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BESS EPC

Bankable Energy Storage. Deployed at Scale.

Qcells provides fully integrated, utility-scale Battery Energy Storage System (BESS) solutions. Through our strategic partnership with tier-1 vendors for BESS and our proven EPC capabilities, we deliver financially stable, turnkey projects that enhance grid stability and maximize revenue. From design to long-term operation, we are your single point of accountability.

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5.1 GWh BESS EPC Track Record

Our proven experience in deploying large-scale energy storage projects in the U.S.

ESS Battery

20+ GWh Global BESS Deployed

Backed by the extensive track record of our partner, LG Energy Solution.

ESS Recycle

6,000+ Cycle Life

Best-in-class technology with high energy density and a long lifecycle.

tier 1 bankability

Tier 1 Bankability

A fully bankable BESS solution critical for securing project financing.

The Power of Partnership: Qcells & Tier 1 Vendors

Our BESS offering combines Qcells’ EPC excellence with top battery suppliers’ world-class battery technology. This strategic partnership provides a U.S.-made, fully integrated solution with a multi-year supply agreement, ensuring price stability, lowered tariff risk, and priority access to proven technology.

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Atlas BESS

Project Spotlight

The Atlas BESS Project

The Atlas project in La Paz County, Arizona, is one of the largest BESS projects in the United States. This flagship project, supplying capacity to CAISO, demonstrates our full turnkey EPC capabilities in delivering critical grid infrastructure.

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