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FORT COLLINS ELECTRIC UTILITY
IEEE
APRIL 28, 2009
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Fort Collins Electric Utility FACTS
Area – Approximately 53.4 square miles
Population - Approximately 137,200
Customers – 63,900
Avg Electric Bill (700kwh)- $50.66
Peak Electric Use – 285.2 MW
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Fort Collins Electric Utility DATA SHEET
Distribution Substations: 6 Underground Cable: 808 Circuit miles Percent of Primary System UG: 99.4% Percent of Services Underground: 98.4% Average System Availability (ASAI)-Percent
of time power is on: 99.9981% Average Outage Duration (SAIDI): 10.04
minutes
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History of Underground Program
1948 - Pilot program to install underground system in 78-home subdivision
1948-1967 - Underground construction at developer option
1968 - Council mandates that all new installations be underground
1969 - Fiberglass vault successfully tested
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1986 - Surplus of Reserves
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1989- Recommendation to accelerate and expand program to a 15 year program to place all services underground based on:
Safety/Liability
Reliability
Economic Factors
Aesthetic Factors
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Reliability Factors
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Economic Factors
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Aesthetics #1
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Aesthetics #2
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Aesthetics #3
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Current Status
Program completed in 2006
$1-2 million per year – roughly 2.9% of
total budget
Have converted 7,200 services at a cost
of $25, 425,161 (avg. $3,531 each)
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Common Obstacles
Conflicts with other utilities Conflicts with other City Departments Phone lines still aerial Installation delays after design
complete
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Lessons Learned
Conduit backbones no longer used Flowfill used with discretion No longer converted services “on
demand” Shorter time between design and
construction Dedicate staff member to design Coordination with other dept/utilities
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What Worked?
Council Support Customer Support Funds Available Increased value to customers Increased reliability – no storm
related outages since 2007
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Questions????