11 rate design to complement ami implementation in danville, virginia presentation by denise sandlin...
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Rate Design to Complement AMI Implementation in Danville,
VirginiaPresentation byDenise Sandlin
Support Services DirectorDanville, VA
APPA 2009 Business & Finance ConferenceDecision-Making on Advance Metering Infrastructure
(AMI)Tuesday, September 15, 8:30 – 10:00 a.m.
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Introducing Danville, Virginia
Web Siteshttp://www.danvilleutilities.com
http://ndanville.nethttp://www.danville-va.gov
http://www.discoverdanville.com
Size – City of Danville 44 sq. mi. Danville’s service area: 500 sq. mi.
History -- Founded in 1793, incorporated in 1830, initially a tobacco & textile manufacturing center
Government Structure -- Council-Manager
Municipal Utilities – Publicly owned and operated
Services -- Typical municipal utility services plus natural gas, electricity, and telecommunications
Location -- Southside Virginia on the Virginia – North Carolina border
Population -- 45,400; metro area 107,000
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What is AMI?
Advanced Metering Infrastructure (AMI) refers to systems that measure, collect and analyze energy usage, from advanced devices such as electricity meters, gas meters, and water meters through various communication media.
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Advanced Metering Infrastructure (AMI) Benefits
Two-way communication with every customer enables• Remote meter reading• Home area networks
Remote connect/disconnect service switches More detailed data, more real time Newer, more accurate meters Financial Benefits Compliance Improvements Service Improvements Accurate outage assumptions Business development
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Danville’s AMI Deployment Objectives
18 - month deployment Replace all electric and water meters and gas
registers – 81,434 Build on our existing and planned fiber network. Support Danville’s future Smart Grid Provide benefits for Danville Utilities and its
customers Rate design strategies Comply with Danville’s adopted standards covered
under the Energy Act of 2005 and EISA 2007.
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Danville’s Meter Replacements
City County Total
Electric 24,448 20,131 44,579
Water 19,384 19,384
Gas 16,607 864 17,471
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City of Danville’s Meter Districts
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Adjacent County Meter Districts
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Benefits for Danville Utilities
At least 15 minute data from electric meters and hourly data from gas and water
Outage and restoration notifications for customers Voltage monitoring for sags and surges prior to a
customer complaint Reduced misread and hi/low bills New rate structures Improved system planning for distribution Tamper notification Reduced labor costs Remote disconnects and connects Improved safety for employees
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Benefits for Customers
Manage their own energy usage and costs New and improved customer service Help stabilize rates More accurate billing with the elimination of
estimated reads and data entry errors No need to access customer property Improved outage response time and information Offer new programs and services New payment options
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AMI System Investment
Total System Total City Rural
Estimated AMI Investment
$14,355,015 $11,007,597 $3,347,418
Less: One time Cash Flow Savings
(4,398,724) (2,507,047) (1,891,677)
Funding Requirement
$ 9,956,291 $ 8,500,550 $1,455,741
Annual Savings $ 2,728,481 $ 2,256,003 $ 472,478
Simple Payback Period (years)
3.6 3.8 3.1
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AMI SystemFinancing
Electric Water/WWT Gas
Total Cost $8,027,033 $4,700,441 $1,627,541
Contribution from Fund
$4,432,000 $ 300,000 $ 141,000
Debt Funding $3,595,033 $4,400,441 $1,486,541
Bond Term &Interest Rate
20 year 5.00%
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Summary of Rate Design Strategies
Reduce debt financing requirements based on one-time savings due to AMI
Reduce customer charges based on annual savings due to AMI
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AMI SystemOne-Time Savings
Cash Flow Advance (From a 10 to 2 day billing period)
$2,968,906
Bi-Monthly to Monthly Billing Cash Flow Advance 1,429,817
Total Estimated One-Time Savings $4,398,723
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AMI System Annual Savings
Unbilled Water and Energy Losses
$1,112,985
Theft 905,971
Meter Reading Labor 399,220
Service Switch Field Labor 310,305
Total Annual Savings $ 2,728,481
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Customer Charge Reduction
Customer charges due to AMI Savings
Water Customers Total Reduction is $3.00 per meter/month
Electric Customers Total Reduction is $3.20 per meter/month Phased-in implementation:
$1.00/$1.20 as of July 1, 2009 $1.00 as of January 1, 2010 $1.00 as of July 1, 2010
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Benefits of Customer Charge Reduction
Visible and tangible connection
Timing coincides with benefits
[Good Faith effort to our customers]
Solidified support for AMI project from
Danville Utility Commission and City Council
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Implications ofGoing Forward
Budget balancing• Funding and revenues will be lower• Need to realize AMI savings in the form of reduced costs
Data management Special rate design – e.g. time-of-use Customer communication
• In-home displays and Internet access
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Summary
Danville is making a big leap in technology and practices
These improvements allow the utilities to capture significant cost-savings
Cost-savings will be passed on to consumers through lower customer charges and other rates (due to lower debt service)
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Comments! Questions?
Denise SandlinSupport Services DirectorDanville Utilities1040 Monument StreetDanville, Virginia 24541Telephone: 434-799-6581e-mail: [email protected]
Our program report is available upon request