Rapid deployment
With strong flexibility, the container can be easily transported and quickly deployed and is suitable for temporary or emergency needs.
Energy Storage Systems
BESS solutions from 10 MWh to 500 MWh
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.
- MWh per project
- 10–500
- @ 70% SOH
- 20Y
- Cycles
- 12 000
Our team brings extensive expertise in energy storage engineering, system integration, grid compliance, and long-term asset support across Europe.
Mobile Storage & EV Charging
One container. Lithium batteries, BMS, PCS, thermal & fire safety, EV chargers and EMS.
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.
Cell technology
Built on a new generation 530 Ah LFP cell
- 530 AhNew generation cell
- 20Y@ 70% SOH
- < 4%Cell first-year degradation
- 12 000Long service life cycles
Functions
A modular system, ready for any deployment
Plug and play
Reduces installation and debugging time and placed quickly into operation.
Relieve the grid power pressure
It can reduce the load pressure on the power grid and achieve peak shaving.
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.
Remote monitoring and management
Through remote monitoring, real-time data monitoring can be achieved to improve operational efficiency.
Application Scenarios
Where YES-EU systems perform
Public Charging Stations
Green farm applications
Commercial and Industrial Parks
Remote or Off-Grid Areas
Uninterruptible Power Supply
Our Core Offerings
From engineering to long-term operation
Four service tracks that cover the full life of your asset — turnkey delivery, integrated technology, project development support and long-term O&M.
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
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) and performance guarantee structures.
Typical Project Sizes
Sized for merchant or capacity-market projects
We support both merchant-based and capacity-market-driven business models.
10–20 MW
20–40 MWh
30–100 MW
60–300 MWh
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
A European-grade engineering and service partner
- 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.
Industry vs YES-EU
How our specs compare to the 2025/26 industry average
| 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 |
- Cell Capacity
- Industry Average (2025/26)
- 314 Ah
- YES-EU Specs
- 530 Ah
Much higher density / smaller footprint - BESS Cycle Life
- Industry Average (2025/26)
- 6,000 – 8,000
- YES-EU Specs
- 12,000
Nearly double the operational life - BESS Longevity
- Industry Average (2025/26)
- 10 to 15-year warranties, often ending at 60% or 70% SOH.
- YES-EU Specs
- 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
- Industry Average (2025/26)
- 5% – 7% (Year 1)
- YES-EU Specs
- < 4% (Year 1)
More predictable performance
Our solutions
Four products. One ecosystem.
From utility-scale containers to commercial cabinets, every YES-EU system shares the same engineering DNA — CATL cells, liquid cooling, EU-built EMS and a 20-year reliability target.
Service · Battery Lifecycle Management
Sustainability is a closed-loop system
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
Officially certified CATL service and repair provider
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.
Solution 01 · EnerC+
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 4.07 MWh 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.
- IEC 62619
- IEC 62477-1
- UL 1973
- UL 9540A
Basic parameters
- Module configuration
- 5P*2P52S*8
- Cell capacity
- 280 Ah / 280 Ah
- Rated voltage
- 1331.2 V
- Rated energy
- 3.72 MWh / 4.07 MWh
- Product weight
- 35 T / 36 T
- IP level
- IP55
- Dimension (L*W*H)
- 6058 × 2438 × 2896 mm
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 12 000 cycles)
- Liquid-cooling, 5°C 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
Solution 02 · EnerX
Containerized liquid cooling battery system EnerX
50% more energy density. 38% less land.
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.
- IEC 62619
- IEC 62477-1
- UL 1973
- UL 9540A
Basic parameters
- Configuration
- 8P416S
- Rated energy
- ~5.6 MWh
- Cell capacity
- ~530 Ah
- Working ratio
- ≤ 0.5P
- Rated voltage
- ~1331.2 V
- Voltage range
- 1040 V — 1500 V
- IP level
- IP55
- Product weight
- ~45 T
- Dimension
- 6058 × 2438 × 2896 mm
Lower LCOS
- High energy density: Projected Area ED is 385 kWh/m² (50% more than EnerC+)
- 38% 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)
Solution 03 · Mobile Storage
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.
Basic parameters
- Dimensions (W*D*H)
- 2438 × 12192 × 2896 mm
- Weight
- 32.5 t
- Protection level
- IP21 (Container), IP54 (Internal Equipment), C4
- Cooling method
- Liquid cooling (Battery & Charger), Air cooling (PCS & Combiner Cabinet)
- PCS rated power
- 800 kW
- PCS rated voltage
- 400 Vac
- PCS rated frequency
- 50 / 60 Hz
- Battery capacity
- 2138 kWh
- DC voltage range
- 910 ~ 1328.6 Vdc
- Battery cell
- CATL LFP 306 Ah
- Charge / Discharge rate
- 0.5P
- Charging station rated power
- 400 kW × 2
- Output voltage range
- 200 ~ 1000 Vdc
- Output current range
- 0 ~ 500 A, 600 A Max per plug
High Power Output
- Features dual 400 kW charging stations and a massive 2138 kWh 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.
Solution 04 · All-in-One
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.
- New generation: Safe, efficient and reliable.
Flexible Expansion
- Max 5 units in parallel to reach up to 1.16 MWh of storage.
- Suitability for various project sizes.
Smart Integration
- Features Black Start capability, islanding support, and frequency balancing functions.
- Ideal for microgrids & multi-scenario applications.
PCS 100 kW / 200 kW
- Power quality
- Temperature control
- High efficiency
- Safety
- STS
- Black Start, Islanding, Voltage Ride Through
- Quick maintenance, hot Swap
280 Ah Battery · 232 kWh
- 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
Talk with an expert near you
Find the YES-EU energy storage team closest to your project
From a single cabinet to a 500 MWh utility-scale rollout — talk to a YES-EU specialist about your energy storage project.