Tracking the Duck Curve: Fraunhofer CSE’s Kinsey featured on SolarCurator

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The Duck Curve – Maintaining bulk power system reliability while integrating variable energy resources – CAISO approach.

With more people moving towards solar in efforts to replace fossil-fuel electricity generation, questions are arising about how to deal with the ‘Duck Curve’ effect. In his first post for, Fraunhofer CSE Director of Photovoltaic Technologies Geoffrey Kinsey discusses how leveraging PV tracking systems can potentially combat the energy supply and demand issues.

“Bringing tracker-based solar online improves the shape of the duck. For example, PV mounted on horizontal trackers aligned along a north-south axis (such as those at the 550-MW Topaz Solar Farm) will produce less peak power in January, due to the low winter sun angle….this flattens the belly of the January duck considerably. Output from horizontal north-south trackers rises in the summer months, which will help match the higher midday summer demand from air-conditioning loads,” Kinsey writes.

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