Update from ERCOT Retail Market Services to RMS December 11, 2003
ERCOT MARKET EDUCATION Retail 101. Smart Meter Technology.
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Transcript of ERCOT MARKET EDUCATION Retail 101. Smart Meter Technology.
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ERCOT MARKET EDUCATION
Retail 101
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Smart Meter Technology
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Overview
Topics in this lesson . . .
Meter Data – The Big Picture A Few Definitions Impacts of Smart Meter Technology on REPs
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Smart Meter Technology
Meter Data – The Big Picture
Meter Data
Qualified Scheduling Entity (QSE)
Losses
Unaccounted For Energy (UFE)
Adjusted Metered Load (QSE)
Calculated for each 15 minute
interval
Collected by TDSPs
Retail Electric Provider (REP)
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Smart Meter Technology
ERCOT settles with QSE based on Adjusted Metered Load Energy usage Other load-related charges
Meter Data – The Big Picture
Qualified Scheduling Entity (QSE)Adjusted Metered Load (QSE)
Load Related Charges
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Smart Meter Technology
QSE Settles with REP Energy usage Other load-related charges
Meter Data – The Big Picture
Qualified Scheduling Entity (QSE)Adjusted Metered Load (QSE)
Retail Electric Provider (REP)
Load Related Charges
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Smart Meter Technology
REP Bills Customers Energy usage based on
Meter Data Other service-related charges
Meter Data – The Big Picture
Qualified Scheduling Entity (QSE)Adjusted Metered Load (QSE)
Retail Electric Provider (REP)
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A Few Definitions
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A Few Definitions
Meter – A device that measures electrical usage over some period of time
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A Few Definitions
Non-Standard Interval Data Recorder (IDR) Non-IDR
Standard Advanced Meter System (AMS)
Meters come in multiple flavors
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A Few Definitions
Usage is measured in 15-minute intervals
Data is already shaped for 15 minute Wholesale Settlement
Typically reported monthly
Interval Data Recorder (IDR) Meter
ERCOT Settles the Real-time Wholesale Market in 15-minute intervals ERCOT Settles the Real-time Wholesale Market in 15-minute intervals
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A Few Definitions
Traditional Meter
Usage is a scalar measurement for an entire month
Data must be shaped for 15 minute Wholesale Settlement
Non-IDR Meter
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A Few Definitions
Usage is measured in 15 minute intervals
Data is already shaped for 15 minute Wholesale Settlement
Remote capabilities• Typically read remotely• May be disconnected and
reconnected remotely
Advanced Meter System (AMS)
Also known as a “Smart Meter”Also known as a “Smart Meter”
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Impacts of Smart Meter Technology on the Retail Market
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Impact of Smart Meter Technology
So, what does Smart Meter Technology mean for the Retail Market?
Meter data is more precise Meter data is available faster More opportunities for retail products?
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More Precise Meter Data
Before Smart Meters ~58% of competitive load
was settled with NIDR meters• Had to be shaped with
Load Profile• Actual customer load
pattern might have been different
• Errors contributed to UFE 1 3 5 7 9 11 13 15 17 19 21 23
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
Profile vs. Actual usage
RESLODG_NCENT Actual Customer Usage
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More Precise Meter Data
After Smart Meters ~98% of competitive load
is now settled using interval data• REP can discover
customer’s actual usage pattern
• More accurate REP settlement with QSE
1 3 5 7 9 11 13 15 17 19 21 23
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
Actual usage
Actual Customer Usage
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Meter Data is Available Faster
More Accurate Initial Settlement Today, ~73% actual load data used in Initial Before Smart Meters, ~ 39% actual load data was used in
Initial
ERCOT Real-Time Settlements Timeline ERCOT Real-Time Settlements Timeline
Day 180Operating Day
Day 5
Initial Statement
Final Statement
True-Up Statement
Day 55
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Meter Data is Available Faster
Faster Execution of Retail Market Processes
Enrollment typeInitiating Transaction
AMS Remote(AMSR)
AMS Manual(AMSM)
Non-AMS
Move-In814_16 Same Day 2 Business Days 2 Business Days
Standard Switch814_01 Same Day Same Day Within Next 4
Business Days
Self Selected Switch814-01 Same Day Same Day At Least 2 Business
Days
Move-Out814_24 Same Day Same Day Within Next 4
Business Days
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More Opportunities?
Does Smart Meter technology offer the promise of new Retail products?
Prepay Demand Response Time-of-Use Rates
Qualified Scheduling Entity (QSE)
Retail Electric Provider (REP)
Only time will tell!