The challenge
Make use of the flat roof of the support building without wasting the energy produced in the sunny hours: whatever is not used at once had to be stored for later.
Solar with batteries41.30 kWp on a flat roof, with 54.72 kWh of batteries to use daytime energy in the evening and at night as well.
Macieira da Maia, Vila do Conde2026
Make use of the flat roof of the support building without wasting the energy produced in the sunny hours: whatever is not used at once had to be stored for later.
A 41.30 kWp installation with an estimated output of around 55,000 kWh per year, and batteries that store the daytime surplus for when the sun is gone.
70 Trina Solar 590 W bifacial panels (TSM-NEG18C20), from a Tier 1 manufacturer, with 22.8% efficiency.
Sigenergy SigenStor system: 30 kW three-phase hybrid inverter, battery and energy management in one modular unit.
Battery tower with 6 modules of 9.12 kWh, 54.72 kWh of storage in total.
15° triangular frames for flat roofs, raising the panels, avoiding shade between rows and keeping them ventilated.
Itron SL7000 meter and monitoring of production and consumption.
Solar de Sabariz
Figures from the technical design. Output is an estimate.
What was installed on site. See each item and ask for the same for your home or business.
70 ×Trina Solar
Bifacial monocrystalline panel (TSM-NEG18C20), 22.8% efficiency, Tier 1 manufacturer.
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1 ×Sigenergy
Three-phase hybrid inverter: solar, battery and energy management in one unit.
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6 ×Sigenergy
Stackable modules in one tower: 54.72 kWh of storage in total.
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