Renewable Energy at UCSC
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Transcript of Renewable Energy at UCSC
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Renewable Energy at UCSCRenewable Energy at UCSC
Tommaso BoggiaSustainability Office
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OptionsOptions• On-site
• Carbon Offsets
• Renewable energy credits
(www.iesolar.com)
(www.ran.org)
(www.kansastravel.org)
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On-Site at UCSCOn-Site at UCSC
• Cons:– Expensive
• $5/Watt
– Bureaucracy• Max 2 year payback
– Sad, sad history• Solar Hot Water
– Location• Trees• Fog
• Pro:– Power Purchasing
Agreement– UCSC policies
• 10 MW by 2014
– UCSC Farm & Garden
– Location• Buildings• Meadows?
(www.ucsc.edu)
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Renewable Energy CreditsRenewable Energy Credits
• Pros– Green the grid– Third party certification– Financial incentive– Media favorite
• Cons– Negligible local effect– Greenwash– Indulgence
(www.sterlingplanet.org)
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Carbon OffsetsCarbon Offsets
• Pros– Can be administered
locally– Easier to grasp– Include all type of
emissions (transit, etc)
• Cons– No standard certification– Lots of scams– Dubious methods
• “The study finds little or no climate benefit when trees are planted in temperate regions.”
– Double dipping– Cheat Neutral
(www.americanforests.org)
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Three PhasesThree Phases• RECs
– ‘Virtually’ eliminate our emissions
• Energy Efficiency– Cheapest form of clean energy
• On-site, decentralized energy production– Produce as much energy as we can to supplement
greening grid
(eere.energy.gov)