practical observations for keeping the lights on ... · practical observations for keeping the...
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Practical Observations for Keeping the Lights On:
Connecting the Academic Dots
Richard R. Miller
National Hydropower Practice Leader
HDR Engineering, Inc.
May 4, 2017
ENHANCED REVENUE AND MARKET STRUCTURES
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Inertia – Real or Synthetic???
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How many lawn mower engines equal a diesel locomotive in terms of Inertia and Torque?
??? =
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How many lawn mower engines equal a diesel locomotive in terms of Inertia and Torque?
1 Lawnmower Engine
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How many lawn mower engines equal a diesel locomotive in terms of Inertia and Torque?
100 Lawnmower Engines
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How many lawn mower engines equal a diesel locomotive in terms of Inertia and Torque?
1,000 Lawnmower Engines
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Inertia – Real or Synthetic How can we model it? How can we incentivize providing it?
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Flexibility: Needs and Resources
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Idaho Power Summer Peak Load and Resources
3,245 MW - July 12, 2012
Total Load
Coal
Hydro
Langley
Boise High Temperature 108°
Demand Response
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February 2012 – 1 day Wind Generation
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February 2012 – 3 days Wind Generation
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February 2012 – 7 days Wind Generation
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February 2012 – 14 days Wind Generation
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February 2012 – 29 days Wind Generation
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Wind (blue), solar (gold), and power demand (red) time series data
Flexibility for Short-Term Uncertainty
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FLEXIBILITY POTENTIAL – THE GOLDEN DUCK Demonstrating Hydro’s Flexible Generation
Flexible Hydropower Is a Proven and Widespread Technology!
January 2009
Courtesy of HPPI
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Why Flexibility Matters: Germany as an Example
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FLEXIBILITY: HOW DO WE MEASURE IT?
HOW DO WE INCENTIVIZE IT?
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Defining the Problem:
“ACCESSING SOURCES OF SYSTEM FLEXIBILITY
IS ONE OF THE MOST CRITICAL STEPS IN
ACHIEVING HIGH PENETRATION OF VARIABLE
GENERATION..AT EVERY POWER SYSTEM SCALE” Source: NREL et.al
In addition to capacity, system planners are now concerned about the composition of new capacity
• Ramp rates, minimum stable levels, ability to provide reserves
Increasing the penetration of renewables is going to require improved system
flexibility
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Flexibility Is Key when Energy Sources Are Unpredictable
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Flexibility Is Key when Energy Sources Are Unpredictable
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Optimized and Flexible Energy
Optimize availability
of existing flexible resource.
If necessary, deploy
additional
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FLEXIBILITY: HOW DO WE MEASURE IT?
HOW DO WE INCENTIVIZE IT? • “IN NORDEL IT IS CLEAR THAT SUFFICIENT CAPACITY FROM
HYDRO AND CHP ARE ALREADY DEPLOYED”
• “IN THE IBERIAN PENNINSULA A WELL BALANCED COMBINATION OF HYDRO, PUMPED STORAGE AND CCGTs IS REALIZED..”
• “IN MANY COUNTRIES, IT IS CLEAR THAT THEY HAVE PREPARED THEMSELVES TO OPERATE AS FLEXIBLE POWER SYSTEMS , AS THEY RELY ON STRONG INTERCONNECTIONS AND SELF SUPPLY WITH HYDRO, PUMPED STORAGE AND CCGTs TO PROVIDE SYSTEM FLEXIBILITY”
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Bulk and Distributed Energy Storage Technologies
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Bulk and Distributed Energy Storage Technologies
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Contact Info
RICK MILLER, P.E. SENIOR VP AND NATIONAL DIRECTOR RENEWABLE ENERGY SERVICES HDR Engineering, Inc. 704.248.3686 [email protected]