{"product_id":"tigo-tsi-11-4k-us-ei-hybrid-solar-inverter","title":"Tigo Energy TSI-11.4K-US EI 11.4kW Hybrid Solar Inverter – WiFi\/Ethernet","description":"\u003ch2\u003eIntelligent Solar, Storage \u0026amp; Energy Management in One Platform\u003c\/h2\u003e\n\u003cp\u003eBuild a flexible residential solar and energy-storage system around the \u003cstrong\u003eTigo Energy TSI-11.4K-US EI Hybrid Solar Inverter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDelivering \u003cstrong\u003e11.4kW of single-phase AC output\u003c\/strong\u003e, the TSI-11.4K-US serves as the intelligent center of the Tigo Energy Intelligence (EI) ecosystem, managing solar generation while providing a path to compatible Tigo battery storage and backup-power configurations.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003eup to 200% DC oversizing, multiple MPPTs, a low 50V startup voltage, integrated revenue-grade metering, Wi-Fi and Ethernet connectivity, and a NEMA 4X enclosure\u003c\/strong\u003e, the inverter gives solar professionals a flexible platform for modern residential energy systems.\u003c\/p\u003e\n\u003ch2\u003e11.4kW Hybrid Solar Inverter\u003c\/h2\u003e\n\u003cp\u003eThe TSI-11.4K-US provides \u003cstrong\u003e11.4kW AC output\u003c\/strong\u003e in a single-phase hybrid inverter platform.\u003c\/p\u003e\n\u003cp\u003eUse it as the foundation of a grid-connected solar installation or integrate compatible components from the Tigo EI ecosystem to build a more comprehensive solar-plus-storage system.\u003c\/p\u003e\n\u003cp\u003eThe hybrid architecture gives homeowners the ability to plan around today's solar needs while maintaining a pathway toward compatible battery storage.\u003c\/p\u003e\n\u003ch2\u003eUp to 200% DC Oversizing\u003c\/h2\u003e\n\u003cp\u003eSolar-array design doesn't always need to match inverter AC output one-for-one.\u003c\/p\u003e\n\u003cp\u003eThe Tigo EI inverter supports a \u003cstrong\u003eDC\/AC ratio up to 2:1\u003c\/strong\u003e, allowing up to 200% DC oversizing where system design and applicable requirements permit.\u003c\/p\u003e\n\u003cp\u003eThat additional flexibility gives qualified solar designers more options when sizing arrays around site conditions, solar production patterns, energy consumption, and storage objectives.\u003c\/p\u003e\n\u003ch2\u003eMultiple MPPTs for Complex Solar Arrays\u003c\/h2\u003e\n\u003cp\u003eNot every roof faces one direction.\u003c\/p\u003e\n\u003cp\u003eDifferent roof planes, orientations, and array configurations can create additional design challenges for residential solar systems.\u003c\/p\u003e\n\u003cp\u003eThe Tigo TSI-11.4K-US incorporates \u003cstrong\u003emultiple Maximum Power Point Trackers (MPPTs)\u003c\/strong\u003e to help manage compatible PV array configurations across different input conditions.\u003c\/p\u003e\n\u003cp\u003eThis provides greater design flexibility for properties where solar modules may need to be distributed across multiple roof surfaces.\u003c\/p\u003e\n\u003ch2\u003eLow 50V Startup Voltage\u003c\/h2\u003e\n\u003cp\u003eThe inverter features a \u003cstrong\u003e50V startup voltage\u003c\/strong\u003e, allowing compatible PV configurations to begin inverter operation at a relatively low DC voltage.\u003c\/p\u003e\n\u003cp\u003eActual daily solar production depends on array design, module specifications, shading, weather, orientation, system configuration, and numerous other factors.\u003c\/p\u003e\n\u003ch2\u003eIntegrated Revenue-Grade Metering\u003c\/h2\u003e\n\u003cp\u003eThe TSI-11.4K-US incorporates \u003cstrong\u003erevenue-grade metering\u003c\/strong\u003e, supporting detailed energy measurement within the Tigo EI platform.\u003c\/p\u003e\n\u003cp\u003eThis gives homeowners and solar professionals greater visibility into system performance without building the monitoring strategy around a collection of unrelated products.\u003c\/p\u003e\n\u003ch2\u003eBuilt-In Wi-Fi \u0026amp; Ethernet\u003c\/h2\u003e\n\u003cp\u003eStay connected to system information through built-in \u003cstrong\u003eWi-Fi and Ethernet communications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe connected architecture supports Tigo's monitoring and energy-management ecosystem, while optional cellular connectivity may be available for applicable configurations.\u003c\/p\u003e\n\u003ch2\u003eTigo TS4 Integration\u003c\/h2\u003e\n\u003cp\u003eThe EI inverter is designed to work within Tigo's broader solar ecosystem, including compatible \u003cstrong\u003eTigo TS4 module-level power electronics (MLPE)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhen appropriately configured with compatible TS4 equipment, systems can incorporate features such as \u003cstrong\u003emodule-level monitoring, optimization, and rapid shutdown functionality\u003c\/strong\u003e, depending on the specific TS4 devices selected.\u003c\/p\u003e\n\u003cp\u003eImportantly, Tigo optimizers are not required simply to operate the inverter.\u003c\/p\u003e\n\u003cp\u003eSystems without module-level equipment can still operate with monitoring functionality appropriate to the installed configuration.\u003c\/p\u003e\n\u003ch2\u003eBattery-Ready with Tigo TSB Batteries\u003c\/h2\u003e\n\u003cp\u003ePlanning to add battery storage?\u003c\/p\u003e\n\u003cp\u003eThe TSI-11.4K-US is designed for integration with compatible \u003cstrong\u003eTigo TSB battery equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSupported configurations can incorporate Tigo battery storage to retain solar energy for later use, expanding the system beyond immediate solar production.\u003c\/p\u003e\n\u003cp\u003eBattery quantity and configuration must follow Tigo's compatibility and installation requirements.\u003c\/p\u003e\n\u003ch2\u003eAdd Backup Power with Compatible Tigo Equipment\u003c\/h2\u003e\n\u003cp\u003eA hybrid inverter alone should not be confused with a complete backup-power system.\u003c\/p\u003e\n\u003cp\u003eFor supported outage-backup functionality, the Tigo EI system requires the appropriate \u003cstrong\u003eTigo battery and automatic transfer equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhen properly designed and installed with compatible components, the system can transition from normal grid-connected operation to supported backup operation during a utility outage.\u003c\/p\u003e\n\u003cp\u003eAvailable backup duration and load capability depend on battery capacity, inverter capacity, household demand, system design, and other installation-specific factors.\u003c\/p\u003e\n\u003ch2\u003eIntegrated Safety Features\u003c\/h2\u003e\n\u003cp\u003eThe Tigo EI platform incorporates several features designed around modern solar-system safety and control.\u003c\/p\u003e\n\u003cp\u003eDepending on the complete system configuration, features include integrated \u003cstrong\u003eCCA and RSS functionality, emergency-stop capability, anti-islanding protection, and compatibility with Tigo rapid-shutdown equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRapid shutdown functionality requires the appropriate compatible module-level equipment and system configuration.\u003c\/p\u003e\n\u003ch2\u003eIndoor or Outdoor Installation\u003c\/h2\u003e\n\u003cp\u003eThe inverter features a \u003cstrong\u003eNEMA 4X \/ IP65-rated enclosure\u003c\/strong\u003e, making it suitable for appropriate indoor or outdoor installation locations when installed according to Tigo requirements.\u003c\/p\u003e\n\u003cp\u003eAt approximately \u003cstrong\u003e45 lbs.\u003c\/strong\u003e, the inverter also maintains a relatively manageable form factor for professional installation.\u003c\/p\u003e\n\u003ch2\u003eDesigned for the Tigo Energy Intelligence Ecosystem\u003c\/h2\u003e\n\u003cp\u003eOne of the biggest advantages of the TSI-11.4K-US is that it isn't designed as an isolated component.\u003c\/p\u003e\n\u003cp\u003eIt can serve as part of a broader Tigo EI system incorporating:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSolar PV generation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTigo TS4 module-level electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible Tigo TSB battery storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTigo automatic transfer equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystem monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy management\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRapid shutdown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBackup-power configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWi-Fi and Ethernet communications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTigo EI App commissioning and management\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e11.4kW AC output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSingle-phase hybrid inverter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 2:1 DC\/AC ratio\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 200% DC oversizing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple MPPT architecture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e50V startup voltage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated revenue-grade metering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in Wi-Fi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in Ethernet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional cellular connectivity for applicable 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