Abstract
This study quantifies the economic potential of cross-border transmission to a decarbonized future Northwestern European power system through the energy model Balmorel. A scenario with modelled optimal transmission capacity at lowest total system costs is compared to the scenario with given capacity level of existing and planned projects. Increased transmission investments decrease total system costs and regional price difference. It benefits particularly wind power deployment and thus, lowers CO2 emissions in the power and heat sector. The impacts are, nevertheless, distributed asymmetrically to northern and western stakeholders. Northern consumers receive higher power prices, but the revenues of wind and hydropower producers also increases. Meanwhile, western consumers receive lower power prices, but gas power producer revenues decrease.
Highlights
Large deployment of renewable energy sources is one of the major means for decarbonization in the energy sector
To ensure meeting climate targets without sacrificing security of supply, several large-scale transmission projects are under construction or planned in Europe in the following decade (ENTSO-E The European network for transmission system operators electricity, 2018; European Commission, 2017)
This paper quantifies the economic impacts of cross-border trans mission in Northwestern Europe using an energy system model which includes a detailed representation of the power as well as the district heating sector
Summary
Large deployment of renewable energy sources is one of the major means for decarbonization in the energy sector. It is, well known that fluctuating characteristics of wind and solar power brings new technical and economic challenges to the energy system. Well known that fluctuating characteristics of wind and solar power brings new technical and economic challenges to the energy system To address these challenges, more solutions providing energy system flexibility are needed (Sovacool et al, 2018). The main challenges for large-scale implementation are, high costs and/or low technical maturity for many of these options. One potential option is increasing the interregional transmission capacities in accordance with the growing shares of variable renewable energy (VRE). An economic model by (Abrell and Rausch, 2016) have noted that trans mission expansion benefits emission abatement only with increased renewable energy penetration, which coincides with European energy policy
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