Wasion Energy and Sinexcel Secure Central America's Largest Wind-Storage Project

Published: July 07, 2025 17:50

In a landmark development for renewable energy infrastructure in Central America, Chinese companies have successfully commissioned the region's largest wind power storage system. The Coopesantos wind farm storage facility, a joint venture between Sinexcel. and Wasion Energy, officially commenced operations in Costa Rica under the witness of Chinese Ambassador Wang Xiaoyao and Costa Rican government officials.

 

This groundbreaking project represents not only Central America's first major wind-storage integration but also a significant milestone in China's expanding global footprint in energy storage technology.

 


source: Wasion Energy 

 

Advanced Technology Meets Regional Challenges

 

At the Coopesantos site, rows of meticulously arranged energy storage converters operate with precision. The PWS1-1250KTL-H-NA units, manufactured by Sinexcel, are reshaping Central America's energy landscape through three core value propositions.

 

The system's intelligent grid management capabilities achieve peak-shaving efficiency exceeding 99%, while executing precise frequency and voltage regulation functions. Enhanced safety protocols incorporate advanced Virtual Synchronous Generator (VSG) grid-forming technology, enabling black-start capability and islanding operations to ensure power continuity during extreme weather events.

 

Recognizing Central America's challenging environmental conditions—characterized by high temperatures, elevated humidity, and frequent seismic activity—the project consortium implemented comprehensive system-wide earthquake-resistant and moisture-proof design enhancements.

 

Diplomatic and Strategic Implications

 

"As China's Ambassador to Costa Rica, I am delighted to witness Chinese enterprises collaborating closely with Costa Rica across multiple sectors," Ambassador Wang Xiaoyao remarked during the commissioning ceremony. "Both nations share common objectives in emissions reduction and decarbonization. I am confident that renewable energy cooperation will emerge as a new highlight in our bilateral relationship."

 

This assessment reflects Costa Rica's progressive environmental agenda. The nation has committed to achieving carbon neutrality by 2050, positioning Chinese technology as a reliable partner in its power sector decarbonization efforts.

 

Addressing Wind Power's Inherent Challenges

 

Wind power, while representing clean energy's potential, faces significant operational constraints due to its intermittent and volatile nature. Wind speed fluctuations create output variability that challenges grid operators with insufficient peak regulation capacity and voltage instability.

 

The Coopesantos project's innovation lies in its deep integration between energy storage systems and wind generation, delivering four critical functionalities:

 

Output Smoothing: Mitigating minute-level power fluctuations to reduce grid impact stress.

Forecast Alignment: Enhancing consistency between actual wind output and predictions, thereby minimizing grid compliance penalties.

Ancillary Services: Providing frequency and voltage regulation capabilities to meet mandatory grid interconnection requirements.

Energy Arbitrage: Storing excess generation during high-wind periods and releasing power during peak demand, reducing wind curtailment losses.

 

Global Industry Transformation

 


source: Wasion Energy

 

Internationally, wind-storage integration is transitioning from an optional enhancement to a mandatory requirement. Industry data indicates that at least eleven Chinese provinces—including Xinjiang, Inner Mongolia, and Henan—now mandate energy storage deployment for new renewable projects as a prerequisite for project approval. European nations have similarly established stringent active power variation limits.

 

This regulatory evolution underscores the growing recognition that energy storage represents an essential component for renewable energy's large-scale grid integration and the broader transition toward sustainable power systems.

 

The Coopesantos project exemplifies how technological innovation, international cooperation, and strategic policy alignment can converge to address both local energy needs and global climate objectives, potentially serving as a replicable model for renewable energy development across emerging markets.