Industrial Energy Storage: How Solar + Battery Systems Improve Energy Management and Power Reliability

From solar self-consumption to operational resilience, commercial and industrial battery energy storage systems are helping businesses take greater control of their energy use. Discover how integrated solar and storage solutions can support industrial operations, with a real-world application at MACROMEC in Chile.

Why Is Industrial Energy Storage Becoming More Important?

Electricity is a critical resource for modern industrial operations. Manufacturing facilities, mining-related businesses, processing plants and commercial facilities all depend on a stable and reliable power supply to maintain productivity.

However, businesses face several ongoing energy challenges:

●Unstable electricity supply: Power interruptions and grid instability can affect machinery, production schedules and operational continuity.

●Rising energy costs: Electricity expenses can place pressure on operating budgets, particularly for energy-intensive businesses.

●Underutilized solar generation: Solar production does not always match electricity demand, meaning some available renewable energy may not be fully utilized on-site.

●Limited energy flexibility: Businesses need greater control over when electricity is generated, stored and consumed.

As solar PV adoption expands across industrial facilities, battery energy storage systems (BESS) are becoming an important component of integrated energy management.

By combining solar generation, battery storage and intelligent power conversion, businesses can store available energy and use it according to their operational requirements.

What Is an Industrial Battery Energy Storage System (BESS)?

An industrial battery energy storage system (BESS) stores electrical energy in batteries and makes it available for use at a later time.

When integrated with solar PV and a suitable hybrid inverter, an industrial BESS can coordinate energy generation, storage and consumption within a facility.

A typical solar-plus-storage system includes three key components:

1. Solar PV Generation

Solar panels convert sunlight into electricity to supply facility loads and provide energy for battery charging when generation exceeds immediate demand.

2. Battery Energy Storage

The battery stores available energy for later use, helping businesses make better use of solar generation and manage the timing of electricity consumption.

3. Hybrid Inverter and Energy Management

The inverter manages power conversion between solar generation, battery storage and electrical loads. Together with appropriate control strategies, the system coordinates energy flows according to operating requirements.

An integrated solution provides businesses with greater flexibility in managing their energy resources.

Four Key Applications of Industrial Energy Storage

1. Increasing Solar Self-Consumption

One of the most practical applications of industrial battery storage is improving the utilization of on-site solar generation.

Solar production is generally concentrated during daylight hours, while industrial electricity demand may continue into the evening or fluctuate throughout the day.

Without storage, surplus solar generation may not always be fully utilized on-site.

A battery energy storage system can capture available surplus solar energy and discharge it when solar production decreases or electricity demand increases.

Business value:

●Increase the utilization of on-site renewable energy.

●Reduce reliance on conventional electricity sources when stored solar energy is available.

●Improve coordination between solar generation and electricity consumption.

2. Managing Peak Electricity Demand

Industrial electricity consumption often fluctuates according to production schedules, machinery operation and equipment startup requirements.

In markets where electricity tariffs include demand charges or time-dependent pricing, battery storage may help businesses manage peak electricity demand.

With an appropriate energy management strategy, batteries can discharge during selected high-demand periods, helping reduce grid electricity consumption at those times.

This application is commonly known as peak shaving.

Business value:

●Manage periods of high electricity demand.

●Improve flexibility in energy consumption.

●Potentially reduce electricity costs where the tariff structure and operating conditions support savings.

Actual savings depend on electricity tariffs, load profiles, battery sizing, system efficiency and operating strategy.

3. Supporting Backup Power and Operational Continuity

For industrial businesses, unexpected power interruptions can affect production, equipment operation and delivery schedules.

Battery storage can provide backup energy to designated loads when the system is designed and configured with appropriate backup functionality.

Depending on the system architecture, inverter capabilities, protection devices and load requirements, an energy storage solution can help maintain power to selected critical equipment during grid interruptions.

Business value:

●Support critical operational loads.

●Reduce the impact of certain power interruptions.

●Improve energy resilience and operational flexibility.

Backup capability and duration depend on the installed configuration, available battery energy, load demand and operating conditions.

4. Improving Energy Flexibility for Industrial Operations

Industrial energy requirements change throughout the day. Solar generation, electricity demand and grid availability do not always align.

Energy storage helps bridge this gap by allowing electricity to be stored and dispatched at different times.

Through coordinated control of solar generation, battery charging and discharging, and facility loads, businesses can develop an energy strategy that better matches their operational requirements.

Business value:

●Coordinate energy generation and consumption.

●Improve flexibility in managing electricity resources.

●Support changing production and operational requirements.

How to Select the Right Industrial Energy Storage System

Selecting a commercial and industrial energy storage system requires more than comparing battery capacity and inverter power.

Businesses should evaluate several factors before determining the appropriate system configuration.

1. Electricity Consumption Profile

Understand how much electricity the facility consumes, when demand peaks and how consumption changes throughout the day.

2. Existing Solar PV Capacity

Assess installed PV capacity, daily generation patterns and the amount of surplus solar energy available for battery charging.

3. Backup Requirements

Identify which loads require backup power, their operating power requirements and the expected backup duration.

4. Electricity Tariff Structure

Review energy charges, demand charges and time-of-use pricing to determine whether battery-based energy management can deliver measurable economic benefits.

5. Battery Capacity and Inverter Power

Battery capacity, measured in kWh, determines how much energy can be stored. Inverter power, measured in kW, determines the rate at which energy can be converted and delivered.

These two parameters should be selected according to the facility's load characteristics, operating strategy and required system performance.

6. System Integration and Long-Term Operation

Consider inverter compatibility, energy management capabilities, safety requirements, installation conditions, monitoring and operation and maintenance support.

A properly designed system should address both current energy requirements and potential future operational changes.

Real-World Application: Solis EverCore at MACROMEC, Chile

The integration of solar PV and battery storage is already supporting industrial energy management in real-world applications.

At MACROMEC, a company operating in Chile's mining and off-grid sector, Solis has deployed its SolisStorage EverCore C&I ESS, integrating a 261 kWh battery energy storage system with a 125 kW hybrid inverter and solar PV generation.

Located in San Bernardo, Santiago, the project addresses the need for a dependable energy supply to support machinery and operational loads, while helping the business make better use of solar generation.

The system supports three key energy management objectives:

Higher Solar Self-Consumption

Surplus solar energy can be stored for later use, helping increase on-site renewable energy utilization.

Flexible Energy Management

Battery storage allows energy to be shifted from periods of solar generation to periods when electricity is needed, supporting better coordination between generation and demand.

Improved Power Reliability

The integrated solution is designed to support a more dependable energy supply for customer loads and machinery, helping mitigate the operational impact of grid instability.

Commissioned in June 2026, the system has maintained stable operation, completing approximately one charge and discharge cycle per day, according to project operating information.

The MACROMEC installation demonstrates how integrated solar and battery storage can support the practical energy requirements of industrial businesses in Latin America.

Why Choose Solis EverCore for Commercial and Industrial Energy Storage?

SolisStorage EverCore C&I ESS is designed to support the evolving energy management requirements of commercial and industrial businesses.

By integrating battery storage with hybrid inverter technology, EverCore provides an integrated solution for applications requiring flexible energy management and coordinated solar-plus-storage operation.

For industrial facilities, this integrated approach can support:

●Greater utilization of on-site solar generation.

●Flexible battery charging and discharging.

●Improved coordination between generation and electricity demand.

●Energy management for demanding commercial and industrial applications.

●A more integrated approach to system operation and maintenance.

As businesses across Latin America continue to explore solar-plus-storage solutions, Solis is working with regional partners to bring integrated energy technologies to a wider range of industrial applications.

Frequently Asked Questions About Industrial Energy Storage

What is the difference between battery power (kW) and battery capacity (kWh)?

Battery power, measured in kW, indicates how much power a system can deliver at a given moment. Battery capacity, measured in kWh, indicates the amount of energy it can store. Both are essential when selecting a BESS for industrial applications.

Can industrial battery storage work with an existing solar PV system?

Yes. Depending on the system architecture and equipment compatibility, battery storage can be integrated with existing solar PV installations. The appropriate AC-coupled or DC-coupled configuration should be evaluated according to the existing inverter, electrical infrastructure and project requirements.

Can an industrial BESS reduce electricity costs?

It can help optimize electricity consumption through applications such as solar self-consumption and peak shaving. However, the actual economic benefits depend on electricity tariffs, consumption patterns, system configuration and operating strategy.

Can a BESS provide backup power during grid outages?

Yes, when the system includes the necessary backup functionality and is correctly configured for the intended loads. Backup power capacity and duration depend on the battery capacity, inverter capabilities, load requirements and system design.

How much battery storage capacity does an industrial facility need?

There is no universal battery capacity suitable for every industrial facility. The required capacity depends on electricity consumption, solar generation, peak demand, backup requirements and the intended operating strategy.

Is the SolisStorage EverCore C&I ESS suitable for industrial applications?

SolisStorage EverCore C&I ESS is designed for commercial and industrial energy storage applications, supporting integrated solar and storage deployment and flexible energy management.

Take Control of Your Industrial Energy Strategy with Solis

Industrial energy storage is not simply about adding batteries to a solar installation. It is about giving businesses greater flexibility in how they generate, store and use electricity.

Whether the priority is increasing solar self-consumption, managing peak demand or supporting critical loads, an appropriately designed C&I energy storage system can help businesses build a more flexible and resilient energy infrastructure.

Discover SolisStorage EverCore C&I ESS and explore integrated energy storage solutions for your business.

Explore C&I Energy Storage Solutions: https://www.solisstorage.com/en/forbusiness 

Contact Your Local Solis Team: https://www.solisstorage.com/en/intouch 

Become a Solis Partner: https://www.solisstorage.com/en/intouch 

About Solis

Founded in 2005, Solis (Ginlong Technologies) is a global manufacturer of solar inverters and a provider of energy storage solutions. The company develops hybrid and energy storage technologies for residential, commercial and industrial, and utility-scale applications.

With global R&D capabilities, international certifications and an established supply chain, Solis serves customers across markets worldwide and is committed to advancing the global transition to clean energy.

For more information, visit https://www.solisinverters.com