SOLAR INNOVATIONS '96

Conference Proceedings

1ST INTERNATIONAL WORKSHOP

ON RESIDENTIAL SOLAR WATER

HEATING AND UTILITIES

5 - 7 June 1996 • Toronto

IINTERNATIONAL ENERGY AGENCYSolar Heating & Cooling Programme

organized by

Natural Resources Canadain cooperation with International Energy Agency

Conference Proceedings

SOLAR INNOVATIONS '96

TABLE OF CONTENTS

Introduction

INTERNATIONAL ENERGY AGENCY PROJECTS

Results of IEA Task 14 SDHW Working GroupBill Duff, Colorado State University

EUROPEAN COMMUNITIES PROJECTS

Sun in Action - An EU Assessment of Global Solar Thermal MarketsTeun Bokhoven, ESIF, The Netherlands \

AUSTRALIA

Solar Thermal Energy Use in AustraliaGraham Morrison, University of New South Wales, Australia

Marketing SDHW in Australia and InternationallyMai Hayes, Solahart Industries, Australia ?

AUSTRIA

Solar Energy Use in the Building Sector :

Gerhard Faninger, Austrian Research Centre Seiberdorf, Austria

CANADA

Introduction to the DHW Market in CanadaDoug McClenahan, Natural Resources Canada, Canada

A P e r s p e c t i v e o n R e s i d e n t i a l S o l a r W a t e r H e a t i n g i n C a n a d a . . . . . . .Bob Swartman, Canadian Solar Industries Association, Canada

Tank Design and Manufacturing in North AmericaPeter Reynolds, Rheem Canada, Canada

. . . 1

1

. .21

,39

49

63

89

99

,101

Thermal Evaluation of Compact Heat Exchangers in a NaturalConvection Application j \j

Steve Harrison, Solar Calorimetry Lab, Queen s University, Canada

Innovative Pump Design for Low Flow SDHW 129Anthony Coffell, Negentropy, Canada

Design and Benefits of Insulated Tubing Bundles 135. Alfred Brunger, University of Waterloo, Canada

Modelling Capabilities and Limitations 139Dtdier Thevenard, University of Waterloo, Canada ••••

Residential Water Heating Market in Ontario 153Ian Cameron, London Hydro, Canada

Results of the S-2000 Solar Pilot Projects in Canada 171Allen Carpenter, Natural Resources Canada, Canada \

London Hydro's Residential Solar Water Heating Initiative 191Mike Noble, London Hydro, Canada

RETs Customer Programs at Ontario Hydro 201Wayne Ruhnke, Ontario Hydro, Canada

DENMARK

Danish SDHW Technology; Current Technology and Future 229Simon Furbo, Technical University of Denmark, Denmark

;New Copper Solar Absorber Strip . . . j 251Emanuel Brender, Batec AJS, Denmark

Marketing of Solar Water Heaters in Denmark 259Emanuel Brender, Batec AJS, Denmark

THE NETHERLANDS

Solar Water Heaters in The Netherlands; Developments and Policy . .267Aart de Geus, TNO Building and Construction Research, The Netherlands

Utility and Project Approach Towards DHW ;. 279Cees Wiezer, EMH, The Netherlands '

SWEDEN

Solar Water Heating Technology in Sweden . .289Bengt-Olov Johansson, Swedish Solar Energy Association, Sweden

Small Spiral Tube Heat Exchangers 301Chris Bales, SERC, Dalarna University College, Sweden

UNITED STATES

Solar Water Heating Technology in the United States of America . . . .309Tim Merrigan, Florida Solar Energy Center, University of Central Florida, USA

A New Evacuated Collector .325Bill Duff, Colorado State University, U.S.A. ' '.

USH2O: Capturing ESCO Opportunities in Utility SolarWater Heating Programs 343

Chip Bircher, Wisconsin Public Service Corporation, USA

Use of TRNSYS to Evaluate Impact of SDHW oh Utilities . .361William Beckman, University of Wisconsin - Madison, U.S.A

The Sacramento Municipal Utility District Solar Domestic HotWater Program . . 379

CliffMurley, SMUD,]USA. , ""l ' '

SPAIN

Solar Thermal Promotion Program in Andalusia; „„. .401i Carmen Granados, INTA, Spain

APPENDIX

Delegates' List. ; . . . ; .;. .423