Making Clean Local Energy Accessible Now December 16, 2013 Flattening the Duck Dynamic Grid Solutions for Integrating Renewables
December 16, 2013
Feb 25, 2016
Flattening the Duck Dynamic Grid Solutions for Integrating Renewables. December 16, 2013. The California ISO Duck Chart (2012 – 2020). 13,100 MW 5-8pm. 5,300 MW 8-11am. Potential over-generation. CAISO Duck Chart (2020 Issues). 13,100 MW 5-8pm. 5,300 MW 8-11am. Potential - PowerPoint PPT Presentation
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Making Clean Local Energy Accessible Now December 16, 2013
Flattening the DuckDynamic Grid Solutions for Integrating Renewables
Making Clean Local Energy Accessible Now
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The California ISO Duck Chart (2012 – 2020)
5,300 MW 8-11am
Potential over-generation
13,100 MW 5-8pm
Making Clean Local Energy Accessible Now
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CAISO Duck Chart (2020 Issues)
5,300 MW 8-11am Potential
over-generation
13,100 MW 5-8pm
Making Clean Local Energy Accessible Now
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Flatten the Duck – Import/Export
Import/Export
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Flatten the Duck – Curtail Baseload GenerationRather than address over-generation with more natural gas generation, California can strategically plan maintenance on baseload plants during shoulder months.
Source: CAISO Summer Loads and Resources Assessment
CAISO planned outages ranged up to 7000 MW per weekday in the summer of 2012.
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Flatten the Duck – Demand Response
Demand Response
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Addressing the Duck Chart with Energy Storage
Energy Storage
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Addressing the Duck Chart with Curtailment
Curtailment
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Flattening the Duck: All Solutions
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Back-up Slides
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Import/Export Assumptions
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Import/Export Assumptions
Source: CAISO 2013 Summer Loads & Resources Assessment (May 6, 2013)
2012 Peak Daily ISO Imports = ~11,500 MW
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Demand Response Assumptions
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Energy Storage Assumptions
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Curtailment Assumptions
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CAISO Duck Chart (2020 vs. 2013)
Lowest net load: 11,700 MW around
1pm
Highest net load: 25,000 MW at 8pm
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Natural Gas Plants Have Integration CostsRenewables have predictable variability. Fossil fuel power plants often shut down unexpectedly, forcing energy consumers to foot the bill for reserves and frequency response.
Source: CAISO Summer Loads and Resources Assessment
More than half of the outages associated with conventional generation are unplanned.
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