Full-wrap energy storage systems engineered around project needs FlexGen is your single point of accountability to design, procure, integrate, commission, and manage battery energy storage systems (BESS) with HybridOS software and lifecycle services. Talk to an Expert Tailor projects through multi-vendor hardware expertise FlexGen delivers best-fit hardware coupled with vertical system supply, software, and services under one contract. Site-level guarantees Beyond OEM component guarantees, FlexGen ensures power capacity, energy capacity, and round trip efficiency at the site-level. Speed up asset readiness via lab-validated commissioning Every system is lab-validated and pre-configured before it ships, ready for One-Touch Commissioning™ across cold, warm, hot, and market qualification phases. Guided system design and delivery Plan and execute hardware supply with confidence Access global supply through established OEM relationships and pre-negotiated agreements. Our bankability and experience ensure timely, end-to-end battery and PCS procurement with gap-less scope and contracts. Site-specific use case analysis for BESS sizing, configuration, and controls Pre-negotiated access to global supply chains with the safety and security of domestic controls Accelerated utility interconnection, permitting, and bank approval Full-scope project execution, including project management, vendor coordination, logistics, and reporting Hear from FlexGen application engineering leadership and supply chain leadership on what makes us different. Predictable integration, commissioning, and qualification Deploy with certainty FlexGen's Innovation Lab eliminates failure points before they reach the field. Traditional commissioning sequences stretch projects to 180 days or more. FlexGen's One-Touch Commissioning™ process has reduced the full sequence to as little as 2 weeks. Physical hardware testing before field deployment Vertical HybridOS™ software pre-integration Virtual Modbus testing Cold, warm, and hot commissioning Market qualification testing and on-site operational training Software-Driven Availability Maximize uptime and minimize downtime HybridOS™ is a powerful combination of controls software, detailed analytics, and rich data access. With the power to triage and deliver, minimizing the impact of small faults and alarms while maintaining equipment safety. Automated continuity controls Block-level stabilization minimizes stranded energy Remote maintenance actions Proprietary State-of-Charge tracking Predictive diagnostics for early detection of problems Monitoring, Maintenance, and Warranty Services Reduce multi-vendor risk with single point of accountability FlexGen offers significant geographic breadth and Approved Service Provider (ASP) status. Guided by 24/7 remote operations center teammates, FlexGen's lifecycle management teams bring leading response times and a solution-focused mentality to battery, solar, and hybrid projects. 24/7 Remote Operations Center (ROC) Performance management Preventative and corrective maintenance from field service teams Back-to-back OEM performance guarantees Trusted by OEMs 17 years of experience across energy markets 200+ Projects completed. Serving customers with unique needs including developers, IPPs, EPCs, utilities, munis, co-ops, data centers and more. 25+ GWh completed and under contract. That’s enough storage capacity to provide electricity to 5 million average U.S. homes for 4 hours. 10+ Countries with active and contracted deployments. FlexGen supports a variety of energy projects across all 10 U.S. markets and internationally. 80+ Validated battery and PCS configurations. Every hardware combination is tested against HybridOS™ before it reaches your site — so you get proven performance, not field surprises. Ready to get your system online? FlexGen takes energy projects from concept to powered-on faster than the industry average. Talk to an Expert Frequently Asked Questions What does FlexGen's full energy storage offering cover? From initial use case design and hardware sourcing through lab integration, commissioning, and lifecycle field service, all under one contract and one point of accountability. FlexGen can engage at any stage of your project and build a modular solution to meet your site’s priorities. Does FlexGen work across vendors? Yes. FlexGen brings multi-vendor expertise across battery, PCS, and BOS suppliers, including FEOC-compliant options, and applies a point of view on the right fit for your use case, market, and incentive structure. What happens in FlexGen’s Innovation Lab? DC and AC assets are tested in the physical environment, then HybridOS™ software is integrated, and the use case is scaled in a virtual environment. This eliminates the most common field commissioning delays before they happen. What is One-Touch Commissioning™? One-Touch Commissioning™ is FlexGen's proprietary commissioning process which gets sites online 90 days faster than the industry average and to first revenue 170 days sooner. It ensures that controllers shipped are fully lab-tested and ready for implementation, allowing site operators to commission and energize the system with a streamlined approach that minimizes downtime and gets you to first revenue faster. Can FlexGen support energy projects that are already underway? With what level of support? Yes. FlexGen's 16 years of experience means the team can engage at any point in the project cycle. We can take on full project management from vendor coordination and logistics to reporting and communication, so you have one point of contact and one point of accountability for the entire scope. Does FlexGen offer lifecycle management after commissioning? Yes. FlexGen's lifecycle management services cover energy assets from first dispatch through end-of-life, including 24/7 remote monitoring, performance management, regional field support, and OEM warranty management. What warranties are included in FlexGen's system supply agreement? Every system supply engagement includes standard equipment warranties from the date of shipment. EMS hardware is covered for 1 yearBatteries are covered for 3 yearsPCS is covered for 5 years Extended warranty options are available for purchase.
