Battery Energy Storage Systems

The SustainStorage™ product line leads the revolution in battery energy storage systems (BESS) and cost-effectively combats today's energy challenges. Experience reliable backup power, effective peak shaving, and improved power quality.

Battery Energy Storage Systems

The SustainStorage™ product line leads the revolution in battery energy storage systems (BESS) and cost-effectively combats today's energy challenges. Experience reliable backup power, effective peak shaving, and improved power quality.

Rectangle 4861

What are Battery Energy Storage Systems?

Battery energy storage systems are cutting-edge technologies designed to store electrical energy for later use. These systems play a pivotal role in modern energy management by storing excess power generated during periods of low demand and dispatching it during peak usage times.

This capability maintains the balance between energy supply and demand, strengthens grid stability, and supports the integration of renewable energy sources like solar and wind which are intermittent and can be smoothed out with battery storage.

Types of Battery Energy
Storage Systems

SustainStorage™ offers a range of turn-key, modular, and fully integrated containerised battery energy storage systems designed for off-grid and grid-tied applications. These systems are for medium to large-scale projects, providing robust and scalable solutions for diverse energy storage needs.

SustainStorage™ - LFP ATESS

Atess_IES 20ft
Group-10606-e1716794786778
Rated Storage Capacity Icon

Rated Storage Capacity

ATESS LFP HV (kWh): 860

Inverter Capacity Icon

Inverter Capacity

ATESS PCS (kW): 250

Atess_Atess 40ft
40 ft icon
Rated Storage Capacity Icon

Rated Storage Capacity

ATESS LFP HV (kWh): 2,580

Inverter Capacity Icon

Inverter Capacity

ATESS PCS (kW): 250, 500

SustainStorage™ - NMC POLARIUM-AEG

AEG-Polarium
40 ft icon
Rated Storage Capacity Icon

Rated Storage Capacity

AEG Convert Flex (kW): 500; 1,050; 1,300

Inverter Capacity Icon

Inverter Capacity

Polarium NMC (kWh) 1,580; 3,160

SustainStorage™ - LFP BALANCELL

Balancell_20ft
20 ft icon
Rated Storage Capacity Icon

Rated Storage Capacity

BALANCELL (kWh): 1,209.6

Inverter Capacity Icon

Inverter Capacity

ATESS PCS (kW): 250, 500, 630

Balancell_40ft
40 ft icon
Rated Storage Capacity Icon

Rated Storage Capacity

BALANCELL (kWh): 2,822

Inverter Capacity Icon

Inverter Capacity

ATESS PCS (kW): 250, 500, 630

SustainStorage™ - ATESS IES

Atess_IES 20ft
20 ft icon
Rated Storage Capacity Icon

Rated Storage Capacity

IES LFP (kWh) 228–684

Inverter Capacity Icon

Inverter Capacity

ATESS PCS (kW): 250

Atess_IES 40ft
40 ft icon
Rated Storage Capacity Icon

Rated Storage Capacity

IES LFP (kWh) 1,003; 1,368

Inverter Capacity Icon

Inverter Capacity

ATESS PCS (kW): 250, 500

Manufactured and Assembled to ISO Quality Control Standards

Customised Engineering Icon

Customised Engineering Solutions or Standardised Product for Fast Delivery

Fire Detection Icon

Best-in-Class Fire Detection and Suppression Systems

Container Icon

ISO-Insulated Container

Local Content Icon

High Local Content

Remote Monitoring Icon

Remote Monitoring and Energy Management System to Support 10-Year Warranty

Ventilation Icon

Active Ventilation for the Inverter Room

Air Conditioned Icon

Air-Conditioned Battery Room

Battery Longevity Icon

Increased Battery Longevity

Rectangle 4818

Transform Power, Sustain Your Progress

Partner with SustainPower to modernise your energy systems. Our solutions will drive efficiency and reliability in your operations today and in the future.

Rectangle 4818

What's Included with Our
Battery Energy Storage Systems

Modular Design

Modular Design

Allows for easy and flexible expansion as your energy needs grow.

Robust
Construction

Robust Construction

Each unit is housed in climate-controlled, insulated ISO containers that protect sensitive equipment from harsh environmental conditions.

Advanced
Safety Features

Advanced Safety Features

Includes fire suppression systems and stringent safety protocols to ensure operational security.

Smart
Technology
Integration

Smart Technology Integration

Pre-configured with energy management systems for optimal performance and efficiency.

Our Approach to
Battery Energy Storage Systems

01

Visual Inspection

Check that there are no physical defects and all components are correctly installed.

02

Electrical Testing

Verify all electrical connections and performances against specified tolerances.

03

Structural Testing

Assess the container and its fixtures for structural integrity and resilience under simulated environmental conditions.

04

Network Connectivity Testing

Ensure all communication links operate correctly for seamless integration into your existing energy systems.

Group 10571 (1)

The Advantages of
Battery Energy Storage Systems

Cost Savings Icon

Cost Savings

By optimising power usage and leveraging smart technology, SustainStorage™ systems reduce energy expenses and maximise your return on investment. These savings are achieved through more effective energy management practices such as peak shaving, which reduces reliance on peak-time grid electricity.

Dependable Icon

Dependable

Each battery energy storage system is engineered to perform reliably in the most demanding environments, from extreme heat to cold. This means your energy needs are met consistently and without interruption.

Global Compliance Icon

Global Compliance

We strictly adhere to quality management protocols and maintain compliance with internationally recognised standards, including ISO 9001 for quality management systems, SABS (South African Bureau of Standards), and SANS (South African National Standards).

Environmental Responsibility Icon

Environmental Responsibility

SustainStorage™ units contribute to reducing your carbon footprint. Our systems promote sustainable energy practices by facilitating greater use of renewable energy and decreasing dependence on fossil fuels.

Adjustments

Scalable and
Flexible

We can deploy our battery energy storage systems in various sizes and configurations to meet specific energy needs, from small commercial businesses to large utility-scale projects.

Energy Finance Solutions

We recognise that investing in energy storage solutions is a significant commitment. That's why we offer customised financing options to make our SustainStorage™ solutions more accessible to businesses and organisations of all sizes.

Let’s work together to create flexible payment plans that match your cash flow and business objectives.

Rectangle 4861

Operations & Maintenance

The longevity and efficiency of any battery energy storage system depends on its maintenance. SustainPower's comprehensive operations and maintenance (O&M) services ensure that your SustainStorage™ systems operate at peak efficiency with minimal downtime.

With our support, your energy storage investment can deliver value year after year.

Latest Battery Storage Articles

The Journey to Green at the German International School Cape Town (DSK) 

The German International School Cape Town (Deutsche Internationale Schule Kapstadt – DSK) has taken a significant step towards sustainability with the inauguration of a new Battery Energy Storage System (BESS) alongside their existing PV system. This advanced system marks a milestone in DSK’s ongoing journey to harness solar energy for a greener future.  The Benefits…

Read More

Energy Storage Systems Explained: Powering Your Business into the Future

Energy storage systems, like BESS, cut energy costs by up to 80%, stabilise power, and support renewables. They are vital for businesses dealing with weak grids or high tariffs, offering reliable, cost-effective energy management. With a market growth rate of 8.4% annually, investing in these systems ensures future-proof energy solutions.

Read More

Choose Battery Energy Storage Systems

You need a partner committed to delivering energy solutions that ensure reliability, efficiency, and sustainability. Contact us today to learn how our SustainStorage™ solutions can meet your energy needs.