Off-Grid Innovation Powers ‘Rumi’ a Luxury Eco-Resort
The Challenge Rumi on Louth, a new secluded eco-resort off the coast of South Australia, presented a unique challenge: how to provide reliable power to a remote island while suppor
Energy Storage on the Worlds Largest Sand Island: K’Gari
- PowerPlus Team,
Nestled in the hills of Orchid Beach on K’Gari, formerly Fraser Island, a two-bedroom home thrives with off-grid power that rivals city living. In 2010, Springers Solar were approached with the challenge of creating a comprehensive off-grid solution due to the inaccessibility of grid electricity on the secluded island. Springers Solar, in collaboration with the homeowners, crafted an innovative 24V off-grid solar and battery system. After over a decade of reliable service, the homeowners sought an upgrade in 2023 to incorporate newer technologies and future-proof their residence.
The call for an Upgrade
Springers Solar played a pivotal role in the success of this project. Their expertise, dedication, and collaborative approach ensured the initial system’s effectiveness and the seamless integration of advanced technologies in the recent upgrade.
Initial Off-Grid System (2010):
- 24V off-grid solar and battery system
- Eight 900Ah Raylite wet cell batteries configured for a total storage capacity of 43kWh.
- 2.5kW Selectronic Inverter Charger
- Demonstrated excellence in off-grid energy solutions for over a decade.
System Upgrade (2023):
- 40 modules of 430W Trina Solar Vertex S+ solar panels covering the north-east facing roof
- Total solar capacity of 17.2kW with resilience against harsh environmental conditions
- Ten 48V 4kWh PowerPlus Eco4840P Lithium Batteries for a total lithium battery storage of 40kWh
- 48V 7.5kW Selectronic Inverter Charger, coupled with Fronius Primo Inverters (13.2kW combined inverter capacity)
- Integration of AC-Coupled configuration for handling substantial AC loads
- Remote monitoring through Select.Live for real-time performance metrics.
Showcasing Sustainability and Efficiency
At the core of the Orchid Beach Off-Grid Power System are the PowerPlus Eco4840P Lithium Batteries, installed in a PowerPlus Slimline PEF12 IP54 wall cabinet. With a total lithium storage capacity of 40kWh, these batteries enable a daily withdrawal of up to 32kWh, ensuring consistent power supply. Their high-depth discharge capability provides a reliable power source for approximately five days during adverse weather conditions, enhancing system autonomy. The transition from wet cell to lithium technology signifies a significant advancement in energy storage, contributing to the system’s overall efficiency and reliability.
The Orchid Beach Off-Grid Power System stands as a testament to meticulous design and outstanding workmanship by Springers Solar. The upgraded system provides continuous access to solar energy, effectively powering the home day and night. This case study highlights the seamless integration of cutting-edge technologies, emphasizing the commitment to sustainability and long-term energy solutions.
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