Tindo Commercial Solar Case Study
Comparing solar production between a string inverter system and an optimised SolarEdge system
The project scope called for the Installation of a 200kW Solar PV system on Codan’s Mawson Lakes facility. In order to maximise the available roof area, the system design was split evenly across the two main buildings of the facility with 100kW installed on each building area. On the southern building there were some sections of the roof that had shading impacts.
Two different inverter solutions were chosen for the site.
The two main buildings had identical orientations and roof plans however the southern building was impacted by shading at certain times of the day. Critical to the project’s success was the ability to install 100kW on both main buildings, while mitigating against potential shading impacts. Approximately 50 panels on the southern building were impacted by partial shading.
Modules used across both systems were manufactured by Tindo here in Australia, in the only solar module assembly facility in the country. The SMA Sunny Tripower Core1 50kW inverters were chosen for the main building whilst SolarEdge SE27.6K plus P600 Power Optimisers were chosen for the southern building.
Installing equivalent sized systems with equal orientations and comparable inclinations provided an opportunity to make comparisons of their respective system performance despite shade impacting the southern building. Both systems were monitored by Solar Analytics which provided expected generation and actual performance over a 3-month period during Autumn 2020. The system featuring SolarEdge Inverters and Power Optimisers yielded 6% higher output for the period despite the partial shading.
Table 1: System Details
Table 2: Monitoring Data for the period 17 March – 16 June 2020
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