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Demand-Side Management: Part of a Regional Water Supply Plan. Dave Bracciano Blue Spring Working Group Deland, Fl September 9, 2010. Highlights of Presentation. Agency background Historical conservation goal development & role Status of existing plan update Outstanding issues.

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demand side management part of a regional water supply plan

Demand-Side Management: Part of a Regional Water Supply Plan

Dave Bracciano

Blue Spring Working Group

Deland, Fl

September 9, 2010

highlights of presentation
Highlights of Presentation

Agency background

Historical conservation goal development & role

Status of existing plan update

Outstanding issues

tampa bay water background
Tampa Bay Water-Background
  • Regional water wholesaler serving 6 Member Governments in the Tampa Bay region
  • Growing population?
    • 2.4 million people served
  • Member demand ?
    • Averaged about 240 mgd
    • 2009 229 mgd 2010 222 mgd
    • Economy creating supply paradigm
tampa bay water
Tampa Bay Water
  • Mission
    • To provide our members with reliable supplies of high-quality water to meet the area’s present and future needs in an economically and environmentally sound manner.
generally why create goals and implementation strategies
Generally Why Create Goals and Implementation Strategies?
  • Permitting requirements
  • Lower future average demand increases
  • Reduce current demand
  • Lower peak demands
  • Environmental impacts/sustainability
tampa bay water s historical conservation goals
Tampa Bay Water’s Historical Conservation Goals
  • Master Water Plan Adopted December 1995 with conservation goals
  • Demand Management Plan, 1997
  • Demand management program developed in 1998 (based on use of best management practices)
  • Partnership Agreement with SWFWMD and Members adopted in 1998
  • Compile member five year conservation plans, 1999 to date (annually)
long term water supply plan
Long-term Water Supply Plan

Protect Current Supply – source water protection

Regional Reclaimed Water Planning

Develop Future Supply – 7 water supply projects selected

Conserve Current Supply - Demand Management Plan update

water shortage response versus long term water use efficiency
Water shortage response versus long-term water use efficiency
  • Water shortage management
    • Tampa Bay Water’s Water Shortage Mitigation Plan (WSMP)
    • Member government actions
    • District “orders”
  • Long term water use efficiency
    • Regional Demand Management Plan
    • Master Water Planning Process
members have embraced conservation
Members have embraced conservation
  • Wide range of options have been implemented
  • Estimated 26 mgd of potable demand offset between 1996-2009
  • Savings to-date establish baseline for DMP
regional demand management benefits
Regional demand management benefits
  • Future supply needs can be met through new supply projects and/or conserved water
  • Conserved water has economic benefits
    • 1 mgd saved = $10m capital cost deferment
    • 1 yr. deferral of $100m capital project saves $5m in interest
  • Avoided cost for energy and chemicals
integrated water supply planning includes water use efficiency
Integrated water supply planning includes water use efficiency

Identify and evaluate regional water conservation potential

Integrate demand management into water supply planning process

Explore implementation options

Seek Board direction and policy guidance

Existing and Potential Supply Portfolio

Existing and Potential Efficiency Portfolio

Decisions and Policy

Demand Forecast

Master Water

Plan

other major water suppliers have successfully used this approach
Other major water suppliers have successfully used this approach
  • East Bay Municipal Utility District
  • Seattle Public Utilities
  • New York City
  • Metropolitan Water District of Southern California
  • Southern Nevada Water Authority
  • City of Austin Public Utilities
conservation projects will be integrated into the project selection process
Conservation projects will be integrated into the project selection process

Conservation

Projects

Supply

Projects

Master Water

Plan Update

Project development

System Configuration III

Board selects projects

integrated planning approach supports apples to apples comparison of alternatives
Integrated planning approach supports apples-to-apples comparison of alternatives

Evaluation Criteria

  • Selected conservation projects must be:
    • Proven technology
    • Measurable (cost, reliability, reach, etc.)
    • Capable of deferring capital expenditure (reliable)

Environmental

Stewardship

Cost

Reliability

Water Supply

Option 1

Conservation

Option 2

Water Supply

Option 3

principal work assignments
Principal Work Assignments

Project Management and Meetings

Conduct Regional Baseline Water Demand Profile

Identify and Evaluate Demand Side Management Alternatives

Formulate and Assess Alternative DSM Strategies

Formalize Program Recommendations

project tasks
Project Tasks
  • Establish regional water demand profile
    • water use patterns and “end-use” analysis
    • evaluate “market” for conservation technology
    • estimate savings
  • Identify conservation alternatives
    • literature review
    • establish evaluation criteria and metrics
    • evaluate and rank alternatives
project tasks cont
Project Tasks cont.
  • Formulate and assess conservation program alternatives
    • estimate cost-effectiveness
    • develop implementation and water savings scenarios
    • recommend strategies
  • Program recommendations
    • develop regional goals
    • implementation strategies
    • monitoring and evaluation
    • prepare demand management document
what do i think we ll see in the crystal ball
What Do I Think We’ll See in the Crystal Ball?

Considerable conservation technologies installed-actual savings not well quantified?

Passive programs (technology/stds.) save water in new growth and retrofits?

Additional demand management available all sectors and is cost effective?

Increasing outdoor water use efficiency can increase reliability of supply?

board input will be needed throughout project
Board input will be needed throughout project

Adopt demand

management plan

Avoided supply

analysis results

Conservation strategies and goal development

2010

2011

2012

Task Description

Q1

Q2

Q3

Q4

Q1

Q2

Q3

Q4

Q1

Q2

Q3

Q4

Project Management

and Meetings

Conduct Regional Baseline

Water Demand

Indentify and Evaluate Demand Side

Management Alternatives

Formulate and Assess Alternative

DSM Strategies

Formalize Program

Recommendations

questions

Questions?

dbracciano@tampabaywater.org

www.tampabaywater.org