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Integration of small-scale batteries into future electricity markets

 
: Stahl, Benjamin; Klingler, Anna-Lena; Klobasa, Marian; Manz, Pia; Pudlik, Martin

:

Institute of Electrical and Electronics Engineers -IEEE-:
15th International Conference on the European Energy Market, EEM 2018 : 27-29 June 2018, Lodz
Piscataway, NJ: IEEE, 2018
ISBN: 978-1-5386-1488-4
ISBN: 978-1-5386-1489-1
5 S.
International Conference on the European Energy Market (EEM) <15, 2018, Lodz>
Englisch
Konferenzbeitrag
Fraunhofer ISI ()
business model; PV self-consumption; stationary battery; system integration

Abstract
In terms of the economic performance of residential PV systems, the rate of onsite-consumed electricity (i.e. self-consumption) is becoming ever more important. In order to increase self-consumption, battery systems are available, which allow to match electricity generation and consumption. However, relatively small batteries are sufficient to improve self-consumption, and further increases in capacity only lead to small additional self-consumed amounts. Nevertheless, the evolving market offers different additional options to increase profitability and usage of a battery system by offering flat rates or providing balancing power. The business case that provides balancing power achieves an interest rates of 2.1 % (compared to 8% without a battery). Under favourable future conditions, such as increasing household consumption, electricity or balancing power prices, a PV + battery system can be a competitive investment for consumers and the systems' effect on household load profiles has to be considered in the management of balancing groups.

: http://publica.fraunhofer.de/dokumente/N-519527.html