Solis

Solis & SolisStorage – Corporate Introduction Solis (Ginlong Technologies, Shenzhen Stock Exchange: 300763) was founded in 2005 and is one of the world's leading solar inverter manufacturers and energy storage solution providers. The company delivers smart, reliable clean energy solutions across residential, commercial & industrial (C&I), and utility-scale applications, helping customers around the world manage and optimise energy more efficiently. Listed on the Shenzhen Stock Exchange in 2019, Solis is recognised globally for its innovation, product reliability, and long-term commitment to renewable energy development. The company ranks among the world's top inverter manufacturers and has been named a “Top Inverter Brand” by EuPD Research for eleven consecutive years. Solis was also the first inverter manufacturer globally to receive a reliability test report from PVEL. Driven by strong in-house research and development capabilities, Solis continues to invest heavily in next-generation solar and energy storage technologies. Its products have evolved through seven generations of inverter technology, supported by advanced R&D platforms, national research centres, and strategic collaborations with leading universities and scientific institutions. Today, Solis products are used in more than 100 countries and regions worldwide, supported by a growing global network of offices and technical service centres across Europe, the Americas, Asia-Pacific, Africa, and beyond. With a focus on quality, innovation, and customer support, the company continues to accelerate the transition towards smarter, cleaner energy systems worldwide. SolisStorage is a global provider of energy storage system solutions and the dedicated energy storage subsidiary of Solis (Ginlong Technologies) (Stock Code: 300763.SZ). More than two decades of expertise in power electronics and a strong foundation as one of the world's leading photovoltaic inverter manufacturers underpin SolisStorage’s technology development. The company focuses on the independent development of core energy storage technologies, with strong capabilities across PCS, EMS, and system integration enabling complete energy storage solutions. The portfolio spans residential energy storage, commercial and industrial (C&I) systems, and utility-scale applications. Solutions are deployed in more than 100 countries and regions, operating reliably across diverse grid conditions and challenging climates. Reliability, integration, and performance sit at the centre of system design, supporting practical energy storage solutions for applications worldwide. Aligned with the group’s rigorous quality standards and global service network, SolisStorage addresses the evolving requirements of the C&I sector. Strong technical expertise and extensive project experience support businesses in reducing energy costs, improving operational efficiency, and accelerating the transition toward low-carbon operations. As the global energy transition accelerates, continued investment in power electronics technology is combined with intelligent algorithms and digital energy management. The ambition is clear: to become a trusted leader in the global energy storage industry—recognised for technological innovation, deep application expertise, and reliable delivery—supporting modern power systems and creating long-term value for customers worldwide. Solis Experts in Energy Storage Solutions / With 20 years of experience across 100+ countries, Solis understands the evolving demands of energy storage across diverse applications. Built on expertise in power electronics and advanced system integration, Solis combines solar, storage, diesel, load, and intelligent energy management to deliver reliable solutions for a smarter energy future. SolisStorage EverCore ESS Advantages 1. AC-DC Separation Architecture EverCore's solution: physical separation of AC and DC, fully decoupling the hybrid energy storage inverter (AC side) from the battery cabinet (DC side), with each component in its dedicated space. This architectural innovation delivers three distinct advantages: (1) Thermal separation improves cell temperature uniformity EverCore's external inverter, the 6kW of power heat is directly dissipated into the ambient environment, leaving only 3.5kW of electrochemical heat to be managed inside the battery cabinet. This allows EverCore to achieve temperature uniformity close to that of liquid-cooled solutions while retaining an air-cooled design — the essence of thermal management: reducing heat generation is far more efficient than improving heat dissipation capacity. (2) Protection separation substantially raises IP ratings As an independent unit, EverCore’s hybrid energy storage inverter achieves the industry’s highest IP66 protection rating (dust-tight, protected against powerful water jets), with the battery cabinet maintaining IP55. Drawing on 20 years of power electronics experience, we have concluded that this separated protection design reduces the system’s full-lifecycle failure rate by 50%. (3) Structural separation enables flexible DC-side expansion EverCore supports independent DC-side expansion, with a single inverter capable of connecting up to 6 battery cabinets in parallel. This enables linear expansion of storage capacity without additional inverter investment, reducing system expansion costs by approximately 10%. This design offers exceptional financial value for industrial and commercial customers with limited initial investment budgets who need phased construction. 2. 125kW Hybrid Energy Storage Inverter EverCore’s solution is thorough system integration: the 50–125kW hybrid energy storage inverter integrates PCS (power conversion system) + STS (static transfer switch) + PV inverter + circuit breaker protection + EMS (energy management system) into one unit. With a single-unit power rating of 125kW, EverCore’s hybrid inverter boasts the highest power density in its class in the industry. The practical value of this integrated architecture is reflected in three aspects: First, it achieves seamless grid-tied / off-grid switching in less than 10ms without an external STS, meeting strict power quality requirements for precision industrial equipment. Second, it eliminates the need for an external PV inverter, supporting both DC and AC coupling for existing PV systems, and allows a PV over-sizing ratio of up to 200%, fully unlocking the utilization potential of green energy assets. Third, it removes the need for an external grid cabinet; up to 6 EverCore units can be connected in parallel for direct grid connection, significantly simplifying construction procedures. In terms of control architecture, traditional systems feature independent CPUs for BMS, PCS, EMS, and STS, forming a “multi-brain” distributed control topology. Multi-node communication links introduce protocol compatibility and latency risks, while troubleshooting requires joint involvement from multiple manufacturers, greatly increasing operational complexity. EverCore adopts a single central controller (single-CPU centralized management), scheduling the entire system through a unified control core. This drastically reduces failure points and significantly improves fault location and response speed — a direct contribution of architectural simplicity to engineering reliability. 3. The Comeback of Air Cooling EverCore retains an air-cooled design for 125kW/261kWh C&I energy storage systems and has proven its feasibility with engineering data. Its core breakthrough lies in an independent three-air-duct design: combining a patented diversion air duct for the hybrid energy storage inverter with Coanda Effect airflow attachment technology on the surface of battery packs. This allows cooling airflow to adhere evenly to curved surfaces, greatly improving air penetration density and heat exchange efficiency. This thermal management technology combination boosts system heat dissipation efficiency by 30% compared to traditional air cooling, successfully breaking the industry stereotype that “large-capacity cells must rely on liquid cooling.” In addition, paired with IP66/IP55 high protection ratings and C4-grade anti-corrosion coating standards, EverCore operates stably in extreme temperatures ranging from -25°C to 55°C and at altitudes up to 4,000 meters, covering all climate profiles from the high-temperature deserts of the Middle East to the extreme cold of Europe. 4. Ultra-Simplified O&M Platform C&I energy storage projects typically have an asset lifecycle of 10 to 15 years, and upfront capital expenditure (CAPEX) is just the tip of the iceberg. Most owners rigorously compare initial quotes during project approval but systematically underestimate how lifecycle operating and maintenance (OPEX) costs erode project IRR. EverCore’s maintainability design represents a dimensionality-reduced advantage over traditional liquid-cooled solutions. The difference can be seen in a set of intuitive data comparisons: Based on industry experience, over the full project lifecycle, EverCore saves customers approximately €9,500 per unit in O&M costs by eliminating liquid cooling fluid replacement (€2,500 saved), simplifying PCS replacement (€1,500 saved), simplifying pack replacement (€1,500 saved), and reducing routine inspection complexity (€4,000 saved). Furthermore, EverCore’s component selection reflects extreme control over maintenance costs: ● Minebea cooling fans: Industrial-grade precision motor brand with 10-year maintenance-free performance and an MTBF (mean time between failures) far above industry averages. ● Honeywell industrial-grade flammable gas detectors: 10-year calibration-free performance, eliminating the hidden annual calibration costs of traditional gas sensors. This full-chain O&M simplification logic — from component selection to system architecture — demonstrates not only cost awareness but also systematic thinking about full-lifecycle asset value. 5. Safety Protection and Battery Cells Safety is the lifeline of C&I energy storage systems and a core factor in securing insurance underwriting and owner trust. EverCore has built a 15-layer, three-dimensional fortress protection system spanning the cell, battery pack, and system levels. For physical isolation, thermal insulation materials resistant to 1,000°C are used between packs to block the lateral spread of thermal runaway at the source. For fire suppression, a three-stage progressive fire-fighting mechanism is implemented: pack-level aerosol, cabinet-level aerosol, and fire-fighting water channels, ensuring targeted intervention at different stages of thermal events. Cell selection forms the foundation of the entire safety system. EverCore uses A-grade 314Ah LFP cells custom-developed for C&I applications by a top-tier cell manufacturer. Compared to the 280Ah standard cells still widely used in the industry, it offers two key performance advantages: Ultra-low internal resistance Internal resistance is only 0.15±0.05mΩ, lower than the 0.17mΩ of standard 280Ah cells. Every 10% reduction in internal resistance reduces charge-discharge heat generation by approximately 20%, directly lowering thermal runaway risk at the electrochemical source — the most fundamental path to thermal safety management. Ultra-long cycle life At 0.5C charge-discharge rate, it achieves 8,000 cycles (remaining capacity ≥70%), a roughly 14% improvement over the 7,000 cycles of traditional 280Ah cells. Based on 500 charge-discharge cycles per year, this extends the system’s economic lifecycle from approximately 14 years to 16 years — a long-term contribution to project IRR that cannot be underestimated. 6. Open Software Ecosystem In mature electricity markets such as Europe, the profit model of C&I energy storage has evolved from basic peak-valley arbitrage to a multi-dimensional revenue model including grid ancillary services (FCR/aFRR/mFRR), demand response, and virtual power plant (VPP) dispatch. This requires energy storage systems to have strong software ecosystem openness and third-party platform compatibility — closed hardware islands are worthless in open electricity markets. Leveraging long-term operation experience across more than 300,000 energy storage sites worldwide, Solis has built a highly open software ecosystem for EverCore. To date, EverCore has been connected or is in the process of connecting with 102 third-party VPP/EMS operators across 11 European countries. Representative market integration cases: ● UK market: Integrating with the Kraken energy management platform under Octopus Energy, the largest energy retailer. ● Nordic market: Connected to mainstream aggregator platforms such as Check Watt. ● German-speaking region & Benelux: Connected to dozens of local EMS providers, achieving deep localized ecosystem coverage. This extensive ecosystem compatibility allows EverCore users to seamlessly participate in local electricity spot markets, expanding arbitrage windows from simple intraday peak-valley spreads to multi-product market trading revenues. For AI scheduling, Solis' self-developed Solis AI Cloud Platform has been deployed at more than 5,500 energy storage power stations worldwide. By integrating Nordpool (wholesale electricity price data) and Flatpeak (retail electricity price data), the platform builds a multi-source electricity price forecasting model, enabling minute-level dynamic optimization of charge-discharge strategies. A compelling real-world case: at a residential storage project in Latvia, Solis AI optimization increased annual electricity bill savings by 302.6%. Behind this figure is the systematic amplification of hardware value by software value. III. In Closing: May All Light Be Used to Its Fullest EverCore's design mission is to transport energy to the right time and place in a simple and reliable manner. I would add to this: EverCore carries the most sophisticated software algorithms on the simplest physical architecture — and this is precisely the highest form of evolution for modern energy storage products. The ultimate form of business competition is often simplification from complexity. Through AC-DC separation and adherence to air cooling, EverCore eliminates the most failure-prone engineering redundancies in C&I energy storage systems. This courageous return to fundamentals is, in essence, a reflection of Solis’ deep confidence in its technical foundation: daring to simplify hardware because we have invested heavily in software algorithms, VPP ecosystems, and thermal management models. Finally, we would like to say: Solis' English name, Solis, means “sun” in Latin. As an inverter manufacturer, Solis accompanies users from sunrise to sunset. With energy storage, Solis has completed the closed loop of all-weather energy management. May all light be used to its fullest. May every decisive transformation lead to a stunning breakthrough.