50kWh Commercial Peak Shaving LFP Energy Storage System - Advanced Demand Charge Reduction
Energy Storage

50kWh Commercial Peak Shaving LFP Energy Storage System - Advanced Demand Charge Reduction

EPC Price Range
$15,000 - $22,000

Key Features

  • 50 kWh usable capacity with 25 kW continuous power output for effective peak demand reduction
  • LFP battery chemistry with 6,000+ cycle life at 90% DoD, ensuring 10+ years of reliable operation
  • 96% round-trip efficiency bidirectional inverter compliant with IEEE 1547 grid interconnection standards
  • Advanced BMS with real-time SOC/SOH monitoring, active cell balancing, and multi-tier protection per IEC 62619
  • Comprehensive safety: IP65 enclosure, three-tier fire suppression, UL 9540 and UL 9540A certified, NFPA 855 compliant

Description

The SOLARTODO 50kWh Commercial Peak Shaving LFP Battery Energy Storage System (BESS) represents a pivotal advancement in distributed energy resource management for commercial and industrial (C&I) applications. Engineered for performance, safety, and longevity, this system provides 50 kWh of usable energy capacity and a continuous power output of 25 kW. Its primary function is to mitigate high electricity costs by reducing peak demand charges, a significant operational expenditure for many businesses. By storing energy during low-cost, off-peak hours and discharging it during high-cost, peak periods, the system effectively flattens the facility's load profile, leading to substantial financial savings and a rapid return on investment, typically within 3 to 5 years.

At the heart of the SOLARTODO 50kWh system lies the advanced Lithium Iron Phosphate (LiFePO4 or LFP) battery chemistry, which is globally recognized for its unparalleled safety and operational lifespan. Unlike cobalt-based lithium-ion chemistries, LFP batteries have a highly stable molecular structure that is inherently resistant to thermal runaway, even under conditions of physical damage or overcharging. This critical safety feature, validated by rigorous testing under the UL 9540A standard for thermal runaway fire propagation, eliminates the risk of catastrophic failure and ensures peace of mind. The prismatic LFP cells are housed in rugged aluminum casings, providing structural integrity and efficient heat dissipation. With a cycle life exceeding 6,000 cycles at a 90% Depth of Discharge (DoD), the system guarantees over a decade of reliable service under typical peak-shaving operational profiles.

The SOLARTODO 50kWh BESS is a fully integrated, plug-and-play solution, meticulously designed for seamless integration and optimal performance. The system architecture comprises several key subsystems working in concert: a 25 kW bidirectional inverter compliant with IEEE 1547 standards achieving round-trip efficiency greater than 96%; an intelligent Battery Management System (BMS) providing real-time monitoring of State of Charge (SOC), State of Health (SOH), cell voltage, and temperature with active cell balancing; an efficient forced-air cooling system maintaining optimal operating temperatures between 15°C and 35°C; and a robust IP65-rated enclosure with three-tier fire suppression system compliant with NFPA 855 guidelines and certified to UL 9540.

The primary application is commercial peak shaving, a proven strategy for controlling energy costs. Demand charges can constitute 30-70% of a commercial electricity bill. By deploying its 25 kW of power to offset facility loads during peak intervals, the system directly lowers peak demand. For a facility with a demand charge of $20/kW, reducing the monthly peak by 25 kW translates into direct savings of $500 per month, or $6,000 annually. This predictable return, combined with a system price range of $15,000 to $22,000, results in a compelling payback period of approximately 2.5 to 3.7 years. Beyond demand charge reduction, the system enhances energy resilience by providing backup power during grid failures and enables greater participation in demand response programs.

Technical Specifications

Energy Capacity50kWh
Usable Capacity (90% DoD)45kWh
Power Rating (Continuous)25kW
Peak Power (10s)30kW
Battery ChemistryLiFePO4 (LFP)
Round-trip Efficiency96%
Depth of Discharge (DoD)90%
Cycle Life (80% Capacity)6000cycles
Calendar Life15years
Warranty Period10years
Operating Temperature Range-10 to 50°C
Optimal Temperature Range15 to 35°C
Cooling MethodForced Air
Enclosure RatingIP65
Daily Cycles (Peak Shaving)1.5cycles/day
Response Time<100ms
Grid Connection3-Phase 400/480 VAC
Communication ProtocolsModbus TCP/RTU, CAN
Annual Energy Savings (Typical)6000USD
Payback Period2.5 to 3.7years
Dimensions (W×D×H)1200×800×2000mm
Weight650kg

Price Breakdown

ItemQuantityUnit PriceSubtotal
LFP Battery Cells (50 kWh)1 set$2,750$2,750
Battery Management System (BMS)1 set$750$750
Bidirectional Inverter/PCS (25 kW)1 unit$2,000$2,000
Thermal Management System (Air Cooling)1 set$500$500
Cabinet/Enclosure (IP65)1 unit$3,500$3,500
Fire Suppression System1 set$2,500$2,500
Energy Management System (EMS)1 system$3,000$3,000
Installation and Commissioning1 service$3,000$3,000
Total Price Range$15,000 - $22,000

Frequently Asked Questions

What is the expected lifespan of the 50kWh LFP system?
The system is designed for exceptional longevity. The LFP battery cells are rated for over 6,000 charge-discharge cycles while retaining at least 80% of their original capacity. Under a typical peak shaving schedule of 1.5 cycles per day, this translates to a warrantied operational life of 10 years. The robust system design and advanced battery management ensure a calendar life that can extend to 15 years, providing long-term value and energy security.
Can this system provide backup power during a grid outage?
Yes, absolutely. The system's advanced 25 kW bidirectional inverter is equipped with an automatic transfer switch and can operate in island mode. In the event of a grid failure, it can seamlessly disconnect from the grid and provide 25 kW of continuous power to critical loads. The 50 kWh of stored energy can power essential equipment like lighting, servers, and refrigeration for several hours, ensuring business continuity during unexpected outages.
What are the installation requirements for this system?
The SOLARTODO 50kWh system is designed for straightforward installation. It requires a level concrete pad and appropriate electrical switchgear for grid connection. The IP65-rated enclosure allows for either indoor or outdoor placement. Our certified installation partners ensure that all work is performed in compliance with local electrical codes and the NFPA 855 standard for the installation of stationary energy storage systems, guaranteeing a safe and reliable setup.
How does the system's thermal management work?
The system utilizes a high-efficiency, forced-air cooling system to maintain optimal battery temperature. Integrated sensors continuously monitor the internal temperature of the cabinet and battery modules. The Battery Management System (BMS) intelligently controls variable-speed fans to circulate air and dissipate heat, ensuring the batteries operate within their ideal temperature range of 15°C to 35°C. This precise thermal control is crucial for maximizing both the performance and lifespan of the LFP cells.
What certifications does the SOLARTODO 50kWh system hold?
Our system is engineered to meet the most stringent international safety and performance standards. The complete system is certified to UL 9540. The battery modules comply with IEC 62619 for safety and have passed UL 9540A testing for thermal runaway propagation. The inverter is compliant with IEEE 1547 for grid interconnection. Furthermore, the cells are transported according to UN38.3 regulations, ensuring safety throughout the entire supply chain and product lifecycle.

Certifications & Standards

UL 9540
UL 9540A
IEC 62619 (Battery Safety for Industrial Applications)
IEC 62619
IEEE 1547 (Grid Interconnection)
IEEE 1547
NFPA 855
UN38.3

Data Sources & References

  • UL 9540 Standard for Energy Storage Systems
  • IEC 62619 Battery Safety Standards 2025
  • IEEE 1547-2018 Grid Interconnection Standards
  • NFPA 855 2023 Edition
  • CATL LFP Cell Specifications 2025
  • NREL Commercial Energy Storage Economics 2025

Project Cases

50kWh Commercial Peak Shaving LFP Energy Storage System - Advanced Demand Charge Reduction - 1
50kWh Commercial Peak Shaving LFP Energy Storage System - Advanced Demand Charge Reduction - 2

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50kWh Commercial Peak Shaving LFP Energy Storage System - Advanced Demand Charge Reduction | SOLAR TODO | SOLARTODO