Economic Aspects of Space Weather on the Power Grid
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Economic Aspects of Space Weather on the Power Grid Space Weather Workshop 2008 Ben Damsky
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Economic Aspects of Space Weather on the Power Grid
Transcript of Economic Aspects of Space Weather on the Power Grid
Economic Aspects of
Space Weather on the
Power Grid
Space Weather Workshop 2008
Ben Damsky
2© 2007 Electric Power Research Institute, Inc. All rights reserved.
Assume a model utility is hit5,000 MW of generation3,000 employees3,000,000 population served1,000,000 in a metropolitan area
Method:
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Consider costs from 2 viewpoints:The utilityThe whole society
Method:
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Consider costs for 3 differentstorm magnitudes:• 200A (Moderate)• 400A (Large)• 800A (Very Large)
Method:
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What does it costa utility to respond
to a GIC alert?
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Stop trans maintenance work:- 50 men @ $50 per hour- 8 hours of stoppage
Total: $20K per day
Cost to utility of GIC Response
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Use non-economic dispatch:- 20% of 5,000 MW- added cost $10/MWHr
Total: $100K per 10 hr
Cost to utility of GIC Response
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What does it costa utility when a
solar storm hits?
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Loss of life to 5 xfrms:- Each $100K
Total: $500K
Moderate Storm (200 A)Cost to utility
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Moderate Storm (200 A)Cost to utility
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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
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What does it costsociety when a very
large solar storm hits?
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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
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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
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Possible utility costs of moderate, large and very large GIC events
y = 3E-07x5.3857
1000
10000
100000
1000000
10000000
100000000
1000000000
10000000000
100
Amps
$
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Possible societal costs of moderate, large and very large GIC events
y = 8E-13x7.7256
1000
10000
100000
1E+06
1E+07
1E+08
1E+09
1E+10
1E+11
100
Amps
$
23© 2007 Electric Power Research Institute, Inc. All rights reserved.
24© 2007 Electric Power Research Institute, Inc. All rights reserved.
25© 2007 Electric Power Research Institute, Inc. All rights reserved.
26© 2007 Electric Power Research Institute, Inc. All rights reserved.
27© 2007 Electric Power Research Institute, Inc. All rights reserved.
