Foreword q2F `q. j
The international Energy Agency (IEA) founded in November 1974, is an autonomous body 2o9B >f&g
within the framework of the Organisation for Economic Co-operation and Development 8a@k6OZ
(OECD) which carries out a comprehensive programme of energy co-operation among its 23 Z5oDj|&l}
member countries. The European Commission also participates in the work of the Agency. d0}(d Gl
The IEA PhotoVoltaic Power Systems Programme (PVPS) is one of the collaborative R&D {[:C_Up)f
agreements established within the IEA, and since 1993, its Participants have been conducting a At[Q0'jkc
variety of joint projects in the applications of Photovoltaic conversion of solar energy into aaf}AIL.
electricity. NwOV2E6@OW
The Overall programme is headed by an Executive Committee composed of one representative ha;fxM]
from each participating country, while the management of individual research projects (Tasks) fQ1j@{X a
is the responsibility of Operating Agents. Currently nine Tasks have been established in the T <>B5G~%
IEA PVPS programme. (x/:j*`K
The Twenty one members are: Australia (AUS), Austria (AUT), Canada (CAN), Denmark wXp:XZ :]T
(DNK), European Commission, Finland (FIN), France (FRA), Germany (DEU), Israel (ISR), ;p~!('{P
Italy (ITA), Japan (JPN), Korea (KOR), Mexico (MEX), The Netherlands (NLD), Norway `WCL-OoZc5
(NOR), Portugal (PRT), Spain (ESP), Sweden (SWE), Switzerland (CHE), The United t\QLj&h}E
Kingdom (GBR), and The United States (USA). ?mC'ZYQI
Task III of the PVPS programme, active since 1993, focuses on the exchange of information, urkuG4cY
quality assurance and technical surveys on stand alone PV applications. Stand-alone PV ;*zLf 9i
systems will continue to represent a significant PV market segment, not only in developing IQC [ewk
countries, but also in the important home markets of industrial countries. Experts from 15 IEA -Wmb
M]Z
countries are sharing their experiences in this area. [ /*;}NUv
This battery guide is intended for a wide use also close to the end customers to increase the E(6P% (yt8
hands on battery knowledge and thereby increase the system reliability and reduce the lifecycle xc @$z* w
cost for battery storage in small stand alone photovoltaic systems. Also some basic q$yg^:]2
environmental concerns are addressed. The report has been prepared under the supervision of >Ho=L)u
Task III by: v4E=) ?
Bo Andersson, Catella Generics, (battery expertise) (SWE) t 3N}):
Staffan Ulvönäs, (illustrations) (SWE) 8;"%x|iBoL
Bengt Perers, Vattenfall Utveckling AB (PV system and applications expertise) (SWE) ; xw9#.d#D
06 December 1999
