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Technology
Designed and developed in the UK, Palmer Energy Technology BESS deliver exceptional levelized cost of storage, strong return on investment and leading data security. Our technology is underpinned by Brill Power’s patented BMS technology, Palmer Energy Technology in house developed EMS and world leading system controls.
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(100GWh + energy storage per year)
Battery Inteligence

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At the heart of our technology is advanced battery intelligence, powered by Brill Power. Unlike conventional systems that manage batteries at a high level, our technology provides deep, real-time control over battery performance—enabling safer, more efficient, and longer-lasting energy storage systems.
Brill Power’s patented battery management technology operates at a far more granular level than traditional systems. By intelligently controlling the flow of energy across individual battery modules, it ensures each part of the system operates optimally—rather than being limited by its weakest components.
This active approach to battery management allows systems to maintain consistent performance over time, even as cells degrade at different rates.
In conventional battery systems, performance is constrained by imbalance and degradation, leading to reduced efficiency, lower usable capacity, and shorter system life. Our battery intelligence solves these challenges by dynamically balancing the system in real time.
This results in improved round-trip efficiency, increased usable energy, and significantly extended asset lifespan—enhancing both technical performance and financial returns.
By continuously monitoring and controlling battery conditions, our systems enhance safety and reduce operational risk. Faults can be isolated and managed without impacting overall system performance, ensuring higher availability and resilience.
This level of control is particularly critical in large-scale and mission-critical applications, where reliability and uptime are essential.
Our battery intelligence enables a fundamentally different approach to energy storage—one that focuses on long-term performance rather than short-term output. By reducing degradation and maintaining system balance, we ensure assets continue to deliver value across their full lifecycle.
This capability also underpins advanced service offerings, including extended warranties and performance guarantees, giving customers greater confidence and certainty in their investment.
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Patented battery management technology from Brill Power
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Real-time control at module level for optimal performance
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Increased usable capacity and improved system efficiency
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Reduced degradation and extended battery lifespan
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Enhanced safety through continuous monitoring and fault isolation
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Enables long-term performance guarantees and asset optimisation
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Energy Storage Systems

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Our Energy Storage Systems are designed to deliver high-performance, reliable, and scalable energy solutions for a wide range of applications. Combining advanced engineering with intelligent control, we provide systems that maximise efficiency, ensure resilience, and perform consistently over their full operational life.
We design and deliver fully integrated Battery Energy Storage Systems (BESS) tailored to each application—from commercial and industrial sites to large-scale infrastructure and grid networks. Every system is engineered to meet specific performance requirements, ensuring optimal sizing, configuration, and operational efficiency.
Our modular approach enables flexible deployment, allowing systems to scale as energy demands grow or evolve over time.
Our systems are built to provide dependable performance in even the most demanding environments. By combining high-quality components with advanced control strategies, we ensure consistent output, high availability, and minimal downtime.
This focus on reliability is critical for applications such as data centres, EV charging infrastructure, and grid support, where uninterrupted power is essential.
Our Energy Storage Systems are designed to support a wide range of use cases, including peak shaving, load shifting, backup power, renewable integration, and grid services. This flexibility ensures that systems can adapt to changing energy profiles and market conditions.
Whether deployed as standalone assets or integrated into broader energy systems, our solutions are built to deliver maximum operational and commercial value.
We design our systems with long-term performance in mind. From initial deployment through to ongoing operation, our focus is on maintaining efficiency, minimising degradation, and optimising performance over time.
Combined with advanced monitoring and maintenance strategies, this ensures our systems continue to deliver value well beyond installation—supporting strong return on investment and long-term reliability.
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Fully integrated, application-specific BESS solutions
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Modular and scalable system architecture
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High availability and reliability for mission-critical applications
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Designed for multiple use cases and revenue streams
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Optimised for long-term performance and lifecycle value
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Seamless integration with wider energy systems
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Power Electronics

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Our power electronics systems provide the critical link between battery storage and real-world energy applications—ensuring energy is efficiently converted, controlled, and delivered where and when it is needed. Designed and developed in the UK, our DC/DC power electronics and battery management systems form the foundation of high-performance, intelligent energy storage.
At the heart of our systems are advanced DC/DC converters and battery management electronics, developed by Brill Power in the UK. These components enable precise control of energy flow within the system, allowing batteries to operate more efficiently and consistently under varying conditions.
This level of control ensures optimal energy utilisation, reduces losses, and supports the advanced battery intelligence that underpins our overall system performance.
High-quality power electronics are essential for maximising system efficiency. Our technology ensures that energy is converted with minimal losses, improving overall round-trip efficiency and increasing the usable energy available from the system.
By actively managing how energy moves between battery modules and external systems, we enable smoother operation, improved stability, and enhanced performance across a wide range of applications.
All of our power electronics, battery management systems, and control software are designed and developed in the UK. This ensures full control over system architecture, cybersecurity, and performance optimisation, while enabling rapid innovation and continuous improvement.
Our in-house development capability allows us to tailor solutions precisely to customer requirements, ensuring each system is optimised for its specific use case.
Our power electronics are engineered for reliability in demanding, real-world environments. Designed to integrate seamlessly with wider energy systems—including grid connections, renewables, and EV infrastructure—they provide stable, responsive operation under all conditions.
This robust and flexible architecture ensures our systems can support both current and future energy requirements with confidence.
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UK-designed DC/DC power electronics and battery management systems
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Precision control of energy flow for optimal system performance
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High-efficiency energy conversion with minimal losses
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Fully integrated hardware and software stack
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Enhanced system stability and operational flexibility
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Designed for seamless integration with wider energy infrastructure
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System Architecture & Integration

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Our system architecture is designed to bring together battery intelligence, power electronics, and energy storage systems into a fully integrated, high-performance solution. By combining advanced hardware with intelligent software platforms—including Brill Analytics and Energy Management Systems (EMS)—we ensure every component works seamlessly to maximise efficiency, reliability, and overall system value.
Unlike conventional approaches where components are sourced and integrated separately, we design our systems as a complete, unified architecture. This ensures that battery management, power electronics, and system controls are fully aligned from the outset.
This integrated approach reduces complexity, improves performance, and eliminates many of the inefficiencies and risks associated with fragmented energy systems.
Our systems are engineered to integrate smoothly with a wide range of external infrastructure, including grid networks, renewable generation, EV charging systems, and backup power solutions.
This flexibility allows us to support diverse applications while ensuring stable, reliable operation across all energy flows—whether importing, exporting, storing, or distributing power.
At the core of our system-level intelligence are Brill Analytics and advanced Energy Management Systems (EMS). These platforms provide real-time visibility and control across all energy assets, enabling data-driven optimisation of performance, efficiency, and cost.
By continuously analysing system data, we can dynamically adjust how energy is stored, dispatched, and utilised—ensuring optimal operation based on demand, pricing signals, and operational priorities. This transforms energy storage from a passive asset into an actively managed system that delivers ongoing value.
Our architecture is built to scale and evolve. Whether expanding capacity, integrating new technologies, or adapting to changing energy requirements, our systems remain flexible and future-ready.
This ensures customers can continue to optimise performance and extract value as their energy needs grow and the wider energy landscape evolves.
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Fully integrated system architecture across hardware and software
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Brill Analytics for real-time insights and performance optimisation
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Advanced EMS for intelligent energy control and dispatch
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Seamless integration with grid, renewables, and infrastructure
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Reduced complexity through unified system design
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Scalable and future-ready platform
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Single, accountable integration partner
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