Sol de Volta
ENPT

Sources

Where the figures we show on the site come from, with the source, the year and a link to open it.

Courtesy translation. The Portuguese version prevails.

Citations

  1. 10–15 years Typical life of a string inverter, against 25–30+ years for the panels: the inverter will need replacing during the panels' life.

    EnergySage, via pv magazine, 2025. pv magazine, “How long do residential solar inverters last?”, 6 August 2025 (EnergySage data). Open the source 1

  2. ~12 h Iberian blackout: about 12 h until REN restored all substations; full normalisation only came the next morning. A battery with backup keeps the essentials on.

    E-Redes/REN, via CM Jornal, 2025. CM Jornal, “Rede reposta a 100% e normalizada” (in Portuguese), 29 April 2025 (E-Redes and REN). Open the source 2

  3. ~40 days Almost 40 days to repair inverters on home rooftops, in an NREL study (US) of 100,000 systems. Monitoring your output helps spot faults sooner.

    NREL, via pv magazine, 2020. pv magazine, “Study of 100,000 arrays finds proactive O&M preferable”, 18 March 2020 (NREL study). Open the source 3