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“A Water and Wastewater
Utility Guide to
More Sustainable
Energy Management”
Presented by
Peter V. Cavagnaro, P.E., BCEE
Johnson Controls, Inc.
Prepared by
Alicia Chakrabarti, P.E.East Bay MUD
Barry Liner, PhD, P.E.Water Environment Federation
MWEAJune 24, 2013
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Change our Mind(set)
• WEF believes that wastewater treatment
plants are NOT waste disposal facilities, but
rather water resource recovery facilities that
produce clean water, recover nutrients (such as phosphorus and nitrogen), and have
the potential to reduce the nation’s
dependence upon fossil fuel through the
production and use of renewable energy.
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Energy Summit
• Raleigh, NC
• March 28-29, 2012
• 30 invited participants from the water and power industries
• Outcome
– Energy Roadmap
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Energy Roadmap Purpose
• To help utility
managers effectively
plan and implement
efforts to enhance
energy sustainability
• Build off of the wealth
of existing
information
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Energy Roadmap Structure
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Energy Management Matrices
The core of The Energy Roadmap
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ENABLE OPTIMIZEINTEGRATE
Strategic
Management
Organizational Culture
Communication
and Outreach
Demand Side Management
Energy Generation
Innovating for the
Future
Six Topic Areas
with
Three Levels of
Progression
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ENABLE OPTIMIZEINTEGRATE
Strategic
Management
Organizational Culture
Communication
and Outreach
Demand Side Management
Energy Generation
Innovating for the
Future
Each Spot on the
matrix contains content
developed during the
Energy Summit and
explained in the
guidance document
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The Energy Roadmap Matrix
ENABLE OPTIMIZEINTEGRATE
Strategic
Management
Organizational Culture
Communication
and Outreach
Demand Side
Management
Energy Generation
Innovating for the
Future
Develop
strategy
Develop
message
Continuously
evolve efforts
Evaluate
existing
Research,
partner, mitigate
Full-scale
solutions
Understand
baseline
Detailed
evaluation
Implement
changes
Develop
goal/strategyImplement
generation
Maximize value
Set goal Gather support Prioritize and
implement
Develop
vision, TeamCommunicate,
take action
Empower Team
and staff
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Prioritization of Activities
DSM
OC
C&O
SM
EG
IF
Strategic Mgmt
Org. Culture
Comm. & Outreach
Demand Side Mgmt
Energy Generation
Innovating for Future
Level of Importance
Level
of
Ach
ievem
en
t
Enable
Integrate
Optimize
Low Med High
HIGHEST
PRIORITY
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STRATEGIC MANAGEMENT
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Strategic Management
Strategic Direction ● Financial Viability ●
Collaborative Partnerships ● Towards Carbon Neutrality
Possible Goals
•75% energy produced onsite
•20% energy conservation •90% energy from renewables
•50% employees on public transportationTime
En
erg
y U
se
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ORGANIZATIONAL CULTURE
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Organizational Culture
ENERGY VISION
STRATEGIC PLAN
Elected Officials
Staff Staff Staff Staff Staff StaffPERFORMANCE
PLANS
Utility Leadership Group/Management
Energy Vision ● Energy Team ●Staff Development & Alignment
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Organizational Culture
Energy Vision ● Energy Team ●
Staff Development & Alignment
Energy
ChampionRegulatory
Compliance
Maintenance
Staff
Planning Staff
Engineering
Staff
Operations
Staff
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Organizational Culture
• Training
– Understanding electricity ≠ understanding energy
management
– Energy billing, peak demand
– Lifecycle cost analyses
• Industry Information Sharing
• Rewarding Conservation Incentives
Energy Vision ● Energy Team ●
Staff Development & Alignment
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COMMUNICATION AND OUTREACH
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Communication and Outreach
• Identify target
stakeholders
• Tailor the approach
• Evolve and grow efforts
Customers and Community ● Regulatory and
Legislative ● Media Outreach ● Environmental
Advocacy Groups ● Water Sector
Tips:
• Be proactive and create the story
• Emphasize the project benefits (stakeholder specific)
• Share lessons learned within the sector
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DEMAND SIDE MANAGEMENT
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Demand Side Management
• Review Data– 2 years of bills
• Analyze Costs– Energy charges
– Demand charges
– Rate structure
• Make Changes– Rate structure
– Shift loads
Electricity Costs and Billing ● Power Measurement &
Control ● Energy Management ● Source Control
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Demand Side Management
• Analyze Baseline
Energy Use
• Benchmarking by
Process
• Real-time control
Electricity Costs and Billing ● Power Measurement &
Control ● Energy Management ● Source Control
Other (1%)Primary (3%)
Pumping
(15%)
Solids Handling (8%)
Lighting &
Buildings
(10%)
Anaerobic
Digestion
(12%)
Activated
Sludge
(51%)
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Demand Side Management
• Energy Audit
• Implement Changes
• Incorporate Energy
into Future Designs
Electricity Costs and Billing ● Power Measurement &
Control ● Energy Management ● Source Control
Reduce Energy Use of Key Equipment By:
� Shutting down
� Operate part time
� Operate with variable speed
� Operate at lower flows
� Operate at lower pressures
� Replace with more efficient equipment
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Demand Side Management
• Understand Influent Loading
• Manage Loads to Reduce Energy Use– Reduce Inflow/Infiltration
– Industrial surcharges
• Manage Loads for Energy Production– Incentives for trucked high-strength
waste
Electricity Costs and Billing ● Power Measurement &
Control ● Energy Management ● Source Control
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ENERGY GENERATION
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Energy Generation
• Set a Production Goal
• Gain Support
• Grow Program
Strategy ● Energy from Water & Wastewater ●
Supplemental Energy Sources ● Renewable Energy Certificates
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Energy Generation
Strategy ● Energy from Water & Wastewater ●
Supplemental Energy Sources ● Renewable Energy Certificates
• Hydroelectric power
• Biogas
• Thermal
energy
• Emerging
technologies
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Energy Generation
Strategy ● Energy from Water & Wastewater ●
Supplemental Energy Sources ● Renewable Energy Certificates
• Co-digestion
• Solar
• Wind
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Energy Generation
• Renewable Portfolio Standard
• Renewable Energy Certificates
– Purchased
– Sold
• Increasingly Significant Value
Strategy ● Energy from Water & Wastewater ●
Supplemental Energy Sources ● Renewable Energy Certificates
33% by 2020
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INNOVATING FOR THE FUTURE
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Innovating for the Future
• Understand Existing
• Perform Research
– In house
– Collaborative
• Trial New Technologies
Research & Development ● Risk Management ●
Alternative Technologies ● Alt. Management Approaches
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Innovating for the Future
• Identify Risks
– Technology
– Financial
– Regulatory
– Market
Research & Development ● Risk Management ●
Alternative Technologies ● Alt. Management Approaches
• Mitigate Risks
– Pilot testing
– Developers expense
– Permitting flexibility
– Predicting energy costs
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Innovating for the Future
Research & Development ● Risk Management ●
Alternative Technologies ● Alt. Management Approaches
Treatment Energy Generation
Example: Microbial Fuel Cell Example: Biofuels from FOG or biosolids
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Guidance Document
Presents Guidance for all water and wastewater utilities
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Detailed discussion on each topic area with
CHECK
LISTS
TESTED
IDEAS
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Case Studies
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Support
eLearning
An eLearning course scheduled to be
released on June 24th
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For more information…
1. Download the Roadmap Matrix
http://www.wef.org/AWK/pages_cs.aspx?id=568
2. Buy the Book (www.e-wef.org)
3. Attend eLearning Course
4. Look for a Workshop at WEFTEC 2013
5. Contact:
Alicia Chakrabarti
510-287-2059
Barry Liner, PhD
Water Science & Engineering Center
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Thank you
Peter V. Cavagnaro, P.E., BCEE
Project Development Consultant
Johnson Controls, Inc.
734-255-5523