Welcome and Introduction

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Recording of Wednesday, June 19, 2024 | The smarter E Europe | Conference Program | Language: English | Duration: 5:51 .

Afternoon Session Focuses on Cost-Effective Solar Energy Storage Solutions with Multi-Stage Application Insights

The afternoon session focuses on storage, a critical component of solar systems due to its high cost. The speaker begins by highlighting the efficiency of producing solar electricity, which can be as low as two cents per kilowatt hour in sunny regions like Namibia and below five cents even in less sunny places such as Germany. However, storing this energy significantly raises costs—up to five times more—emphasizing the need for affordable storage solutions. The topic at hand is multi-stage, stand-alone applications—a trend moving electronics from copper and iron towards silicon-based components resulting in fewer coils and transformers but more switches (like MOSFETs) and microprocessors. In research, Thilo's group employs multistage principles primarily for charge controllers managing overcharging, discharging, balancing various modern batteries like sodium-ion batteries that have wide voltage ranges challenging both power source adaptation and load management.

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Prof. Dipl.-Ing. Peter Adelmann
Director
id-eee Institute
Germany

While solar modules are getting cheaper, storage is the key factor that determines the cost of the system. Besides new battery technologies, other forms of storage are available.

Further Talks of this session:

Speaker

Julius Bäurle
Electrical Engineer in System Development
Institute for Decentralized Electrification, Entrepreneurship & Education GmbH & Co. KG
Germany

To Talk

Speaker

Dr. Sylvain Brimaud
Scientist and Team Leader
ZSW (Centre for Solar Energy and Hydrogen Research)
Germany

To Talk

Speaker

David Gögelein
PhD Student
Technical University of Ulm
Germany

To Talk

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The smarter E Europe Conferences 2025
Panel Discussion of of the Session Off-Grid: When Will Off-Grid PV Follow the Affordability Trend?(BSW)

Wednesday, May 07, 2025, 04:00 pm - 05:30 pm

The smarter E Europe Conferences 2025 | Conference Program

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Photovoltaic prices have fallen continuously in recent years - a trend that should translate into a growing market for off-grid solutions. Declining costs are crucial for rural electrification in particular, making sustainable energy supply economically viable in remote regions. However, so far many of these price advantages have not yet reached the people that need them most. Do existing framework conditions to foster rural electrification still work in this new market reality? Which measures are needed to ensure that cost reductions reach our target group? This session discusses strategies for improving the availability of low-cost off-grid solutions, financing and innovative business models. A look at successful practical examples shows which political, economic and technological levers need to be pulled to make off-grid PV accessible on a large scale.

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