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| Srl | Item |
| 1 |
ID:
177101
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| Summary/Abstract |
Sector coupling (SC) describes the concept of a purposeful connection and interaction of energy sectors to increase the flexibility of supply, demand, and storing. While SC is linked to research on smart energy system and locates itself in the research stream of 100% renewable energy systems, it currently focusses on counteracting challenges of temporal energy balancing induced by the intermittent feed-in of renewable energy sources. As regarding the coupling of grids, SC currently remains within classical energy grids. It does not exploit the coupled sectors’ potential to its full extent and, hence, lacks a holistic view. To include this view, we call on the use of all grids from coupled sectors for spatial energy transportation, resulting in an infrastructural system. By using the different loss structures of coupled grids, we illustrate how a holistic view on SC minimizes transportation losses. We argue that SC should include all grids that transport whichever type of energy (e.g., even transportation or communication grids). Ultimately, we derive and discuss implications relevant for policy makers and research: We illustrate why regulation and market design should be aligned in a way that the resulting incentives within and across the different sectors support climate change goals.
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| 2 |
ID:
176850
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| Summary/Abstract |
Given the growing share of uncertain renewable energy production, the energy transition challenges modern power systems and especially calls for increased flexibility. However, relevant information on the highly asset-specific flexibility potential is typically only known to plant operators themselves and not, e.g., to transmission system operators. Therefore, liberalized electricity markets use prices that set explicit monetary incentives to disclose the relevant private information about the market participants’ assets. In this way, information asymmetries may be reduced. Given the different challenges of an integration of renewables, we argue that the associated new forms of volatile power profiles require new forms of power-trading products. In particular, based on recent advances in technical power measurement and billing, individual and market participant-specific power profiles may be superior to the current trading of average volumes. Against this background, we first outline various evolutionary adjustments of existing power-trading products and their underlying product parameters including (1) strengthening local pricing, (2) finer temporal granularity, (3) smaller minimum volume, and (4) shorter gate-closure time. Second, we open up a new perspective in form of a more disruptive shift towards power-profile trade, where market participants define their trading product using the actual power profile as a new product parameter.
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