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Managing Risk in the Grid with Energy Storage

Managing Risk in the Grid with Energy Storage. Abbas Akhil Principal, Renewable Energy Ventures, LLC (505) 280-0997 abbas@revtx.com. 9th Meeting NM Renewable Energy Storage Working Group November 12, 2014. My Background. PNM, Resource Analysis Group: late 1970’s; 13 years

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Managing Risk in the Grid with Energy Storage

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  1. Managing Risk in the Gridwith Energy Storage Abbas Akhil Principal, Renewable Energy Ventures, LLC (505) 280-0997 abbas@revtx.com 9th Meeting NM Renewable Energy Storage Working Group November 12, 2014

  2. My Background • PNM, Resource Analysis Group: late 1970’s; 13 years • Alternate renewable energy assessments • Reeves solar hybrid repowering study and conceptual design • Sandia National Laboratories, Energy Storage Program: till December 2011. • Energy storage and micro-grids • Lead author of DOE Electricity Storage Handbook, 2013 • www.sandia.gov/ess/publications/SAND2013-5131.pdf

  3. The Electric Grid • Instantaneously match generation to load • Maintain constant voltage and frequency • Plan for load growth – capacity additions and T&G upgrades

  4. Types of Risk • Operational risk • Sudden failure of generating unit or loss of transmission pathway • Sudden changes in renewable energy resources • Intra-hour load management • Planning risk • Unexpected changes in load growth projections – system and distribution level • Distribution and substation upgrades • Time-of-use or demand charge management – customer level • UPS functions – customer level

  5. Source: Moving Energy Storage from Concept to Reality: Southern California Edison’s Approach to Evaluating Energy Storage

  6. Source: Moving Energy Storage from Concept to Reality: Southern California Edison’s Approach to Evaluating Energy Storage

  7. Source: Moving Energy Storage from Concept to Reality: Southern California Edison’s Approach to Evaluating Energy Storage

  8. Risk: Intra-hour load managementDaily System Load

  9. Risk: Distribution and substation upgradesDaily Load Duration Plot 105% 100% System Load 50% 12 24 Hours

  10. 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

  11. Questions? Abbas Akhil Renewable Energy Ventures, LLC abbas@revtx.com 505-280-0997 ThankYou...

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