managing risk in the grid with energy storage
DESCRIPTION
Managing Risk in the Grid with Energy Storage. Abbas Akhil Principal, Renewable Energy Ventures, LLC (505) 280-0997 [email protected]. 9th Meeting NM Renewable Energy Storage Working Group November 12, 2014. My Background. PNM, Resource Analysis Group: late 1970’s; 13 years - PowerPoint PPT PresentationTRANSCRIPT
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Managing Risk in the Gridwith Energy Storage
Abbas Akhil
Principal, Renewable Energy Ventures, LLC
(505) 280-0997
9th MeetingNM Renewable Energy Storage Working Group
November 12, 2014
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My Background
• PNM, Resource Analysis Group: late 1970’s; 13 yearso Alternate renewable energy assessments
o Reeves solar hybrid repowering study and conceptual design
• Sandia National Laboratories, Energy Storage Program: till
December 2011.o Energy storage and micro-grids
o Lead author of DOE Electricity Storage Handbook, 2013
o www.sandia.gov/ess/publications/SAND2013-5131.pdf
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The Electric Grid
• Instantaneously match generation to load• Maintain constant voltage and frequency
• Plan for load growth – capacity additions and T&G upgrades
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Types of Risk
• Operational risko Sudden failure of generating unit or loss of transmission pathway
o Sudden changes in renewable energy resources
o Intra-hour load management
• Planning risko Unexpected changes in load growth projections – system and
distribution level
o Distribution and substation upgrades
o Time-of-use or demand charge management – customer level
o UPS functions – customer level
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Source: Moving Energy Storage from Concept to Reality:Southern California Edison’s Approach to Evaluating Energy Storage
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Source: Moving Energy Storage from Concept to Reality:Southern California Edison’s Approach to Evaluating Energy Storage
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Source: Moving Energy Storage from Concept to Reality:Southern California Edison’s Approach to Evaluating Energy Storage
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Risk: Intra-hour load management
Daily System Load
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50%
100%105%
12 24
Hours
Sys
tem
Loa
dRisk: Distribution and substation upgrades
Daily Load Duration Plot
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References
• Southern California Edison position paper on energy
storage: “Moving Energy Storage from Concept to Reality:
Southern California Edison’s Approach to Evaluating Energy
Storage”
• Cal-ISO paper on uses of energy storage for grid control
http://www.caiso.com/285f/285fb7964ea00.pdf
• DOE Electricity Storage Handbook – 2013 edition
http://www.sandia.gov/ess/publications/SAND2013-5131.pdf
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Questions?
Abbas Akhil
Renewable Energy Ventures, LLC
505-280-0997
Thank You...