![Page 1: History & Background - StarChapter...• Merger with SCANA Corporation in 2000. Service Territory •560,000 customers •851 employees •29 offices •557 miles of transmission pipeline](https://reader034.vdocuments.us/reader034/viewer/2022051807/6004364c0990fa7213543e15/html5/thumbnails/1.jpg)
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History & Background
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History
• Regulated public utility that
purchases, sells and transports
natural gas
• Established in 1938 by Gastonia
businessman Charlie Zeigler
• In 1951, became the first
distribution company in North
Carolina to tie into the Williams
Transcontinental Gas Pipeline as it
crossed Gaston County
• Merger with SCANA Corporation
in 2000
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Service Territory
• 560,000 customers• 851 employees• 29 offices
• 557 miles of transmission pipeline• 11,588 miles of distribution pipeline
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Video Overview
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Products & Assets
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Product Offerings
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Compressed Natural Gas (CNG)
• 10 CNG fueling stations availableto the public across our service territory
• 4 million gallons sold system wide last year
• Over 200 company fleet vehicles powered by CNG
CNG is a readily available alternative to gasoline that’s made by compressing natural gas to less than 1% of its volume at standard atmospheric pressure
PSNC CNG -
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Liquefied Natural Gas (LNG)Natural gas is condensed to a liquid by cooling it to about -260°F (-162°C)
This process reduces its volume by a factor of more than 600—similar to reducing the natural gas filling a beach ball into liquid filling a ping-pong ball
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Growth Related Projects
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Growth Related Projects
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T-01 Pipeline Replacement Project
• Completed Phase 1 – replaced a 25-mile-long section of natural gas transmission pipeline that runs through Polk, Henderson, and Buncombe Counties. Replaced a 1950’s vintage 8-inch pipeline with a new 20-inch pipeline.
• Completed Phase II – installed 48 miles of new 24-inch transmission pipeline through Cleveland, Rutherford and Polk counties. Plans are to complete by year-end 2017.
• Phase III involves installing three miles of new 20-inch transmission pipeline from the end of Phase I in Asheville to Duke Energy’s Skyland electric generation facility. Completion scheduled for April 2018.
• Construction of new compressor stations in Cleveland and Polk counties in NC is scheduled to take place in 2018.
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T-01 Phase II
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Boring Process
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Compressor Stations
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T-030 Pipeline Extension Project
• As a result of the strong residential, commercial and industrial growth in both Franklin and Wake counties, there is an increasing demand for natural gas. We are extending a transmission pipeline from Franklinton, NC south to Clayton, NC to meet that growing demand.
• The new transmission pipeline will consist of 37 miles of 20-inch pipeline through Franklin, Johnston, and Wake counties in NC.
• The new pipeline will terminate at the Clayton supply interchange facility which will also serve as a future supply interchange with the Atlantic Coast Pipeline project.
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T-030 Route
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Atlantic Coast Pipeline
• A 600-mile interstate natural gas transmission pipeline, expected to bring 1.5 billion cubic feet of natural gas per day to North Carolina and Virginia.
• The pipeline will begin in Harrison County , WV, and extend southeast through Virginia and then run south to its terminus in Robeson County, NC.
• The pipeline will be 42 inches in diameter through WV and VA and will transition to 36 inches in diameter in NC.
• Pending regulatory approvals, the projected in-service date is second half of 2019, and PSNC plans to be a customer of the pipeline under a 20-year contract.
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Pipeline Safety
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Regulatory Umbrella
D.O.T.FRA
FHWA
FAA
P.H.M.S.A.(Pipeline & Hazardous Materials Safety Administration)
FTA
NHTSA
FMCSA
N.T.S.B.
N.C.U.C.(North Carolina Utilities Commission)
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• We patrol and monitor our system every day – driving parts, walkingparts, and even flying sections
Inspections and Maintenance
• We operate every valve on our system annually to ensure that it is ready for operation in case of an emergency
• We monitor our systems 24x7 with a state of the art SCADA and control room
• Monitoring system flows and pressures across the transmission and select pressures across distribution system
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• We induce an electrical voltage on steel pipe to prevent it fromcorroding
• This works in tandem with the coating on the steel pipe
• Natural gas is naturally odorless, colorless, noncorrosive & nontoxic• We add an odorant to ensure that leaks can be detected at very small
concentrations
• We get thousands of notifications every day that someone will bedigging around our lines
• Every day we mark our facilities in the field so that excavators canavoid damaging our facilities
• We conduct a leakage survey of our system each and every year• We inspect certain areas more frequently – transmission lines,
high pressure lines, & business districts• Most leaks are repaired when found but we monitor even all leaks
until repaired
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Smart Tools (“pigging”)
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Specialized Transmission Inspections
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0
20
0
40
0
60
0
80
0
10
00
12
00
Stationing (ft)
.
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Questions