Prevalon launches HD5 AC battery storage system

By AI, Created 3:10 PM UTC, May 20, 2026, /AGP/ – Prevalon Energy launched the HD5 AC, a factory-integrated AC battery energy storage system aimed at cutting installed costs and speeding utility-scale deployment. The company says the new platform reduces field work, improves safety, and extends its storage lineup for developers, utilities, hyperscalers, and independent power producers.

Why it matters: - Prevalon Energy is targeting one of the biggest pain points in utility-scale battery storage: project delays, field complexity, and rising installation costs. - The HD5 AC is designed to make energy storage faster to build, easier to commission, and safer to operate at grid scale. - The platform also broadens Prevalon’s product lineup for customers that need different storage architectures for different projects.

What happened: - Prevalon Energy announced the launch of HD5 AC on May 26, 2026. - The new system is a next-generation AC battery energy storage system for utility-scale BESS projects. - The launch took place in Heathrow, Florida. - The HD5 AC joins the HD5 DC and the Hybrid Power Stabilizer as part of the Prevalon Energy Storage Platform. - The platform is aimed at developers, utilities, hyperscalers, and independent power producers.

The details: - The HD5 AC integrates power conversion, controls, thermal management, and safety systems at the factory. - The system arrives on site ready to connect and commission. - Prevalon says the design reduces field labor, limits installation scope, and improves schedule certainty. - The AC architecture removes high-voltage DC field cabling. - The design reduces trenching to a single connection point. - The system supports a plug-and-play installation approach. - The HD5 AC uses self-powered auxiliary systems. - The platform can be energized using stored battery power, which reduces dependence on grid readiness. - The system uses a distributed string architecture. - Faults are isolated to 500 kW blocks. - Rapid component replacement is supported, which helps reduce downtime. - Integrated thermal management is designed to support consistent battery performance during commissioning delays or phased builds. - The system reduces available short-circuit current by up to 10x versus conventional architectures. - That lower short-circuit current is intended to reduce arc-flash risk and simplify protection design. - The HD5 AC includes advanced ventilation, detection, and fire protection systems aligned with evolving industry standards. - The platform maintains a low acoustic profile without additional noise mitigation. - The modular architecture supports a range of durations and applications, including grid-scale storage, renewable integration, and data center power. - The design aims to maximize site-level energy density and reduce land use requirements. - HD5 AC integrates with insightOS, Prevalon’s utility-grade energy management system. - insightOS provides real-time visibility, intelligent control, and a cybersecure architecture for grid-critical assets.

Between the lines: - The launch shows Prevalon leaning into factory integration as a way to shift risk from the construction site to the manufacturing environment. - The emphasis on commissioning without grid readiness suggests the company is trying to remove a common bottleneck for storage projects. - The product positioning points to a market where owners want both standardized deployment and flexibility across use cases. - Tom Cornell, Prevalon Energy’s president and CEO, said the company is moving complexity out of the field and into the factory to lower installation costs and reduce execution risk. - Alejandro Schnakofsky, Prevalon Energy’s chief technology officer, said the design is meant to improve field performance, control, and serviceability over the asset life.

What’s next: - Prevalon will likely market the HD5 AC to projects that prioritize faster deployment, lower installed cost, and reduced operational risk. - The company says the system is part of its broader commitment to provide a fully integrated energy storage solution backed by a single partner across the project lifecycle. - Prevalon says it has deployed more than 35 projects and over 6 GWh of utility-scale battery storage globally.