This master's thesis examines the economic viability of investments in a combination of battery storage systems and solar power plants for households following the introduction of a revised network tariff model. The objective was to assess the impact of the new tariff structure on household electricity costs and to evaluate the feasibility of such investments.
The analysis focused on four different households with varying electricity consumption patterns and existing energy solutions. Through simulations, optimizations, and economic indicator calculations, we determined that the new network tariff system affects household electricity costs differently. Households with electrified heating systems and electric vehicles, due to their higher power demand, are more exposed to increased costs compared to those that have not made such investments in the past.
In the long term, investments in a combination of battery storage and solar power systems did not prove to be fully economically viable. However, our findings indicate that such investments still contribute to reducing household electricity costs. The analysis also clearly showed that the savings are significantly higher when the state provides financial incentives to support these investments.
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