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Task Background
In the IEA PVPS Task 7 Activity 2.5 "PV/T-systems" a comprehensive
inventory of known manufacturers and projects was compiled and a short
draft working document was set up describing the state of the art on the
field. One objective of this activity was to evaluate these systems and
to give guidance on the design of PV/Thermal systems for the built
environment, but quickly it was clear that there was a strong need to
liase with the expertise of the SHC-programme on evaluation of thermal
systems, experience on materials, integration issues etc.
On a workshop chaired by Mr. Erik Lysen (NL) in September 1999, where
the experts from the SHC and from PVPS got together, it was agreed to
initiate a Joint Working Group between the two implementing agreement.
Joint Working Group - Kick-off meeting in Copenhagen, June 2000
Henrik Sørensen, Esbensen Consulting, DK, activity leader of IEA PVPS
Task 7 activity 2.5 on PV/T-collectors was asked to initiate the Joint
Working Group and organise the first meeting in Copenhagen in connection
to the Eurosun2000 conference in June 2000.
Agenda for the meeting can be downloaded below:
Minutes from the meeting can be downloaded from the links below:
Objectives of the Joint Working Group
The basic activities listed for the Joint Working Group was:
- Set up the necessary definitions and methodologies for
evaluation of PV/T-systems, both re. thermal and electrical output
and efficiency
- Provide an overview of all activities going on nationally on the
field of PV/T
- Carry out technical and economical evaluations of existing
systems and projects
- Evaluate the potential for increased use of PV/T-systems in the
IEA member countries
- Identify the barriers of increased use of PV/T and possible ways
to overcome these
- Provide results directly addressed to designers, manufacturers
and researchers involved in the design of PV/T systems.
Joint Working Group - Rapperswil, Switzerland, October
2000
The purpose of this meeting was to follow up on actions decided on the
kick-off meeting in Copenhagen, to prioritise the suggested topics for
the work plan, organise the work in specific actions and to identify
possible action leaders. Invitation with agenda for the meeting can be
downloaded below:
Work Plan & Documents from joint working group
Road Map:
A Road Map is set op in a format suited to describe the necessary
development in short, medium and long term, in order to reach the final
goal: market ready products with cost-effective performance. The major
headings for each period are:
- Long term (7-10 years):
- Commercial PV/T systems to the end-user market
- Medium term (3-7 years):
- Develop and disseminate methods and design tools
- Start market introduction of systems, which can compete with
separate PV and thermal solar systems
- Short term (0-3 years):
- Provide road map for possible routes of development
- Catalyse information exchange to create new developments
- Definitions and test methos for performance rating
The first version of this Road map of the development of PV/Thermal
Solar Systems was discussed at 2. meeting of Joint Working Group -
Rapperswil, Switzerland, October 2000
The second version of the document has been edited based on the comments
received at the meeting in Rapperswil, and can be downloaded from the
link below:
This draft document is the basis for the draft workplan of the group,
see below. Comments and suggestions for improvement are very welcome -
Please address your contribution to the authors Frederik Leenders and
Henrik Sørensen.
Work Plan:
The work plan of the joint working group is basically a description of
how to "navigate" in the road map described above. The workplan will
list the specific tasks to be perfomed in order to register, analyse,
learn and disseminate information about PV/T-systems. Whereas the Road
Map identifies the route and the overall milestones, the Work Plan is
more detailed and specific regarding the expected achievements of each
activity. The primary headings in this work plan is listed below:
- Establish R&D Network
- Market Analysis
- Investigation of construction materials
- Test methodologies incl. performance rating
- Design specifications
- Design Tools
- Market introduction projects
- Demonstration projects
- Dissemination activities
Each of the tasks above will be described regarding effort,
methodology, outcome and dissemination. Furthermore it will be important
to identify the activity leaders and secure sufficient funding carrying
out the work.
Following Activities in the Joint Working Group
In connection with the semi-annual meetings of IEA PVPS Task 7 and
participation in various workshops and seminars, informal meetings was
arranged in order to co-ordinate the planning of the activities of the
joint working group with the results of activity 2.5. The contents of
the final report of the activity 2.5 has served as an important basis
for the more detailed planning of the work in the Joint Working Group.
Efforts to Form a New IEA SHC Task in this Field
During 2002 it became clear that the work to be carried out had a level
which would call for a full task to be realised. Due to the fact that
the primary theoretical and monitoring part would have to be based on
the expertise of the Solar Thermal community, a proposal for a new Task
within IEA Solar Heating and Cooling Implementing Agreement was set up.
A draft Annex text was presented during the SHC Exco meeting in New
Zealand, november 2003 and based on the decision at this meeting, a task
definition workshop was held in Copenhagen 25.-26. February 2004. Aim of
this meeting was to detail the working plan for the task based on
recommendations from all interested countries and experts involved in
the field of PV/Thermal Solar Systems. Based on the results and
recommendations of this meeting a work programme was presented at the
IEA SHC ExCo meeting in Finland 3.-5. April 2004 and the three year IEA
SHC Task 35 on PV/Thermal Solar Systems was approved.
Literature and Background Material
In the below relevant litteratur and background material is available:
Swiss report on a-Si PV/Thermal systems by LESO-PB/EPFL, Lausanne;
Enecolo AG, Mönchaltorf and Ernst Schweizer AG, Hedingen
Final report from IEA PVPS Task 7, activity 2.5 on PV/Thermal Solar
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