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Off-grid battery: energy without a grid connection

Not every location has access to a reliable grid connection. Think of construction sites, remote industrial parks, or projects where the power grid simply no longer has the capacity. In situations like these, an off-grid battery system offers a practical solution. With a Boltainer battery, you can store energy locally and use it when needed. Combined with solar panels, for example, this creates an energy supply that can operate completely independently. This ensures you always have power, even when no grid connection is available.

What does that mean specifically for your project:

  • Energy available at locations without grid infrastructure
  • Less reliance on diesel generators
  • More efficient use of locally generated energy
  • Reliable power supply for machines and systems

Discover the off-grid battery

FOR LOCATIONS WITHOUT A MAIN POWER CONNECTION

LESS RELIANT ON GENERATORS

SCALABLE FOR ANY PROJECT

SMART USE OF LOCALLY GENERATED ENERGY

RELIABLE ENERGY SUPPLY

Find the solution that meets your energy needs

Energy storage container

The BOLT-20 is a robust, scalable battery container designed for large-scale energy storage. It is ideal for peak shaving, grid optimization, and energy trading, and is suitable for both on-grid and off-grid applications.

Discover the Container

This gives you the following:

  • Fully customized to meet your specific energy needs
  • Suitable for heavy and fluctuating loads
  • Off-grid applications with a robust design that are easy to transport

These batteries are suitable for:

  • Construction companies and industrial projects in need of a reliable power supply

Energy Storage Cabinet

The BOLT-107 and BOLT-215 give businesses control over their energy. Compact, powerful, and versatile—from peak shaving to energy trading. Installed in no time and available immediately from stock.

Discover the cabinets

This gives you the following:

  • Easy to scale up in parallel for any situation or location
  • High-quality Tier 1 battery cells, with Dutch software
  • Batteries available directly from stock

These batteries are suitable for:

  • Fixed locations where reliable energy storage is essential

How an off-grid battery works

An off-grid energy system usually consists of three components that work together.

  • Energy generation
    For example, solar panels or another local energy source.
  • Energy Storage
    The battery stores the generated energy so that it can be used later.
  • Energy Management
    Software automatically controls the system and determines when energy is stored or supplied.

This creates an energy system that can operate independently without being connected to the power grid.

Get a free simulation report

Benefits of an off-grid battery

LOWER OPERATING COSTS

When energy is generated and stored locally, there are lower costs for fuel, transportation, and temporary power supplies.

This gives you the following:

  • Lower fuel costs
  • Lower operating expenses

BUSINESS CONTINUITY

For many businesses, energy is essential. With a battery solution, power remains available whenever it’s needed.

This gives you the following:

  • Lower risk of downtime
  • Reliable energy supply

INDEPENDENCE FROM THE ELECTRICITY GRID

In areas where grid capacity is limited, an off-grid solution can be the answer.

This gives you the following:

  • Power available without a grid connection
  • Less reliance on external infrastructure

BETTER UTILIZATION OF RENEWABLE ENERGY

Self-generated energy can be stored immediately and used when the need arises.

This gives you the following:

  • Less waste of renewable energy
  • Higher returns from self-generated power

Boltainer: Smart Energy Storage, Hassle-Free

At Boltainer, you get more than just a battery. We help businesses ensure they always have enough power, reduce costs, and get more out of their own energy. We do this with smart technology, Dutch pragmatism, and proven results.

  • Experience in your industry: from agriculture to logistics and manufacturing.
  • A complete, hassle-free service: from consultation to installation, monitoring, and maintenance.
  • Scalable and future-proof:complies with PGS-37-1 and international standards, and grows with your business.
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“We saved €50,000 on our energy bill in the very first year. Not only did this result in significant cost savings, but it was also a major step toward sustainability. A win-win for our company!”

Review from the agricultural sector

Battery Storage in 4 Smart Steps

1

Analysis & Insights

We measure your energy consumption and generation. This allows us to identify exactly where savings can be made and how the battery works best.

  • A clear picture of your opportunities and possibilities.
2

Simulation & Consulting

Using our software, we calculate how much you can save and earn. It’s fully tailored to your situation and goals.

  • That way, you'll know in advance what the benefits are.
3

Installation & Connection

We’ll install the system quickly and connect it to your existing setup. Often without the need for major modifications.

  • Fast and ready to use, wherever you are.
4

Monitoring & Management

Our software lets you see at a glance how much energy you’re storing, using, or selling. This way, you’re always in control and have full visibility.

  • Take control of your energy and maximize your yield.

Our off-grid batteries in action

SOLAR OPTIMIZATION AT AN AGRICULTURAL SOLAR PARK

Overijssel
With the BOLT-20 and forecasting software, an agricultural solar farm no longer feeds electricity back into the grid at low rates, but instead stores it and sells it at the best possible time.

Results

  • Energy stored and managed locally
  • Earning on the EPEX and imbalance markets

Jumbo Mieremet launches 400 kW fast charger with battery storage

Jumbo Mieremet in The Hague became the first supermarket in the region to install a 400 kW DC fast-charging station with 430 kWh of battery storage. Thanks to the smart use of storage, two cars can charge simultaneously without placing an additional load on the power grid.

Results

  • Fast charging without overloading the grid
  • Charging two cars at the same time

We love to share success stories

Farmer Dairy farmer

"Our solar panels are really paying off now! With Boltainer batteries and BBT software, we use our own electricity whenever it suits us and save a lot on feed-in tariffs."

Fleet & Equipment Manager Construction company

"We need far fewer diesel generators on the construction site. Combined with battery storage, we now always have a reliable and sustainable power supply, no matter where we're working."

Facilities Manager Industrial sector

"Thanks to Boltainer, we've reduced our energy costs by over 30% and are no longer subject to grid restrictions. Our production is running more efficiently than ever!"

PEACE OF MIND THANKS TO RECOGNIZED CERTIFICATIONS

IEC 62933-5-2

An international standard that ensures the safety and reliability of energy storage systems.

PGS-37-1

Dutch guideline with strict requirements for fire safety and risk management.

THEY SEE THE RESULTS

"Our wind energy is now truly working for us instead of for the grid. Whereas we used to feed cheap electricity back into the grid, we now store it smartly and use it when it benefits us. That gives us peace of mind, security, and extra income."

The results so far:

  • Wind energy stored and used locally
  • Generate extra income through smart energy market trading
  • Relief of the network connection
  • Real-time insights with BBox software
View the case study

WHO MIGHT BE INTERESTED IN AN OFF-GRID BATTERY?

Construction and Infrastructure

Construction sites often need a power supply before a utility connection is available.

  • Reliable power supply for machines and systems.

Read more

Agricultural businesses

Farms and facilities in remote locations can manage their own energy supply.

  • Greater independence and more efficient use of our own energy.
Read more

Industry

For production processes that require a continuous supply of energy.

  • A stable power supply for critical facilities.
Read more

Energy projects and microgrids

Energy storage plays an important role in local energy networks.

  • A better balance between energy production and consumption.

Read more

Frequently Asked Questions About Off-Grid Batteries

Can't find your question here? Please contact us.

Can an off-grid battery operate entirely without a grid connection?

Yes. When energy is generated and stored locally, a system can operate completely independently.

Is an off-grid system scalable?

Yes. Most systems are modular in design and can be expanded as energy demand increases.

Do I always need solar panels?

An off-grid battery only works in combination with its own energy source—usually solar panels—which supply power to the battery and charge it.

Will I be assigned a dedicated contact person to work with?

Yes, you will be assigned a dedicated contact person who will guide you throughout the entire process. Your contact person is available to answer your questions and provide support. This helps us keep the lines of communication short and clear.

What happens in the event of a malfunction?

All BOLT batteries are equipped with BoltOS, a smart monitoring system that provides 24/7 remote monitoring via a 4G/5G internet connection. In the event of a malfunction, proactive measures are taken to quickly identify and resolve any issues, often before you even notice them.

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OUR PARTNERS
BOLTAINER is proud to be associated with a wide range of partners from various sectors and regions, including the public sector, the private sector, and local and national governments. We strive to be the partner of choice and to deliver services that meet and even exceed our customers’ expectations.