securing your power and your future

PROJECT NAME:

Off-Grid Eco Villas

PROJECT NAME
Off-Grid Eco Villas
SYSTEM TYPE / APPLICATION
Off-Grid – Complete System & On-Grid – Autonomy System
LOCATION
Kangaroo Island, SA
INSTALLED
June 2014 and July 2018
KEY BRANDS
SMA, Sonnenschein, Trina Solar, BMZ, BYD, Selectronic, Fronius

PROJECT DETAIL

Objective:

Powering multiple buildings, both on and off grid, for Sea Dragon Lodge Luxury Eco Accommodation

2014 Install (Autonomy): While the site had grid power available, it wasn’t adequate for the power needed by the new eco villas. The grid will provide backup power for low battery SOC% or high power demand.

2018 Installs (Autonomy Upgrade, and Complete System): With more villas and a new office built, the original system needed expansion.
A separate off grid system was also needed for the new staff quarters, a cottage, and a 3 bedroom villa.

Site Considerations:

Cable sizes needed to be carefully planned for both the 2014 and 2018 installations as the buildings were, in some cases, quite a distance apart.

Load Analysis:

2014 Install

  • Average summer demand: 17.61kWh
  • Average winter demand: 12.35kWh
  • Demand surge: 8.82kW

2018 Off-Grid Install

  • Average summer demand: 30.64kWh
  • Average winter demand: 30.64kWh

System Design:

2014 Install

  • SMA Sunny Island 5048 Inverter Charger
  • SMA SB4000TL Solar Inverter
  • Sonnenchsein sealed gel batteries (31kWh)
  • Trina Solar panels (4kW)
  • Tilted solar framing

2018 Off Grid Install

  • Selectronic SP Pro SPMC482 Inverter Charger
  • 2 x BYD BBox LV PRO battery units (27.6kWh)
  • REC 295W Twin Peak Solar Panels (5.9kW)
  • Fronius Primo 6kW Solar Inverter
  • Select.Live system monitoring
  • Tilted solar framing

Project Outcome:

“The boys did a nice job on the installs”
-Steve

To check out the systems for yourself, book a few nights in their stunning oceanview villas at https://seadragonlodge.com.au/

OTHER OFF-GRID POWER PROJECTS

While the site had grid power available, it wasn’t adequate for the power needed by the new eco villas
Lobethal Rd Wines were expanding their winery but couldn’t rely on their existing old off grid system, which was too small and fading fast.
The customer had an old off grid system that needed replacing. We needed to fit a new solar array to the existing ground mounted frames as well as adding a new ground mounted solar array.
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