Foreword 7"s8G 7
The international Energy Agency (IEA) founded in November 1974, is an autonomous body JXk<t5@D
within the framework of the Organisation for Economic Co-operation and Development >f-*D25f%
(OECD) which carries out a comprehensive programme of energy co-operation among its 23 0`
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member countries. The European Commission also participates in the work of the Agency. ?f4jqF~Fh
The IEA PhotoVoltaic Power Systems Programme (PVPS) is one of the collaborative R&D 1 2J#}|
agreements established within the IEA, and since 1993, its Participants have been conducting a N\W4LO6
variety of joint projects in the applications of Photovoltaic conversion of solar energy into k?qd
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electricity. Or"+d 5
The Overall programme is headed by an Executive Committee composed of one representative zi= gOm
from each participating country, while the management of individual research projects (Tasks) s#%P 9A
is the responsibility of Operating Agents. Currently nine Tasks have been established in the SEsLJ?Dv0
IEA PVPS programme. ,]Q
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The Twenty one members are: Australia (AUS), Austria (AUT), Canada (CAN), Denmark &ngG_y8}&
(DNK), European Commission, Finland (FIN), France (FRA), Germany (DEU), Israel (ISR), nYts[f9e
Italy (ITA), Japan (JPN), Korea (KOR), Mexico (MEX), The Netherlands (NLD), Norway Y!fgc<]'&
(NOR), Portugal (PRT), Spain (ESP), Sweden (SWE), Switzerland (CHE), The United 4=7h1qe x
Kingdom (GBR), and The United States (USA). N)o/}@]6
Task III of the PVPS programme, active since 1993, focuses on the exchange of information, sX|bp)Nw
quality assurance and technical surveys on stand alone PV applications. Stand-alone PV &v. Nj9{zi
systems will continue to represent a significant PV market segment, not only in developing Gu5%P ou
countries, but also in the important home markets of industrial countries. Experts from 15 IEA (cd tUE 8
countries are sharing their experiences in this area. d <Rv~F@
This battery guide is intended for a wide use also close to the end customers to increase the v)-:0 f
hands on battery knowledge and thereby increase the system reliability and reduce the lifecycle wSIfqf+y
cost for battery storage in small stand alone photovoltaic systems. Also some basic aT20F EZ;
environmental concerns are addressed. The report has been prepared under the supervision of q
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Task III by:
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Bo Andersson, Catella Generics, (battery expertise) (SWE) K4j2xSGeo
Staffan Ulvönäs, (illustrations) (SWE) tP0!TkTo9
Bengt Perers, Vattenfall Utveckling AB (PV system and applications expertise) (SWE) {B)-+0 6
06 December 1999
