As Elecktrek reports, the new Powerpack displays the flexibility and reliability of the company’s energy storage products. Before the installation in Rockhampton, Queensland, Tesla already had previous huge Powerpack projects such as the 100MW/129 MWh energy storage system and the Tesla solar + Powerpacks project powering Kauai.
The mentioned utility-scale projects showcase hundreds of Powerpacks and huge commercial battery inverters. However, Tesla can set up smaller systems for various uses as well and still get a return of investment in the right conditions.
The project in Queensland proves that a single Powerpack with a much higher capacity commercial inverter can work. Pertaining to the project, Tesla wrote, “The Cathedral College in Rockhampton, Queensland is the first school in Australia to Tesla Powerpack store sustainable energy generated from solar during the day to power the boarding house during the evening and into the morning.”
The school got the services of GEM Energy Australia to build them a solar array to lessen their energy costs and they turned to Tesla to work out the energy issue so that they can use their own solar energy.
During an energy conference held in June, the General Manager of GEM Energy Australia, Benjamin Kolle, stated, “Exploring all different battery types and inverters, the solution we have implemented is 80.08kW of Q.CELLS Q.PLUS BFR-G4.1 280w with SolarEdge inverters with a Tesla Powerpack battery setup which includes 95kWh of usable storage and a 50kW Tesla Battery inverter. We chose this combination because of the performance, space requirements, and cost effectiveness.”
Tesla released its own commercial inverter which was developed in-house by utilising the company’s proven expertise for in-car inverters. By making use of the Powerpack into the system, Tesla believes that Cathedral College should gain a return on investment within six years. On the other hand, GEM Energy says that it would take at least 7 years to gain a payback for the full project with the solar arrays.
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