Residential · Brazil

143.36 kWh Power Lite Battery Packs with SMA Inverters for an Off-Grid Island — Brazil

An off-grid solar-plus-storage installation on Ilha do Japão, Brazil, combining UZ Energy Power Lite battery packs with SMA Sunny Island inverters. The system integrates solar generation and battery storage to reduce diesel generator use and improve energy independence at a remote private property.

143.36 kWh Power Lite Battery Packs with SMA Inverters for an Off-Grid Island — Brazil
45 kWpSolar PV Capacity
28 × 5.12 kWhBattery Packs
SMAInverter

The setting

Ilha do Japão is a private island located approximately 7 km off the coast of Angra dos Reis, Rio de Janeiro. Its remote location makes fuel transportation an important part of energy supply. An off-grid solar-plus-storage solution offers an opportunity to reduce reliance on transported diesel and improve energy independence.

UZ's approach

UZ Energy supplied 28 Power Lite Series battery packs, each with a capacity of 5.12 kWh, integrated with 12 SMA Sunny Island 8.0H battery inverters and an SMA MultiCluster Box 12.3. The system combines a 45 kWp solar PV installation with battery storage and a diesel generator retained for backup. Solar generation supplies the property during the day, while stored energy supports electricity demand when solar production is unavailable.

Why it matters

Following commissioning, the diesel generator shifted from continuous operation to backup duty. Project reports indicate that diesel consumption was reduced by approximately 160 litres per day. The system also reduced the need for fuel transportation to the island, along with generator noise and associated emissions.

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