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Transcript of ARAM BENYAMIN, P.E. Senior Assistant General … BENYAMIN, P.E. Senior Assistant General Manager Los...
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ARAM BENYAMIN, P.E.
Senior Assistant General Manager
Los Angeles Department of Water and Power
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Distribution
• 11,000 mi of OH & UG lines
• 321,780 Poles
• 158 Distributing Stations
• 23 Receiving Stations
Generation
• Gas, Coal, Nuclear, Hydro
• Solar, Wind, Geothermal
• 7300 MW Capacity
• 23,500 GWh Delivered
Transmission
• 3,623 miles of OH lines
• 125 miles of UG cable
• 28% of CA’s transmission
• 15,483 towers
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LA’s power supply was built over the last 100 years
Over next 15 years, LADWP will replace over 70% of it
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AND… Replace and Modernize
the Aging Distribution Infrastructure
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Meet Operating Requirements
Resource Adequacy
Reliability
Operating Flexibility
Budget / Funding
Comply with Mandates
Once Through Cooling
Renewable Portfolio Standard
Air Quality / CO2 Reduction
Accomplish Overall Mission To responsibly serve power to 4
million people over 465 square miles
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. Warranty & Reliability Phase
OTC Compliance Date
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.
.
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2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
Haynes Unit 8 , 9 &10
OTC REDUCTION TARGET DATES
Haynes Units 5 & 6
Scattergood Unit 3
Scattergood Unit 1 & 2
Haynes Unit 1 & 2
Harbor Unit 1, 2 &5
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Repower Units 5 & 6
Replace circa 1960’s
steam boilers & turbines
Install six GE LMS 100’s
Simple Cycle Gas
Turbines (100 MWs each)
10 minute fast start
flexibility for renewables
Improves fuel efficiency
(i.e. lower heat rate)
In service July 2013
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Repower Unit 3
Install combined cycle
Install two GE LMS
100’s simple cycle
turbines
Demolish 1970’s
supercritical turbine
and steam boiler
New Control Building
In Service Dec 2015
BENEFITS
No more OTC & reduced emissions
Fast start and ramp for renewables
Increase fuel efficiency
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Replace 1990
vintage combined
cycle and 1940’s
steam turbine
Install 220 MW 2x1
combined cycle
Future technology
will be utilized
Improves fuel
efficiency (i.e.
lower heat rate)
In service 2026
Add text re: Benefits and Scope here
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Modernization New Breakers & Turbines & Rebuilt Generators
Automation of Controls
90 MW capacity increase
Increased pumping efficiency
6 of the 7 units completed
Completion April 2014
Castaic Power Plant
1,175 MW at full capacity
Pump storage (circa 1970’s)
Valuable energy storage for renewables
& fast starts
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AC & DC Filters Replacement
Controls Upgrade
Ocean Ground Replacement
Sylmar
Converter
Station
Pacific DC Intertie (871 miles)
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Barren Ridge Renewable
Transmission Project
Increase line capacity
New & expanded Stations
New wire / conductor
In service 2016
Benefits
Increases renewable power
import capability to LA
Provide renewable energy
storage path to Castaic PP
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PINE TREE
SOLAR
OUTPUT
3 Day
Period
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DAILY PINE TREE WIND OUTPUT (By Color)
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Pole Life
27% of poles are over 60 yrs. old
Must replace >5,000 per year to
gradually reduce average age
Cable Life
4,500 miles of UG Distribution Cable
Replaced this year = 26 miles
Acceptable replacement rate = 60 miles/yr.
Fix-It Tickets
40,000+ repair orders backlogged
Target level is <5,000
Additional funding required to
decrease amount of backlog
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Majority of poles installed during L.A.’s rapid growth (between 1940’s -1960’s)
At 5000 poles per year, it would take over 17+ years to replace poles currently 60+ years old
During that time, another 130,000+ poles will be 60+ years old, which would take another 26 years to replace.
Note: 60 years is estimated life. Actual life will vary.
60+ yrs old
60 to 41 yrs old
40 to 1 yr old
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Aging Underground Cables
Safety and Reliability Issues
Three cable-related explosions
in last 6 months
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UCLA • Demand Response
• Electric Vehicles
USC • Customer Behavior
• Cyber Security
• Demand Response
• Electric Vehicles
JPL • Cyber Security
ARRA Grant
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Demand Response (Load Management)
Electric Vehicles (Smart Charging & Grid Integration)
Cybersecurity (For Utility Components & Customer)
Customer Usage / Behavior (2-Way Smart Meters)
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Planned Smart Meter Installations
52,000 “smart” meters to establish two-way
communication with LADWP
20 Power Quality meters on 4.8 kV system
to monitor power quality on selected
distribution feeders
20 smart water meters as a pilot
Purpose / Benefits
Demand Response
Home Area Network (HAN) and control of
the electric vehicle chargers
Automated online billing and review
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Charge Up LA! (May 1, 2011 to June 30, 2013)
• Residential charger installation program for EV customers
• $1 million in rebates provided to about 600 customers to install a Level II charger (240 V)
• New rebate program being developed to support residential, workplace, and public charging (Level II and DC Fast Charging)
LADWP retrofitted over 129 EV chargers in City of LA facilities to current standard market technology
16 DC Fast Chargers will also be installed
LADWP acquiring 63 EVs as part of demonstration testing
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