Calculateur de Batterie Solaire — Portugal

Portugal enjoys some of the best solar resources in Europe, with an average of 4.5 kWh/m²/day across the country and the Algarve region regularly exceeding 5.0. Combined with electricity rates of ~$0.262/kWh — among the highest in the EU relative to local purchasing power — solar self-consumption offers compelling economics for Portuguese households.

The UPAC (Unidades de Produção para Autoconsumo) regulatory framework allows households to install solar systems for self-consumption with simplified registration. Surplus energy can be injected into the grid through a net metering arrangement, with compensation calculated based on the O&M tariff (tarifa de acesso às redes). The government has actively promoted solar adoption through VAT reductions on equipment and streamlined licensing for systems up to 30 kW.

Key advantage: Portugal's mild Atlantic climate means solar panels operate efficiently year-round — unlike hotter southern European countries where extreme heat reduces panel efficiency. Battery storage helps you maximize the value of your UPAC system by storing midday surplus for evening use, when EDP and other suppliers charge premium rates during peak hours.