The Caribbean's electrical system is entering a new phase in which batteries are taking on a central role in the energy mix. This was the view expressed by Héctor Núñez, Head of Sales North LATAM at Sungrow , during his participation in FES Caribe, as he described the evolution of project development in the region.
“Batteries are going to play an even more prominent role than photovoltaic projects,” the executive stated, referring to an energy mix that already has a high solar component and now requires greater responsiveness to guarantee stability and quality of supply.
In this sense, the market is moving towards a model where backup solutions are no longer optional. The trend indicates that new projects will incorporate batteries from their inception, while existing assets are beginning to evaluate them as a way to optimize their performance and adapt to new system demands.
This process is gaining momentum in a context where system reliability is increasingly important. Recent events in the Dominican Republic, such as large-scale outages, have reinforced the need to incorporate technologies capable of providing flexibility and support to the network.

Meanwhile, the sector is undergoing a period of adjustment that calls for a rethinking of project structuring. After several years of sustained cost reductions, the market is facing a new dynamic linked to raw material prices. “Since December of last year, lithium has practically doubled in value,” Núñez noted, signaling a shift in market conditions.
Far from hindering development, this scenario is driving an evolution in how investments are planned. The need to account for greater levels of uncertainty is leading to the development of more flexible contracts and more comprehensive strategies. “ How can I sign a contract without knowing what will happen in six months? ” the executive asked, opening the debate on new coverage and collaboration models.
In this context, a long-term perspective takes on even greater importance. Beyond the initial investment, the sustainability of projects increasingly depends on their operation over time. “People worry about CAPEX, but OPEX is key,” Núñez stated, emphasizing the importance of optimizing operating costs throughout the project's lifespan.
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Given that these developments involve relationships that can last for 20 years, collaboration between manufacturers, developers, and operators becomes crucial. More collaborative models allow for improved efficiency and sustained viability in a more dynamic environment.
At the same time, technology continues to evolve to support this paradigm shift. Sungrow is committed to integrated solutions that combine power electronics and batteries in a single system, facilitating adaptation to new operating conditions.
Among their most recent developments are systems with capacities of up to 7 MWh in a single container, integrating the conversion equipment within the solution. This approach not only improves efficiency but also simplifies operation and reduces project complexity.
In turn, the conditions in the Caribbean present unique challenges. Factors such as humidity and salinity demand robust designs, where technologies like liquid cooling help preserve performance and ensure operational continuity.
Another key aspect is the evolution of the system's technical requirements. The incorporation of functionalities such as BlackStart and Grid Forming is already on the agenda, although the market is still adapting to these new demands. In this scenario, adaptability becomes a significant differentiator.
Sungrow's experience in the Dominican Republic reinforces this approach. With over five years of presence in the country, the company has participated in large-scale projects and even in the implementation of solutions with advanced network support capabilities.
In short, the message from FES Caribe is clear: the growth of solar energy is ushering in a new era where batteries can sustain and enhance that development. In a context of technological transformation and market adjustment, the challenge is not to halt projects, but to adapt them so they can continue to move forward on a more solid foundation.

