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Electricity Storage and Demonstration of Renewable Energy Systems

Cel

Specific Objectives:

Battery Performance, Testing and Standards: Objectives: Verification of proposed drafts on test performance and test procedures for lead-acid batteries used in stand alone PV systems (solar home systems) as a pre-condition for their acceptance as international standards. Solar Home Systems: Methods and Standards: Objectives: Confirmation of the System Balance Point as a parameter to measure the energy rating of SHSs by comparing the indoor and outdoor test performance. Renewable Energy Systems Demonstration: Objectives: Construction of small demonstrator using RE and reverse-osmosis for drinking water production. This objective supports the development of arid areas in Member States and Candidate Countries. Analytical monitoring of PV-installations: Objectives: Continuation of our support role in the market penetration of PV systems by performing the analytical monitoring of DG TREN PV demonstration projects. Extension of this activity by proposing new/alternative means of monitoring. This objective also supports the penetration of PV in Member States and Candidate Countries. Anticipated milestones and schedule Milestones Schedule 1 1st Interim report on lifetime assessment of lead-acid batteries 30/06/2003 2 2nd Interim report on lifetime assessment of lead-acid batteries 15/12/2003 3 Draft proposal on test for battery assessment of SHS (own) 31/06/2003 4 Interim report on battery assessment for SHS 30/10/2003 5 Interim test report on SHS outdoor tests 30/11/2003 6 Design of water-desalination demonstration system 30/11/2003 7 Reports on PV demonstration projects Continuously.
Planned Deliverables:
1.1 Lifetime assessment of lead-acid batteries using already proposed tests procedures
1.2 Test our own draft proposal for lifetime assessment of lead-acid batteries for SHS's application
2.1 Test report of six SHS in outdoor conditions calculating their System Balance Point and comparing them with the indoor test
3.1 A water-desalination demonstration system using photovoltaics and reverse-osmosis
4.1 Monthly-monitoring reports of DG TREN PV demonstration projects in close partnership with DG TREN and the management of the demonstration projects.
Summary of the Action:
This action addresses both the short-term storage and the mid- to long-term storage of electricity. The first goal addresses mainly grid-connected applications to increase the quality and availability of the grid power, as well as to smooth the fluctuation of renewable energy systems in a distributed electricity generation system. The second goal targets off-grid electrification applications (urban or rural) and seasonal storage. The present action also focuses on: Stand-alone Systems. It aims to increase the quality and reliability of Solar Home Systems to match the already very high ones of the photovoltaic modules as a means to increase customer acceptance and in turn renewable energy penetration. Renewable Energy Systems Demonstration. Aims at demonstrating the viability of renewable energy, above all in arid zones and remote islands where basic energy and water needs remain largely unfulfilled. Analytical monitoring of photovoltaic installations: Continuation of our support role in the market penetration of photovoltaic systems by performing the analytical monitoring of DG TREN demonstration projects.

Rationale:
The ambitious EU target of doubling the penetration of renewable energy in the European energy mix by 2010 requires the introduction of electricity storage devices. Electricity storage provides on one hand continuity of supply from an inherent intermittent energy source (i.e. wind, sun) and on the other it enables electricity power levelling over time. Furthermore, nearly half of the world population still does not have access to electricity and is unlikely to get it in the near future as the creation of a centralised electricity distribution (electrical grid) is beyond the budgetary capabilities of developing countries. Photovoltaics have the capability of bringing electricity to this population by the use of stand-alone systems, the so-called Solar Home Systems (SHS). The core of a SHS is the battery that allows to delay the use of the electricity from the production period (over daylight hours) to the consumption period (normally during the evening). Today, SHS is the world's most widespread photovoltaic application and the battery their weakest component. Electricity storage will become a bigger proportion of the cost of photovoltaic systems as the modules get cheaper. Therefore, to reduce the cost impact of the electricity storage, a longer lifetime and improved quality is needed.

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Koordynator

Institute for Environment and Sustainability
Wkład UE
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Adres
Via E. Fermi 1
21020 Ispra
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