smaller windows / less glass• No more “glass box” architecture• Move glass to the north side of building• Electro‐chromic “smart” glazing systems
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Next Steps to Radically Improve Building Efficiency?
• More precise ways to move energy• More precise ways to control energy• Desiccant dehumidification• Chilled beams• More district heating and cooling
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Next Steps to Radically Improve Building Efficiency?
• Whole roof solar canopies• Solar panel canopies• Electric storage• Chilled water storage
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UCI Campus Energy Infrastructure
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QUESTIONS?
Presented Monday, April 9, 2018 Greening the Golden State, Sacramento, CA© 2018 Regents of the University of California