Date post: | 21-Dec-2015 |
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SustainableSustainable Energy Energy
Setting Goals and Setting Goals and Attaining ThemAttaining Them
Key Message
• Choices now exist for both large scale and small scale implementation
• Barriers are:– Initial/Capital Costs– Lack of Leadership– Implicit/Explicit belief that fossil energy remains
abundant– NIMBY Land Use Issues
Evaluate OptionsEvaluate Options
Capital Cost ($ per Megawatt)Capital Cost ($ per Megawatt) Levelized Costs (lifetime of facility)Levelized Costs (lifetime of facility) Amount of Land UsedAmount of Land Used Amount of Material UsedAmount of Material Used Greenhouse Gas Emission ReductionsGreenhouse Gas Emission Reductions Scalability of TechnologyScalability of Technology
Achieve Realistic GoalsAchieve Realistic Goals 30% Annual US Electrical Demand met by 30% Annual US Electrical Demand met by
Wind Power by 2030 (100,000 Turbine Wind Power by 2030 (100,000 Turbine Project)Project)
50% of Daytime American Southwest 50% of Daytime American Southwest Electrical Demand with CSP/PV rooftop Electrical Demand with CSP/PV rooftop arrays by 2025arrays by 2025
20% of extant cropland for Switch grass 20% of extant cropland for Switch grass @50MPG = ½ of our fuel consumption by @50MPG = ½ of our fuel consumption by 20202020
Worldwide conversion to OTEC +Hydrogen Worldwide conversion to OTEC +Hydrogen by 2075by 2075
ConclusionConclusion
A NASA like effort is needed to reach A NASA like effort is needed to reach these goalsthese goals
Without such an effort, Alternative Without such an effort, Alternative Energy will remain a niche MarketEnergy will remain a niche Market
We can’t suddenly switch from We can’t suddenly switch from Fossils to Renewables Fossils to Renewables 30 year 30 year transition time is neededtransition time is needed
Conservation is an important form of Conservation is an important form of alternative energy productionalternative energy production