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Economic Aspects of Space Weather on the Power Grid
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Economic Aspects of Space Weather on the Power Grid

Economic Aspects of Space Weather on the Power Grid

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  • 3wavelength image using 3 colors SOHO 26 November 2003

Economic Aspects of Space Weather on the Power Grid Economic Aspects of Space Weather on the Power Grid Presentation Transcript

  • Economic Aspects of Space Weather on the Power Grid Space Weather Workshop 2008 Ben Damsky
  • Assume a model utility is hit 5,000 MW of generation 3,000 employees 3,000,000 population served 1,000,000 in a metropolitan area Method:
  • Consider costs from 2 viewpoints: The utility The whole society Method:
    • Consider costs for 3 different
    • storm magnitudes:
    • 200A (Moderate)
    • 400A (Large)
    • 800A (Very Large)
    Method:
  • What does it cost a utility to respond to a GIC alert?
  • Stop trans maintenance work: - 50 men @ $50 per hour - 8 hours of stoppage Total: $20K per day Cost to utility of GIC Response
  • Use non-economic dispatch: - 20% of 5,000 MW - added cost $10/MWHr Total: $100K per 10 hr Cost to utility of GIC Response
  • What does it cost a utility when a solar storm hits?
  • Loss of life to 5 xfrms: - Each $100K Total: $500K Moderate Storm (200 A) Cost to utility
  • Moderate Storm (200 A) Cost to utility
  • Loss of a GSU: - Profit $50M - Depreciation $25M - Idle workers $4M - Transformer $1M Total: $80M Large Storm (400 A) Cost to utility
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  • City without power: - Sales less fuel $794M - Idle workers $60M - Transformers $20M Total: $874M Very Large Storm (800 A) Cost to utility
  • What does it cost society when a very large solar storm hits?
  • US GNP $44,000 annual per capita - $170 per working day - Assume 80% lost: $136 - City of 1M people Total: $136M/day, $680M/week “ GNP” for a City
  • City without power: - Reduced GNP $8.8B Wide area outage: - Reduced GNP $13.6B Total: $22.4B Very Large Storm (800 A) Cost to society
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  •                                                                          Dorothea Lange
  • Possible utility costs of moderate, large and very large GIC events
  • Possible societal costs of moderate, large and very large GIC events
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