FIRST QUARTER 2011, VOLUME 97, NUMBER 1
David J. Toombs, General Manager,
4 President’s Message
Robert P. Thornton, President,
International District Energy
38 Campus Conference Preview
46 Industry News
65 Middle East Industry News
12 Paving the Way: Seattle Steam’s road to renewable energy
Stan Gent, President and Chief Executive Officer, Seattle Steam Co.
Seattle Steam is taking advantage of abundant local biomass resources to provide thermal
energy for the city’s future. By utilizing waste wood as its primary fuel, the company expects
to reduce annual carbon emissions by 60 percent and set an example that it hopes others
66 People in the News
69 From a Legal Perspective
The ABCs of RECs
Alan I. Robbins, Attorney,
Jennings Strouss & Salmon PLC
71 LEED® + District Energy
What to Do With My CFCs?
Tim Griffin, PE, LEED AP,
IDEA USGBC Liaison
7 University of Calgary Converts to Cogen:
New system slashes emissions amid building boom
Tom Phelps, PE, P.Eng., Principal, Stantec
A new cogeneration plant is a key component in the University’s ambitious plan to
reduce energy use by 30 percent over five years, even as the campus undertakes a
$1 billion expansion.
74 Inside Insights
What I Learned on My Trip
Steve Tredinnick, PE,
Vice President of Energy Services,
Syska Hennessy Group
19 System Optimization: Is fear holding us back?
Hemant R. Mehta, PE, President and Chief Executive Officer, WM Group Engineers PC
District cooling systems can realize significant cost savings without compromising reliability
through good detective work, effective system redesign and comprehensive training.
76 Members Speak Out
District Energy – A Solution Looking
for a Problem?
David W. Wade, PE, President,
RDA Engineering Inc.
79 Energy and Environmental Policy
Common Sense Climate Policy
Mark Spurr, IDEA Legislative Director
82 Customer Closeup
University of Miami Medical School
Goes Green with District Cooling,
23 Making Efficiency Pay: UT Austin upgrades chiller plant, controls
Jim Hanna, Cofounder and Chief Technology Officer, Optimum Energy LLC;
Kevin Kuretich, PE, Associate Director of Plant Operations, The University of Texas
HVAC optimization software enables plant personnel to continuously measure real-time
performance and detect system faults immediately, delivering substantial savings in
83 Meet Our Advertisers
84 Calendar of Events/
Dates to Remember
29 Prioritizing Boiler and Piping Inspections:
Risk-based approach enhances system reliability
Joe Maciejczyk, PE, Associate, Structural Integrity Associates
A risk-based inspection program can enhance safety and reliability while providing knowledge
to help system operators make more informed decisions.
ON THE COVER: Conveyors move
woody biomass from Seattle Steam’s
storage facility to the new biomass boiler
that serves its downtown district heating
system. Photo credit: Chris Landry
35 2010 International District Cooling Conference:
Supporting greener buildings and a smarter grid
Qatar Cool was the Principal Sponsor and Host for the fifth annual conference focused on
designing, building and operating large-scale district cooling systems.
District Energy / First Quarter 2011 1