What is it about?
This paper studies whether it is more profitable for households to install solar PV systems individually or to join an energy community in Italy and Portugal. It compares different national support schemes and evaluates the optimal size of PV and storage systems for four representative families. A techno-economic model is used to calculate savings, Net Present Value (NPV), and Internal Rate of Return (IRR) under each policy framework
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Why is it important?
The European Union has invested large amounts of funding to accelerate the energy transition, but national policies differ. This study shows how these policy differences strongly influence the profitability of solar systems, the optimal system size, and whether storage makes economic sense. It also demonstrates that energy communities can be more profitable than individual self-consumption schemes, highlighting the importance of policy design in shaping the success of distributed renewable energy
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This page is a summary of: Techno-economic analysis of self-consumption schemes and energy communities in Italy and Portugal, Solar Energy, March 2024, Elsevier,
DOI: 10.1016/j.solener.2024.112407.
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