• Dagong ESS

ESS Peak Shaving – How Energy Storage Systems Reduce Industrial Power Costs

What is ESS Peak Shaving?

ESS peak shaving refers to the process of using battery energy storage systems (ESS) to reduce power consumption during peak demand periods.
During times of high grid electricity prices, stored energy is discharged to meet part of the load demand, while charging occurs during low-cost off-peak hours.

This strategy helps flatten the load curve, minimize demand charges, and optimize the use of electricity, particularly for industrial and commercial facilities that face high utility tariffs.

Modern lithium-ion ESS solutions, especially those using LFP (Lithium Iron Phosphate) chemistry, provide fast response times, high efficiency, and long cycle life — making them ideal for dynamic peak load management.

Types of ESS Used for Peak Shaving

Different ESS configurations can be used for peak shaving, depending on the size and energy needs of the facility:

• Air-Cooled ESS (100kWh–241kWh):
  Compact, modular, and suitable for small to medium commercial applications. Dagong ESS offers 100kWh–144kWh and 215kWh–241kWh air-cooled systems that deliver efficient performance and low maintenance.

• Liquid-Cooled ESS (215kWh–372kWh):
  Ideal for larger industrial sites or high-temperature environments. The 215kWh and 372kWh liquid-cooled ESS systems maintain battery temperature uniformity for optimal lifespan.

• Containerized ESS (3.35MWh–5MWh):
  Designed for large-scale factories, logistics centers, and data centers. The 5MWh container ESS supports high-load operation and remote monitoring, ensuring stable peak shaving on a grid level.

Each system type can be scaled or combined depending on the specific load profile and financial objectives of the project.

Features of ESS Peak Shaving Systems

• Fast Response Time: Instantaneous discharge during load spikes ensures uninterrupted operation.

• Intelligent Control: Integrated EMS optimizes charge/discharge cycles based on real-time electricity pricing.

• High Efficiency: Round-trip efficiency above 90% enables maximum economic benefit.

• Safety and Reliability: Equipped with multi-level BMS and fire suppression systems.

• Remote Monitoring: Cloud-based dashboards provide live data visualization and performance analytics.

Modern ESS peak shaving solutions are also designed for modular deployment, meaning additional capacity can be added easily as energy demand grows.

Applications of ESS Peak Shaving

Peak shaving ESS is widely used across industrial and commercial sectors such as:

• Manufacturing plants: To offset high-power machinery loads during production peaks.

• Data centers: To manage large cooling and IT equipment power spikes.

• Logistics and cold storage facilities: To maintain temperature control without grid stress.

• Office and retail complexes: To balance daytime energy consumption and reduce monthly bills.

In some regions, ESS peak shaving also supports grid ancillary services, such as frequency regulation or voltage support, creating additional revenue streams for operators.

Price of ESS Peak Shaving Systems

The cost of ESS peak shaving systems depends on several factors, including system capacity, storage duration, battery chemistry, EMS software, and installation complexity.
Pricing is usually quoted under international trade terms such as EXW, FOB, or CIF, depending on project location and logistics preferences.

For a tailored quotation based on your specific project needs, it’s best to consult directly with the supplier.

How to Select ESS for Peak Shaving Projects

When selecting an ESS for peak shaving applications, consider the following factors:

• Load profile and demand patterns (daily and seasonal fluctuations).

• Required discharge duration (1–4 hours typical for industrial use).

• Battery type and cooling method (air-cooled for moderate climates, liquid-cooled for high-temperature sites).

• Integration with EMS and existing electrical infrastructure.

• Maintenance and warranty coverage.

Selecting the right ESS ensures maximum ROI and reliable long-term performance.

How Long Does ESS Peak Shaving System Last?

High-quality ESS systems, particularly those using LFP batteries, typically last 10–15 years or more, with over 8000 charge/discharge cycles.
Proper maintenance, cooling management, and EMS optimization can further extend service life and improve energy throughput.

The Supplier of PCS-Equipped Commercial and Industrial ESS

Dagong ESS offers advanced LFP ESS with integrated PCS for commercial and industrial applications:

• Commercial: 100–241kWh air-cooled cabinets for offices, retail, and small factories

• Industrial: 215–372kWh liquid-cooled and 3.35–5MWh containerized systems for factories and microgrids

Dagong ESS PCS-equipped systems provide high efficiency, optimized load management, and safe operation, ensuring cost savings and reliable performance for businesses worldwide.

If you are interested in Dagong ESS's  commercial and industrial energy storage solutions, please contact:
Email: sales@dagongess.com