Interest in co-locating solar PV with energy storage is increasing in Southern Europe, as grid curtailments and negative or near-zero prices for solar PV become more frequent in the region. At yesterday's keynote panel for the Large Scale Solar Southern Europe event, in Athens, Greece, panellists. . Long-anticipated structural bottlenecks have intensified: grid congestion, curtailment, falling capture prices, stagnating electrification, and unresolved flexibility and storage needs. Even permitting remains a substantial barrier in many Member States. In 2025 it exceeded capacity targets and became the main source of electricity in June, consolidating itself as a key element of the energy transition. This is roughly composed of the cost of the batteries themselves ($75 per kWh) and installation, connection, and other costs ($50 per kWh). Wholesale power markets in most of Europe's. .
