World’s largest solar PV peaker power plant uses DC-coupled storage design with Ampt optimizer

World's largest solar PV peaker power plant uses DC-coupled storage design with Ampt optimizer

According to solar builder news, The Lāwa’i Solar and Energy Storage Project in Hawaii completed this month became the world’s largest operational solar PV+storage peaker plant and is responsible for delivering 11% of Kauai’s power while providing mission-critical grid support during peak demand periods.
The completion of this system allows the utility to deliver up to 40% of the island’s evening peak power using stored solar energy. This record-breaking PV peaker power plant has 28 MW of solar PV and 100 megawatt-hours (MWh) of DC-coupled energy storage.
To meet the demanding operational needs of a clean energy peaker plant while being cost competitive, the project developer chose to use a DC-coupled storage architecture based on Ampt String Optimizers for its cost and performance advantages. DC-coupled energy storage systems charge batteries using energy from the DC solar array rather than the AC grid.
Ampt String Optimizers decrease the total cost of the entire power plant. Ampt’s unique features lower the cost of all the power electronics, including the inverter and battery converter, and save in electrical wiring of the PV array. Moreover, Ampt String Optimizers maximize the performance of the PV system by managing power on each string of PV modules rather than across the whole array at a central point. ——————–***——————–
Source:tinyurl.com/y979xqb3
Photo:www.solarbuildermag.com
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‘All rights go to the author of the news and image mentioned above’

Location: Kauai

Date: Jan 29, 2019 @ 16:29

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