District Energy is an official publication of the International District Energy Association. Published quarterly since 1915.
Publisher
Robert P. Thornton
Executive Editor
Monica Westerlund
Technical Editor
Anthony Mirabella
Advertising Sales
Tanya Kozel
Art Director
Dick Garrison
Editorial Advisory Committee
Chris Asimakis
Enwave Energy Corporation
Ray DuBose
University of North Carolina at Chapel Hill
Joe Hoose
Cool Systems Inc.
Jack Kattner
Kattner Associates
Doug Maust
HGA Architecture Engineering Planning
Mike Nagel
University of Minnesota
Steve Spiwak
Nalco Company
David Woods
Energy Systems Company of Omaha
You may contact the publication at:
District Energy
125 Turnpike Road, Suite 4
Westborough, MA 01581-2841
(508) 366-9339
(508) 366-0019 fax
idea@districtenergy.org
Ex officio
Robert P. Thornton
Monica L. Westerlund
Legislative Director
Mark Spurr
Board of Directors
2005-2006
Executive Committee
Chair
CHERYL GOMEZ
University of Virginia
575 Alderman Road
P.O. Box 400726
Charlottesville, VA 22904-4726
(434) 982-5414
(434) 982-5894 fax
CLG9Y@Virginia.edu
Vice Chair
GARY RUGEL
Baltimore Aircoil Company
Global Thermal Storage
7595 Montevideo Road
Jessup, MD 21046
(410) 799-6237
(410) 799-6346 fax
grugel@baltimoreaircoil.com
Second Vice Chair
ROBERT SMITH
RMF Engineering, Inc.
190 West Ostend Street
Baltimore, MD 21230
(410) 576-0505
(410) 385-0327 fax
rdsmith@rmf.com
Secretary/Treasurer
TOM GUGLIELMI
NRG Thermal LLC
Suite 2600
80 S. 8th Street
Minneapolis, MN 55402
(612) 436-4106
(612) 349-6067 fax
tom.guglielmi@nrgenergy.com
At-Large
JUAN MANUEL ONTIVEROS
University of Texas at Austin
PO Drawer 7850
Austin, TX 78713
(512) 232-4191
(512) 471-3311 fax
juano@mail.utexas.edu
Past Chair
ANDERS RYDAKER
District Energy St. Paul
76 West Kellogg Blvd.
St. Paul, MN 55102-1611
(651) 297-8955
(651) 221-0353 fax
anders.rydaker@districtenergy.com
Board Members
GORDON APPERLEY
UBC Utilities
2040 West Mall, Room 114
Vancouver, BC V6T 1Z2
Canada
(604) 822-0971
(604) 822-8833 fax
gapperley@utilities.ubc.ca
KENNETH CLARK
Burns & McDonnell Engineering
Co., Inc.
9400 Ward Pkwy
Kansas City, MO 64114
(816) 822-3109
(816) 822-3415 fax
kmclark@burnsmcd.com
SCOTT CLARK
Carter-Burgess, Inc.
777 Main Street
Ft. Worth, TX 76102-5323
(817) 735-6038
(817) 735-6148 fax
scott.clark@c-b.com
JOHNATHAN COLEMAN
Solar Turbines Incorporated
600 E Crescent Avenue
Suite 305
Upper Saddle River, NJ 07458
(201) 825-8200
(201) 825-8454 fax
jcoleman@solarturbines.com
W. LYNN CRAWFORD
Carter-Burgess, Inc.
55 Waugh Drive Suite 800
Houston, TX 77219-1487
713-803-2172
(713) 869-2556 fax
lynn.crawford@c-b.com
DENNIS FOTINOS
Enwave Energy Corporation
181 University Ave, Ste 1710
Toronto, Ontario M5H 3M7
Canada
(416) 392-6842
(416) 338-8925 fax
dfotinos@enwave.com
DAVID LEACH
Thermal Science Technologies LLC
7526-R Connelley Drive
Hanover, MD 21076-1600
(877) 266-3834
(410) 760-002 fax
David@thermalsciencetech.com
JIM LODGE
Northwind Phoenix
PO Box 53901 MS 103
400 E. Van Buren Street
Phoenix, AZ 85072-3901
(602) 744-5030
(602) 744-5136 fax
jlodge@northwindphx.com
P. FERMAN MILSTER
University of Iowa Power Plant
207 Burlington Street West
Iowa City, IA 52242-1523
(319) 335-5132
(319) 335-6082 fax
ferman-milster@uiowa.edu
RICHARD J. PUCAK
Akron Thermal LP
226 Opportunity Parkway
Akron, OH 44307
(330) 374-0600
(330) 374-0202 fax
rpucak@aol.com
DANY JOSEPH SAFI
National Central Cooling Co.
“Tabreed”
Abu Dhabi Mall, West Tower
13th Floor PO Box 29478
Abu Dhabi, UAE
+971 2 6455007
+971 2 6455008 fax
dsafi@tabreed.com
STEVE SPIWAK
Nalco Company
1601 West Diehl Road
Naperville, IL 60563
(630) 305-1419
(630) 305-2991 fax
sspiwak@nalco.com
MIKE R. THOMPSON
The Trane Co
3600 Pammel Creek Road
LaCrosse, WI 54601
(608) 787-4634
(608) 787-2204 fax
mthompson@trane.com
WILLIAM VERGE
University of Michigan
1110 E. Huron
Ann Arbor, MI 48104
(734) 936-4219
(734) 647-0967 fax
bverge@umich.edu
District Energy (ISSN 1077-6222) is published quarterly by the International District Energy Association, IDEA was founded in 1909. Its purpose is to foster the success of its members as leaders in providing
125 Turnpike Road, Suite 4, Westborough, MA 01581-2841. Phone: (508) 366-9339. Home page: reliable, economical, efficient and environmentally sound district energy services. The association’s
http://www.districtenergy.org. membership consists of representatives from utilities, municipalities, universities, hospitals, military bases,
airports, industrial parks and other physical plant systems engaged in supplying thermal energy in the
Yearly non-member subscription price: $50 USA; all international $75. Single copy: $15 and $20 form of steam, hot water and/or chilled water for heating, cooling and process uses. It also represents
respectively. Forty dollars of all membership dues are allocated to subscriptions. Periodical postage, engineers; architects; financial, legal, and management consultants; and manufacturers who supply
USPS No. 158-240, paid at Minneapolis, Minn., and at Westborough, Mass. Postmaster: Send address services and equipment for community energy systems.
changes to District Energy, International District Energy Association, 125 Turnpike Road, Suite 4,
Westborough, MA 01581-2841. Copyright © 2006 by the International District Energy Association. All rights reserved. Articles appearing
in District Energy may not be reproduced in whole or in part in any other publication without the
Statements and opinions advanced in articles are to be understood as the individual expressions of permission of the publisher. District Energy is indexed by Engineering Index Inc.
the authors and are not necessarily those of District Energy or the International District Energy Association.
