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Impact of 8760 Analysis on Value of Energy

Impact of 8760 Analysis on Value of Energy. Council & RTF use 48 time segments per Year 12 Months Four Hourly Time Bins each month Considering move to 8760 time segments Impact on value of energy Impact on peak capacity calculations Consider move to 24 time segments per Year

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Impact of 8760 Analysis on Value of Energy

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  1. Impact of 8760 Analysis on Value of Energy • Council & RTF use 48 time segments per Year • 12 Months • Four Hourly Time Bins each month • Considering move to 8760 time segments • Impact on value of energy • Impact on peak capacity calculations • Consider move to 24 time segments per Year • High Load Hours and Low Load Hours by month • Mimic common trading blocks • Faster run time, requires less detail on hourly prices, savings shapes, line losses, carbon, etc.

  2. Four-Segment Load Shape MapFour Hourly Segments by 12 Months = 48 Segments

  3. Annual 48-Segment Prices (6P)

  4. Monthly Price by Hour Segment

  5. Evaluate Impact of Hourly Analysis • Seasonality: • 48-Seg captures seasonality of prices • Hourly: • 48-Seg captures some hourly effects of prices, obscures others • 48-Seg may not capture peak kW impacts • Question: How big a difference?

  6. Impact • Impact of hourly analysis • Depends on shape of savings • Biggest impact if hourly savings shape is different than hourly price shape • Depends on hourly savings shapes within each hourly time bin (or time-segment) • Tested against peakiest hourly savings shape • Which savings shape?

  7. Which Savings Shape is Peaky • Res AC?, Water heat?, Ag Irrigation?, Res COOK

  8. ResCOOK Savings Shapes(Weekday January)

  9. Results Test with Excel ProCost Testing Incomplete

  10. End

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