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Smart Metering in ERCOT: Smart Metering in ERCOT: Implementation UpdateImplementation Update
CCET Board of Directors MeetingAugust 3, 2011
Presented byChristine Wright, Competitive Markets Division
Public Utility Commission of Texas
Overview
Over 6 million smart meters will be deployed by the end of 2013.
As of August 2011, over 3.6 Million meters are installed: Uncork – 62% complete Center Point – 74% complete AEP – 32% complete TNMP – 5% complete
Data Access: Customers with a smart meter can access their usage data and join an In Home Device (IHD) through Smart Meter Texas
Services for Customers: REPs are offering products and services that utilize smart meter functionality, such as energy monitoring, time-of-use pricing, or pre-paid service.
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Rulemaking
Commission Rule, Subst. R. 25.130 Set requirements for functionality, deployment plans, data
access, open standards and included cyber security requirements
Deployment Plans - deployment is voluntary Data Access - Customer owns the data Customer privacy - addressed in commission rules Cyber Security Requirements -
Annual security audit of utility system; Commission ordered additional security audits of Smart
Meter Texas Stakeholder working group necessary for
implementation4
Putting the Pieces Together
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MetersMetersMetersMeters
Smart Meter TexasSmart Meter TexasSmart Meter TexasSmart Meter Texas
Utility Infrastructure Utility Infrastructure & Back Office& Back Office
Utility Infrastructure Utility Infrastructure & Back Office& Back Office In Home Devices In Home Devices
(IHDs)(IHDs)In Home Devices In Home Devices
(IHDs)(IHDs)
ERCOT ImplementationERCOT ImplementationERCOT ImplementationERCOT Implementation
• ESI ID Look-Up• 15-Minute Settlement• TX SET 4.0• Revisions to work with Nodal• Demand Response• Load participation in SCED
• Stakeholder Requirements Developed• Plans to turn over to ERCOT• Rulemaking Requirements• HAN, DR, Prepaid Tool• Upgrades• Retail Product Support
• Progress Reports Filed Monthly
• Upgrades a regular occurrence
• Outage Management System• Switching • Processing Service Orders• Meter Reading• Alarms (tampering)• 15-minute data VEE
• REPs, TDUs, Vendor Testing
• Interoperability Events
• Trial and Error
Comparison of Deployments
*Center Point requested to accelerate its deployment in its AMS Reconciliation as part of its rate case in Docket No. 38339, Application of Center Point Energy Houston Electric, LLC for Authority to Change Rates.
** AEP TCC residential surcharge is $3.15 during the first two years, $2.89 during the next two years, and $2.26 for the remainder of the surcharge period.
*** AEP TNC Residential surcharge is $3.15 for the first two years, $2.27 during the next two years, and $2.35 for the remainder of the surcharge period.
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Low Income Customers
The commission has approved the expenditure by utilities to provide in home devices to eligible low-income customers for free Recent study by DOE reported that 7 out of 10 people expressed “high
interest” in a unit that keeps them apprised of their energy use as well as dynamic pricing.
Low Income customers in Texas are defined by Commission rules: An electric customer, whose household income is not
more than 125% of the federal poverty guidelines, or who receives food stamps from the Texas Department of Human Services (TDHS) or medical assistance from a state agency administering a part of the medical assistance program
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Commission Approved Expenditures
Approval for TDUs: Center Point Energy – up to $7.5 million AEP-Texas – $1 Million Uncork Electric Delivery - $10 Million TNMP - will be added in at a future date
Expenditures include: The in-home device, distribution and education
related to operation and installation
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Smart Meter Data provided in a 15-minute, day after basis 300 Million data points per day (3 million customers / 15-minute data in June
2011) Service for Customers, REPs, 3rd Parties Standard tool for all Utilities in ERCOT – different vendors, 1 format for data files Joining of In Home Devices for Customers, REPs, and 3rd Parties 9
SMART METER TEXAS™
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Current Statistics• 3,587,458 ESI IDs• 18,634 Residential
Customers• 271 Non-Residential
Customers• 2,547 Home-Area-
Network (HAN) Devices• 57+ REP Entities • ~2.5 TB per Month• 7 Years of Historical Information
Access & Controls• Meter Interval Usage• HAN SEP 1.0 Messages• Meter Attributes• Customer Premise Info• Meter Provisioning
Energy Management• Demand Response• Settlement• Pricing• Text Messaging• Presentment
Retail Products & Services
In Home Devices are being installed in customers homes today: Champion Energy Direct Energy TXU Energy Reliant Energy 500 IHD rollout – CNP 500 IHD rollout – Uncork
Usage Insights services Time of Use Rate Plans Electric Vehicles
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• Retail Services provided remotely (avoid truck roll)– Switching from REP to
REP– Disconnection, and
Reconnection of Service• 3rd Parties– Customers in Texas can
authorize a 3rd Party to have their 15-minute data
– Plan to finalize business rules in 2011
REP Products Snapshot Green Mountain Time of Use Pilot Direct Energy:
Pay As You Go, Web Portal, Home Energy Monitor, Appliance Pilot (Whirlpool)
TXU Energy: Weekly Usage Email, Web Portal, Time of Use Rate Plan, In
Home Display and Thermostats Reliant Energy:
Weekly Summary Email, Web Portal, I Google Gadget, Time of Use Rate Plan, SMS Alerts, In Home Monitors, Mobile App
Prepaid Services – smart meter enabled More than 11 REPs offering services using smart meters
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