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DC coupled Advantages
DC Coupled Solar input, with Ampt String Optimizers provide the key technology that enables an innovative DC-coupled architecture that enhances how solar+ storage projects meet the most challenging grid requirements.
This breakthrough battery-centric architecture allows the PV system to share the DC bus directly with the battery and inverter, preserving the rapid response times of standalone storage while delivering higher performance and lower costs.
https://www.ampt.com/sepa-2025-energy-storage-power-player-of-the-year#module-2
In addition any other Energy Sources could be directly DC coupled such as wind / Grid / Diesel / Biogas.
DC coupling has many advantages in all these cases - For example Allowing a much smaller Diesel Genset to be used, which only runs at constant speed/load at Optimum Efficiency to charge battery at a constant rate. The peak demands and larger loads are carried by battery and inverter.
https://www.youtube.com/watch?v=G-tyxMN2ni4
Technology Leadership and partners
Regenset is a new venture led by Dr. Ian de Vries, partnering with some world leading technology providers. The key aspects of this venture are listed below.
Founder, and will personally fund seed capital. Excellent entrepreneurial track record as founder of Balancell. In addition he was Lead engineer and CEO of Balancell for its first 11 years.
They make the world's best high voltage (HV) DC solar power optimizers. Ampt’s solution was highlighted in a report by https://www.dnv.com/ which compared various PV+storage architectures. The report found Ampt’s high, fixed-voltage DC-coupled approach saved between 18.7 and 29.6 percent of impacted component costs compared to the other DC- and AC-coupled configurations
World leading HV modules (South African manufactured but soon European manufactured). Balancell manufactures Lithium batteries for industrial motive and renewable energy space. Founded in 2013 by Dr. Ian de Vries, and with less than USD$2m total funding over its life to date, is now at R400m revenue and growing rapidly. It is considered to be world leading battery technology with some of the best battery data analytics available. Dr. de Vries brings proven business and technical leadership as well as vast experience and knowledge of the batteries, power electronics, inverters, manufacturing, connected systems and software development. In other words, knowledge of the complete energy system design and full integration of the whole value chain. Balancell will be providing the battery modules for this venture, that provide some key advantages, with scalable locally manufacturing. Uses a Tier one supplier of cells.
Trumpf is a leader in Industrial power Electroncis. Their inverters have been selected over a multitude of others, offering excellent system features and integration, efficiency and cost advantages. They can operate in parallel and offer black start abilities.
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