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ID:
171392
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| Summary/Abstract |
Increasing distributed renewable energy generation renders balancing of energy supply and demand more challenging. Peer-to-peer (P2P) exchange of decentrally generated energy is a promising means to optimize renewable energy flows. While previous research has primarily focused on the technological and economic benefits of P2P energy trading, little research has investigated customer preferences in this context so far. It is thus still unclear to what extent private actors such as homeowners are actually willing to participate in P2P energy communities and if so, under which conditions. Here, we address this research gap by analyzing homeowners' trading decisions in simulated P2P electricity trading scenarios. Findings based on a sample of 301 German homeowners show that community electricity prices and state of charge of private energy storages are key determinants of homeowners’ trading behavior. We moreover identified four target groups that systematically differed in their decision-making strategies ranging from price-focused prosumers (38.9%) to classic non-trading consumers (22.6%). Our findings provide promising insights for the design of P2P communities and allow policy makers to more accurately predict risks and benefits associated with P2P projects. Finally, our findings contribute to the development of tailored policy instruments aiming to increase P2P trading in decentralized energy communities.
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| 2 |
ID:
187590
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| Summary/Abstract |
Beyond the hitherto high cost of storage technologies, regulatory and market barriers such as lack of definition, double grid charges and unclear ownership rules have hindered their deployment. These barriers, however, have been largely overlooked in energy modelling research, calling for new interdisciplinary research. In 2019, the new EU electricity market directive was released with energy storage as a central element. Against this background, we study the impact of the new EU legal framework on the value of energy storage across 12 countries using techno-economic modelling informed by legal analysis and expert interviews. We conclude that the new legal regime fits for behind-the-meter batteries which could become widespread across Europe, considering their important value creation. This could also be the case for community storage, especially if national transpositions of the new legal regime prevent double grid charges or at least, moderate them. Legal certainty is created by prohibiting network operators to operate energy storage, but we argue that benefit stacking including applications which support electricity grids would only be possible if network operators set up transparent flexibility markets for the interested parties.
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