Maximising Commercial Solar Investments: A Case Study from Samin Sheet Metal

Introduction

In the fast-evolving world of commercial solar power, businesses across Australia are seeking innovative solutions to reduce energy costs and enhance sustainability. One standout example of solar success is Samin Sheet Metal, which has reaped significant financial and environmental benefits by optimising their PV systems. This case study delves into how Samin Sheet Metal, in collaboration with Energy Partners and utilising SolarEdge technologies, has effectively eliminated costly demand tariffs and streamlined energy consumption.

Challenges Faced

Samin Sheet Metal was initially placed on a default Small Demand Tariff 8300 by Energex, which meant that their annual energy usage exceeding 100,000-kWh attracted a kVA demand charge. This setup was financially burdensome and inefficient in terms of energy management.

Solution Implemented

The company installed a 100-kW system equipped with SolarEdge power optimisers and inverters, along with Canadian Solar 265Watt smart panels. This system was not just about energy generation but included a powerful monitoring platform provided for free by SolarEdge. The detailed monitoring allowed Samin Sheet Metal to prove a significant reduction in their daily energy consumption, thereby qualifying them to shift away from the expensive kVA demand charge to a more economical tariff.

Outcomes

The transition to an optimised system enabled Samin Sheet Metal to cut their energy bills by up to 70%. Within the first year, they achieved cost savings of over $35,000, with projected savings of more than $52,000 in the second year. Moreover, the ability to export excess power to the grid opened up a new revenue stream, enhancing the return on investment. The company now expects to pay off the system in just 3.5 years — far sooner than the 8-year payback initially projected under the demand tariff.

Technological Edge and Maintenance

The SolarEdge system offers detailed panel-level monitoring, which ensures that any performance issues can be quickly identified and resolved, often without the need for on-site visits. This capability not only reduces maintenance costs but also holds panel manufacturers accountable to their performance warranties.

Environmental Impact

Beyond the financial benefits, Samin Sheet Metal has significantly boosted their environmental credentials. The optimised solar system reduces reliance on fossil fuels and lowers carbon emissions, aligning with broader sustainability goals.

Conclusion

Samin Sheet Metal's experience is a clear testament to the potential of optimised solar systems in transforming commercial energy use. Their journey from high energy costs to substantial savings and environmental benefits underscores the importance of choosing the right technology and partners. Businesses considering similar upgrades can look to this case study as a model of what can be achieved with the right approach to solar energy investment.

You can find out more about the project here