Sigenergy Technology Co.

SigenStor – AI-Powered Integrated Energy Storage System

Renewable Energy Sector · Battery Energy Storage (BESS)

SigenStor is an integrated energy storage system combining inverter, battery storage, energy management, and EV charging.

• AI-powered energy optimisation
• Modular and scalable design
• Integrated EV charging capability
• Intelligent energy management platform

SigenStack – Modular Commercial Battery Energy Storage System

Renewable Energy Sector · Battery Energy Storage (BESS)

SigenStack provides scalable commercial battery storage designed for flexible deployment.

• Modular stackable architecture
• Pack-level safety protection
• Smart air cooling system
• Plug-and-play installation

Sigen Hybrid Inverter

Renewable energy · Battery storage

Hybrid inverter supporting solar generation and battery integration.

• Ultra-high efficiency up to 99%
• Fan-less design for silent operation
• Battery-ready integration
• IP66 protection rating

Sigenergy EV DC Charger

Renewable energy · Battery storage

Bi-directional DC EV charger enabling fast charging and energy integration.

• Vehicle-to-Grid and Vehicle-to-Home support
• Fast charging capability
• Integrated energy management system
• Cloud monitoring and smart control

On-grid PV+ESS System

Energy Management

In scenarios with a stable grid power supply, the system intelligently optimizes energy utilization to maximize solar self-consumption and user benefits. When solar generation is abundant, excess energy is stored in the battery. When solar power becomes insufficient, the system seamlessly discharges the battery to power the loads, ensuring efficient energy management and enhanced economic returns. Equipped with an integrated Energy Management System (EMS),

• Sigenergy solution adopts a true DC-coupled architecture, maximizing energy conversion efficiency while significantly optimizing CAPEX (capital expenditures), slashing O&M cost, and enhancing system efficiency
• Sigenergy solution supports multiple inverters operating in parallel without the need for an external data logger, enabling a simplified system architecture. Featuring a “Battery Ready” inverter
• Multi-unit parallel connection through a gateway enables flexible system scaling from kilowatts to megawatts, supporting a wider range of microgrid sizes
• Sigenergy DC-coupled microgrid solution streamlines system design, improves energy conversion efficiency, and delivers a robust, costeffective, and reliable power solution for your business.

Sigen Energy Gateway

Energy Management

Seamless switchover, ensuring 0ms load-side disruption, Sigen Energy Gateway for SigenStor

• Modular cabinet, effortless side-by-side installation
• Multiple Sigen C&I inverters connections supported for micro-grid system
• Built-in bypass circuit for enhanced system reliability
• Supports diesel generator connection & smart control
• Real-time current monitoring with 100ms zero export
• Seamless switchover, ensuring 0ms load-side disruption

Sigenergy Utility-Scale & Regional Deployments

Solar Plant · Malko Tarnovo, Bulgaria · 2025

In June 2025, Sigenergy successfully completed a 10 MW / 20 MWh utility-scale battery energy storage system (BESS) project at a solar plant in Malko Tarnovo, southern Bulgaria. This deployment uses Sigenergy’s modular C&I (Commercial & Industrial) BESS solution — based on stackable battery units — to provide grid-level energy storage, peak shifting, and market trading capabilities. The project was implemented in partnership with Bulgarian renewable energy developer Trakia MT and was installed using a highly modular stack approach that enabled rapid deployment without the need for cranes or complex foundations.

Outcome: • Operational Readiness: The system reached full operational status within two days of deployment. • Fast Deployment Efficiency: Modular installations eliminate heavy machinery and significantly reduce labour and logistical costs compared to traditional BESS solutions. • Market Participation: With EMS intelligence and market integration capability, the system can buy/store when electricity prices are low and dispatch during high-price periods.

• Modular Stackable BESS Architecture • The Bulgarian system utilised stackable 12 kWh packs that combine to form the full 20 MWh capacity — a departure from conventional containerised systems.
• Rapid Deployment & Plug-and-Play Integration • Modular units required no cranes or heavy foundations, significantly shortening installation time to 10 days and commissioning to 2 days
• Integrated EMS & Real-Time Control • System Energy Management System (EMS) enables intelligent charge/discharge cycles, optimising based on electricity pricing, solar forecast data, and load profiles.
• Grid Services Capability • The Bulgarian system supports grid manipulation and market participation, enabling operators to trade stored energy based on market signals
• Grid Stability & Renewable Integration • The Bulgaria BESS increases grid flexibility, helping absorb solar PV intermittency and smoothing generation peaks.
• Technology Adoption • The project demonstrate real-world viability of modular energy storage systems for C&I and utility-scale use, encouraging broader adoption in emerging markets and Europe alike.

Residential SigenStor Installation 6-Month Performance Report (UK)

UK homeowner · UK · 2025

In April 2025, a UK homeowner had a Sigenergy SigenStor 5-in-One energy storage system installed by Spirit Energy, a UK solar installer. Over the subsequent six months, Spirit Energy tracked its performance and usage patterns, publishing an update in September 2025 to share insights on reliability, energy savings, flexibility, and system behaviour in real residential conditions. The system combined on-site solar power with battery storage and intelligent energy management features, enabling the household to maximise solar self-consumption, perform smart tariff integration, and prepare for future enhancements like backup power.

Solution: • The modular SigenStor design allowed flexible battery sizing and future expansion options with different module capacities. • The system’s multiple MPPT (Maximum Power Point Tracking) inverters (3–12 kW range) accommodated different roof configurations and shading scenarios to optimise solar harvest. • Intelligent EMS and tariff-aware modes (self-consumption or time-of-use optimisation) were used to tailor energy flows to utility pricing and personal usage, saving costs by charging at off-peak hours and discharging when most beneficial.

Outcome: • Effective solar usage: The household used solar electricity directly to power appliances during daylight, with surplus stored in the SigenStor battery for later consumption. • Tariff savings: Smart off-peak charging helped reduce energy bills by aligning battery charging/discharging with low-cost tariff periods. • Stable operation: Across the first six months in the UK’s temperate climate, installations remained stable, and most technical issues were handled remotely via the system app, with no major reliability failures reported.

Sigenergy Bi-Directional DC EV Charger Installation (UK)

UK residential · UK

Totnes Energy, a UK-based renewable energy installer, documented a residential installation of the Sigenergy DC EV Charger as part of its local case study portfolio. The project focused on deploying a DC fast, V2X-ready EV charging solution for a homeowner seeking to integrate electric vehicle charging with an existing or planned solar and energy storage setup. The case highlights real-world installation considerations, charger integration within a domestic environment, and practical EV charging performance under UK residential conditions.

Solution: • Installation of the Sigenergy DC EV Charger, offering high-power DC charging capability suitable for home use. • Integration planning aligned with Sigenergy’s broader energy ecosystem, enabling future linkage to home solar and battery storage. • Professional commissioning and configuration by Totnes Energy to ensure safe operation, correct load management, and user-friendly control. • System setup designed to be V2X-ready, allowing the homeowner to take advantage of Vehicle-to-Home or Vehicle-to-Grid functionality when regulations and vehicle compatibility permit.

Outcome: • Improved charging speed: The homeowner benefited from significantly faster EV charging compared to standard AC home chargers. • Energy system flexibility: The DC charger was positioned as a core component of a future-ready home energy system, capable of integrating solar generation and storage. • High user confidence: Clear installation outcomes and predictable performance reinforced trust in DC charging for residential use. • Demonstrated feasibility: The project showed that DC fast charging is viable and practical in UK homes, not just commercial or public settings.

Boosting Commercial & Industrial Energy Storage ROI with Sigen AI: Real-World Results from China

Commercial & Industrial (C&I) Businesses – Manufacturing & Industrial Facilities · Shandong, Guangdong, and Zhejiang, China

Sigenergy deployed its Sigen AI intelligent energy assistant across three commercial and industrial (C&I) energy storage projects in China to improve the financial performance of solar and battery storage systems. Unlike conventional energy storage systems that rely on fixed charging and discharging schedules, Sigen AI uses predictive analytics, weather forecasting, load forecasting, and real-time optimisation to dynamically manage battery operations. The projects demonstrate how AI-driven energy management can increase revenue, optimise solar self-consumption, reduce grid dependence, and minimise costly peak demand penalties while maximising the return on investment (ROI) from commercial battery storage assets.

Solution: Sigenergy implemented Sigen AI, an intelligent energy management platform that continuously analyses: Solar generation forecasts Building energy consumption Battery State of Charge (SoC) Time-of-Use (ToU) electricity tariffs Weather conditions Grid demand Historical operating data Using predictive intelligence, Sigen AI automatically adjusts charging and discharging strategies to maximise financial returns while maintaining reliable system performance.

Outcome: Sigen AI transforms conventional battery energy storage into an intelligent energy management platform. By combining predictive forecasting, real-time optimisation, and automated decision-making, the solution enables commercial and industrial businesses to maximise renewable energy utilisation, minimise operating costs, and significantly improve the financial return on their solar and battery storage investments.

Global All-in-One DESS (Distributed Energy Storage System) Solution Leadership Award

Frost & Sullivan · Energy Storage · 2025

Sigenergy was honoured with the 2025 Global All-in-One DESS (Distributed Energy Storage System) Solution Leadership Award by Frost & Sullivan — a globally recognised growth strategy and market research firm. This recognition celebrates Sigenergy’s innovation, market impact, and leadership in the all-in-one stackable energy storage sector. According to Frost & Sullivan, Sigenergy’s shipments of stackable DESS units reached 231 MWh across Q1–Q3 2024, translating into a 24.3% market share in the global stackable DESS segment — a significant achievement in a highly competitive landscape.

EUPD Research Top Innovation Awards (2025)

EUPD Research Group · Energy Storage · 2025

Sigenergy Technology Co., Ltd. received the EUPD Research Top Innovation Award 2025 in the Energy Storage category for Europe, South Africa, and Australia — one of the most influential innovation accolades in the renewable energy industry.