Evacuation Time Evaluation for the San Onofre Nuclear Generating Station
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Transcript of San Onofre Nuclear Generating Station (SONGS) Overview - Generation Business Unit - Edison...
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7/31/2019 San Onofre Nuclear Generating Station (SONGS) Overview - Generation Business Unit - Edison International
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EDISON INTERNATIONAL
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San Onofre Nuclear Generat ingSt at ion ( SONGS) Overview
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Nuclear18%
Natural Gas51%
Large Hydro5%
Coal10%
Renewables16%
Sout hern California Edison- Largest electric utility in CA- Providing electricity for more than 120
years- 50,000 square mile service area- 12,000 miles of transmission circuits- 100,000 miles of distribution circuits
SCE
SCE Fuel Portfolio
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U.S. Nuclear Pow er Plant s
U.S. has 104nuclear power
reactors
SONGS 2 & 3
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SONGS Unit 2 & 3
Started construction: 1974 Unit 2 on line: August 1983 Unit 3 on line: April 1984 Cost: $4.5 billion Operating Licenses: Feb/Nov 2022
1,070/1080 megawatts net per unit NPDES Permits expired in May 2010
Unit 1 was shutdown and dismantledafter 25 years of service
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EnvironmentalImpactAir No direct emission of greenhouse
gases. Emissions comparable to life-cycle emissions from renewablesources.
Water Thermal none detected
Ecological typical for any power plantlocated near an ocean, river, or lake
Solid Waste
Used fuel safely stored, nationallymanaged
Land Use Relatively compact
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Environment al I m pactOnce-through-coolingis typical for any powerplant located near anocean, river, or lakeand impacts the marineenvironment
SONGS is designedto minimize impactby using advancedtechnology tosignificantly reducefish losses by capturingand returning most fishto the ocean alive.
SCE is fully mitigating marine impacts
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316( b) Compliance-Fish Ret ur n Syst em Fish are guided into fish
handling chamber Elevator lifts fish and pours
into return pipe Efficiency varies with
species Initial studies showed 75-
96% efficiency 11 year study from 1984-
1994, 1999 had an overallaverage of 70%
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Environment al Mit igat ion
San Dieguito Wetland RestorationCreates more than 160 acresof new coastal wetlands
Restored tidal flows, naturalhabitat and vegetation
Protects the wetlands from
flood-borne sediment buildupSignificantly increases fishand wildlife
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Environment al Mit igat ion
Wheeler North Giant Kelp Reef
174-acre artificial reef off SanClemente
Adds significant marine habitat
Creates marine habitat for asmany as 50 varieties of fish andinvertebrates
Increases recreationalopportunities including fishingand diving
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Hubbs Whit e Sea Bass Hat chery
Constructed to help restorewhite sea bass populations toCalifornia
SCE contributedapproximately $5 million tothe project
In 2001, over 100,000 whitesea bass were released to theocean
Capable of producing over350,000 juvenile fish annually
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San Onofre Benefit s
Provides voltage support andstability to the grid.
Reduces our dependence oncoal, natural gas, oil
Since San Onofre has begunproducing power, it has avoidedover 180 million metric tons ofgreenhouse gas emissions andapproximately 100,000 metric
tons of smog producingpollutants
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Comm unit y Benef it s More than $200 millionannually through more than2,000 high-paying jobs forskilled workers
An additional $300 million inlocal economic benefitsfrom the current steamgenerator replacementproject
Approximately $20 millionannually in property taxessupporting local services
More than $300,000 annuallyin employee and companycontributions to local charities
Provide tours & presentationsto >5000 people/yr
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How a Nuclear Plant Works
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Thank you!
Questions?