pipeline replacement programs presentation by frank radigan hudson river energy group june 26, 2012
TRANSCRIPT
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Pipeline Replacement Programs
Presentation By Frank RadiganHudson River Energy Group
June 26, 2012
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Topics of the Day Who is HREG? Pipeline Replacement Programs
What they tell the regulator What they tell Wall Street Lessons learned
Considerations to be addressed in developing a program to upgrade the LDC's system
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Who is HREG Former NYS Public Service Employees Frank Radigan – Rates, Cost of
Service, Rate Design, Depreciation Phil Teumim – Focus on utility
management, policy issues and rates John Gawronski – Gas Safety Mike Scott – Gas Safety and Planning.
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Our Recent Experience Yankee Gas Southern Connecticut Gas Connecticut Natural Gas Washington Gas Light Company Northwestern Energy (Montana) Peoples Gas (Chicago) Investigation into the cause of a gas
explosion in the Southwest
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Pipeline Replacement Programs(a rose by any other name)
Pipeline Integrity Program Accelerated Pipe Replacement
Program Leak Prone Pipe Replacement Program Pipeline Modernization Program On Electric Side –
Smart Grid Environmental and Reliability Account
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What Utilities Tell The Regulator
Maximize Safety Proactive to prevent accidents Reduce customer outages Current system safe but program
will enhance safety and reliability Local economy benefits from new
jobs
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What Utilities Tell Wall Street
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Lessons Learned Sales Growth is slow or non-existent
due to decoupling Companies are in the business to grow Increased investment increases
earnings Riders (et. al.) reduce regulatory lag If request for rider is rejected, utilities
survive
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Distribution Integrity Management Plan (DIMP)
USDOT Pipeline Safety requirement Under development for years and first
applied to high pressure pipelines Regulations affecting LDCs issued
2/10 and plans must be implemented by 8/11
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DIMP Requires LDCs to Know and understand their systems Development of awareness of threats to systems Rank risks in terms of likelihood and consequences Identify and implement measures to address the
identified risks Put in place systems to monitor performance and
measure effectiveness Evaluate the program periodically and implement
improvements Report the above annually to US DOT (PHMSA)
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Findings to Date LDC approaches tend to be long on
spending (throwing money at the problem) and short on analysis
To be fair, analytical deficiencies may be the result of poor data quality
DIMP implementation is spotty DIMP does not mean you have to increase
spending Some LDCs requesting substantial funding
for DIMP
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Which Pipe is Most Vulnerable?
Cast iron, particularly smaller diameter - tendency to crack
Bare steel, non-cathodically protected steel (typically pre-1970) - tendency to corrode
Some early plastic pipe - tendency toward embrittlement
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Indicators of Need for Upgrades
Amount and Percent of Vulnerable Pipe (Cast Iron and Bare Steel)
Leak rates, categorized by pipe composition and cause
Numbers of Third Party Damages (excavation)
LDC's response to DIMP. DIMP analysis will show need for
upgrades
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Annual data available; all LDCs required to file annual report with US DOT
Broken down by pipe material, cause of leak, vintages of pipe
Enables analysis of pipe replacement rates, trends in leak rates
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Leak Rates, the Primary Indicator
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Third Party Damages Not a function of the condition or age of
the infrastructure. Typically, largest single cause of leaks and
incidents on LDC systems Programs vary widely but should include:
Outreach and education to the public Outreach and education to excavators, both
public employees and private contractors Close working relationship with one-call system
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How to Evaluate Proposed Program
Does the LDC have a plan for replacing its vulnerable pipe?
How does it prioritize pipe sections for replacement/rehabilitation?
Does the LDC's plan target the highest risk areas?
What has the LDC done to address DIMP?
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Independent Analytical Approach
Compare leak rate performance against national and regional averages
Compare third party damage rates against national and regional averages
Determine trends in leak rates by type and vintage of pipe
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Summary Basic premise: vulnerable pipe needs to
be replaced over a reasonable period of time according to a well thought out plan.
Worthy goal. Need to find the right balance between cost and safety.
Is a Rider necessary? Plan should be data driven. LDC may need to do a lot more homework
to come up with a reasonable plan.
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Contact Information
Frank RadiganHudson River Energy Group237 Schoolhouse RoadAlbany, NY 12203e-mail: [email protected]. (518) 452-2585Fax (518) 452-2684