BESS solutions
We are a technology supplier and EPC partner specializing in renewable energy and grid-scale Battery Energy Storage Systems (BESS), with project capacities ranging from 10 MWh to 500 MWh. We deliver turnkey BESS solutions that maximize revenue, stabilize grids, and unlock renewable potential.
Our team brings extensive expertise in energy storage engineering, system integration, grid compliance, and long-term asset support across Europe.
The Mobile Storage and EV Charging Container System integrates lithium batteries, Battery Management System, bidirectional Converters, Thermal Management System, Fire Protection System, Electric Vehicle Chargers, and Energy Management System into a container to provide mobile and easily deployed EV charging and energy storage services.
- New generation cell with 530 Ah
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- 20Y@70%SOH
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- Cell first-year degradation less than 4%
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- Long service life with 12000 cycles
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Functions
- Rapid deployment
With strong flexibility, the container can be easily transported and quickly deployed and is suitable for temporary or emergency needs.
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- Plug and play
Reduces installation and debugging time and placed quickly into operation.
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- Relieve the grid power pressure
It can reduce the load pressure on the power grid and achieve peak shaving.
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- Renewable Energy Access
It can be combined with renewable energy sources such as solar and wind power to form an independent microgrid, achieving a green and environmentally friendly power supply.
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- Remote monitoring and management
Through remote monitoring, real-time data monitoring can be achieved to improve operational efficiency.
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Application Scenarios
- Public Charging Stations
- Green farm applications
- Commercial and Industrial Parks
- Remote or Off-Grid Areas
- Uninterruptible Power Supply
Our Core Offerings
Turnkey EPC for BESS
- Full engineering, procurement and construction
- Civil works, electrical installation, HV connection
- Grid integration, SCADA, commissioning and performance testing
- Delivery of ready-to-operate assets
System Technology & Equipment Supply
We deliver complete BESS solutions including:
- Battery containers (CATL based on latest technology)
- PCS/inverters
- Transformers and MV/HV equipment
- EMS, PMS and battery control software (Developed by YES-EU in Europe)
- Fire suppression and safety systems
Project Development Support
- Early-stage layout & sizing
- Grid studies and compliance assessments (including Dynamic FFR readiness)
- CAPEX/OPEX modelling and project finance support
- Permitting and regulatory advisory based on location/country
Long-Term Services (O&M)
- 24/7 monitoring and remote diagnostics
- Preventive and corrective maintenance
- Warranty coordination (we offer always 10 years battery warranty)
- Performance guarantee structures
Typical Project Sizes
- Small: 10–20 MW / 20–40 MWh
- Medium: 30–100 MW / 60–300 MWh
We support both merchant-based and capacity-market-driven business models.
Applications
Our BESS technology supports:
- Frequency Regulation (FCR/NFCR)
- Fast Reserve / Contingency Services
- Renewable Smoothing / Firming
- Peak Shaving & Capacity Management
- Black Start & Grid Support
- Our expertise
- Proven experience with Middle-scale European BESS projects
- Tier-1 battery and PCS suppliers using CATL batteries based on latest technology
- Strong focus on safety, quality, and compliance
- Dedicated engineering and service teams in Europe, we are one of the measure battery service providers to CATL in Europe.
| Metric | Industry Average (2025/26) | YES-EU Specs | Advantage for you |
| Cell Capacity | 314 Ah | 530 Ah | Much higher density / smaller footprint |
| BESS Cycle Life | 6,000 – 8,000 | 12,000 | Nearly double the operational life |
| BESS Longevity | 10 to 15-year warranties, often ending at 60% or 70% SOH. | 20Y @ 70% SOH (State of Health) | After 20 years of use, the battery will still retain at least 70% of its original charging capacity. |
| Degradation | 5% – 7% (Year 1) | < 4% (Year 1) | More predictable performance |
Our solutions
Containerized liquid cooling battery system EnerC+
Containerized liquid cooling battery system EnerX
Mobile Storage
All in one Battery Cabinet
Service: Battery Lifecycle Management
Sustainability for YES-EU is a goal and a closed-loop system. We increase the value of your energy assets by managing batteries from their first use in vehicles to their second life in stationary storage.
Circular Economy Integration
We provide a system for full lifecycle management and monitoring to discover and increase battery value over time.
Second-Life Innovation
We utilize retired EV batteries without disassembly, leveraging AC multi-module parallel technology to reduce maintenance complexity and costs.
Supply Chain Advantage
Our integration capabilities ensure that even end-of-life batteries are repurposed efficiently to support the European green transition.
Service: Energy Storage Maintenance
As an officially certified CATL service and repair provider, we ensure your BESS installation delivers the highest possible Return on Investment.
AI-Driven Monitoring
We utilize a safety-first cloud-based energy management system powered by Big Data and AI to provide intelligent analysis.
Predictive Maintenance
Our expert systems use real-time data and visualization to prevent downtime before it occurs.
10-Year Peace of Mind
We stand by our technology with up to 10-year warranty for battery systems.
Talk with an expert near you (Workshop Locations map link)
Containerized liquid cooling battery system EnerC+
Future-proof technology for Grid-Scale stability. Our containerized solutions are engineered for high-performance thermal management and long-term reliability. This high-density, modular 1500V energy storage system delivers up to 4.07MWh in a standard 20-foot container, achieving a 50% space saving and reduced installation costs through its prefabricated, liquid-cooled design. Engineered for a 20-year service life, it features IP55 outdoor protection, C5 corrosion resistance, and stable LFP cells compatible with CATL technology for up to 12,000 cycles. Safety is prioritized via a dedicated fire suppression system, optional explosion-proof fans, and full compliance with UL 9540A and IEC 62619 standards, ensuring a reliable, high-performance solution for utility-scale applications.
Basic parameters
| Module configuration | 5P*2P52S*8 |
| Cell capacity | 280Ah / 280Ah |
| Rated voltage | 1331.2V |
| Rated energy | 3.72MWh / 4.07MWh |
| Product weight | 35 T / 36 T |
| IP level | IP55 |
| Dimension (L*W*H) | 6058mm*2438mm*2896mm |
Testing and certifications
| UL 1973 | UL 9540A |
Safety Measurements
- Stable LFP batteries
- IP55 outdoor protection
- C5 corrosion resistance, 20-year reliability
- Fire protection system
- Explosion-proof fan option
Long service life
- Compatible with CATL tech (up to 12000 cycles)
- Liquid-cooling, 5ºC difference
High integration
- Modular 1500V system
- Separate electrical and battery rooms
- High integration, 50% space saving
- Optional DCDC for cluster management
- Prefabricated, reducing installation costs and time
Containerized liquid cooling battery system EnerX
This high-capacity storage solution is engineered to maximize project ROI by delivering 50% more energy density in a significantly smaller footprint, reducing land requirements by 38%. Designed for rapid deployment and simplified operations, it features “one-click” commissioning and enhanced SOC precision to slash manpower costs and improve grid-dispatch accuracy. With a focus on long-term bankability, the system maintains a high 96% efficiency and is built to withstand extreme climates, providing a safe, 20-year reliable asset that is fully compatible with global power conversion systems and flexible augmentation plans.
Basic parameters
| Configuration | 8P416S |
| Rated energy | ~5.6MWh |
| Cell capacity | ~530Ah |
| Working ratio | ≤0.5P |
| Rated voltage | ~1331.2V |
| Voltage range | 1040V…1500V |
| IP level | IP55 |
| Product weight | ~45 T |
| Dimension | 6058mm*2438mm*2896mm |
Testing and certifications
| UL 1973 | UL 9540A |
Lower LCOS
- High energy density: Projected Area ED is 385kWh/m² (50% more than Ener C+)
- 38% of reduction in land area compared to EnerC
- High RTE (~96%)
- Excellent life performance and 20-year reliability
- Cell first year degradation less than 4%
Safety Measurements
- Cero safety accident in ESS product
- Coverall extreme climates and scenes
- Safety design for all levels
- Early warning under various working conditions
- Multiple fire protection measurement to different fire stages
Convenient O&M
- DC components pre-installed in 20-feet cabinet
- SOC precision enhanced by 3%
- One-click Commission, saving manpower
- Compatible with overseas mainstream PCS, and can support different augmentation plan (3/5 years)
Mobile Storage & EV Charging Container
Rapid Deployment for a World on the Move. When the grid cannot meet immediate demand, our mobile solutions bridge the gap with plug-and-play simplicity.
High Power Output
Features dual 400kW charging stations and a massive 2138kWh battery capacity.
Grid Support
Designed specifically to relieve grid power pressure during peak events or in remote locations.
Remote Management
Includes full remote monitoring capabilities to manage energy flow from anywhere.
| Items | Description |
| General | W*D*H:2438*12192*2896mm |
| Weight: 32.5t | |
| Protection Level: IP21 (Container), IP54 (Internal Equipment), C4 | |
| Cooling Method: Liquid cooling (Battery & Charger), Air cooling (PCS & Combiner Cabinet) | |
| PCS | Rated Power: 800kW |
| Rated Voltage: 400Vac | |
| Rated frequency: 50/60Hz | |
| Battery | Capacity: 2138kWh |
| DC Voltage Range: 910~1328.6Vdc | |
| Cell: CATL LFP 306Ah | |
| Charge/Discharge Rate: 0.5P | |
| Charging Station | Rated Power: 400kW*2 |
| Output Voltage Range: 200~1000Vdc | |
| Output Current Range: 0~500A, 600A Max per plug |
All-in-One Battery Cabinet
Redefining Commercial & Industrial Power Storage. A compact, integrated solution for microgrids and multi-scenario applications.
Liquid-Cooled Performance
Utilizes CATL manufacturer packs with liquid cooling for high efficiency and safety.
Flexible Expansion
Max 5 units in parallel to reach up to 1.16MWh of storage.
Smart Integration
Features Black Start capability, islanding support, and frequency balancing functions.
- New generation: Safe, efficient and reliable
- Capacity expansion: Max 5 in parallel (1.16 MWh)
- Flexible Adaptability: Suitability for various project sizes
- Application Scenario: Ideal for microgrids & multi-scenario applications
PCS 100kW/200kW
- Power quality
- Temperature control
- High efficiency
- Safety
- STS
- Black Start, Islanding, Voltage Ride Through
- Quick maintenance, hot Swap
280Ah Battery 232kWh
- CATL manufacturer Pack
- Liquid Cooling
- Global Applications
- Long lifespan, low degradation
All-in-One cabinet
- Safety performance
- High efficiency
- Low installation costs
- Easy operation and maintenance
- Capacity expansion
- Power increase
- Space-saving
- STS
- Fast response
- Frequency balancing function