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Johansson - Langebaan

Johansson - Langebaan

This project brought us to a cherished family home in Shark Bay, Langebaan, where a retired couple sought to future-proof their energy needs while staying connected to the place where they raised their family, overlooking the breathtaking lagoon. Over five phases, we transformed their power system into a resilient, efficient setup that captures the beauty and energy of their coastal surroundings.

The journey began during the COVID-19 lockdown, with Phase 1 featuring a 3kVA inverter, a 4kWh battery, and six 360W panels. Restrictions meant we had to delay the panel installation until scaffolding could be safely brought in. Once in place, this initial setup allowed the couple to begin enjoying stable backup power. Phase 2 saw an expansion of the battery to 8kWh, enhancing storage capacity for longer energy independence.

In Phase 3, we strategically added panels on the western roof. This positioning maximizes solar generation in the afternoons, as the heavy morning mist in this region often clears by midday thanks to the southeast winds. For Phase 4, we addressed lingering issues with the initial battery bank and transitioned to BYD, our premium battery partner, ensuring top-tier reliability and performance.

Finally, Phase 5 doubled the output capacity by adding a second 3kVA inverter, bringing the system to a robust 6kVA supply, with a 10kWh lithium battery and a 4.4kWp array spread across three MPPTs. This phased approach has equipped the couple with a high-performing, reliable system that complements their serene coastal lifestyle and ensures they can fully enjoy the place that means so much to them.

Components:

  • 2x Victron MultiPlus-II 48/3000/35-32 Inverter/Chargers;
  • 2x Victron SmartSolar 150/35 Charge Controller MPPTs;
  • 1x Victron SmartSolar 100/20 Charge Controller MPPT;
  • 2x BYD 5kWh Flex Lite Lithium batteries
  • Victron CCGX System Controller;
  • Victron Lynx DC Busbar;
  • Total of 4.4kWp of PV panels;

Notes:

  • AC-Out1 + AC-Out2 in use, to disconnect AC-Out2 on 30% SOC with Generator Assistant;
  • ESS in 20% with BatteryLife when there is no loadshedding, 40% when there is;
Tagged as:
battery-blue-nova-lithium, charge-controller, multiplus-ii-3kva

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022 495 0016/17
info@baysolar.co.za

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Tel: 022 495 0016
Tel: 022 495 0017
Cel/WA: 072 437 7620
Email: info@baysolar.co.za
39 Main St, Langebaan

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