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Versatile and Reliable Network Building Accessories for Optimising Energy Flow

Ensto Utility Networks develops and manufactures accessories for the construction of reliable electricity distribution networks, such as overhead lines and underground cables.

Ensio Miettisen katu 2,
06100 Porvoo,
Fax Number

Ensto develops and manufactures accessories for the construction of reliable electricity distribution networks, such as overhead lines and underground cables.

Our assortment also comprises of devices that improve the quality of electricity and enable fast recovery in the event of a fault. We produce innovative solutions focused on safety and sustainability in the distribution of electricity.

By selecting our products, you will not only receive fully-tested and high-quality items, but also easy installation, cost and time savings, extensive support, comprehensive and local Ensto Pro training. In addition, you will receive a flexible and friendly service from us.

Versatile product range for underground cables

The high-quality Ensto underground cables product range contains the following:

Ensto acts locally in international markets. By increasing energy efficiency and focusing on sustainability, we aim at building a better world for us all. Electricity is the cleanest way to distribute energy.
For underground cable accessories, Ensto offers the advantages of shrink technologies for cold and heat, as well as combinations of these in the durable hybrid products.
Ensto overhead line accessories enable high-quality, low-loss electricity distribution in the most demanding circumstances worldwide.
Novexia’s Auguste switchgear is an overhead load-break disconnecting switch designed to allow a load interruption up to 630A for medium-voltage (up to 36kV) overhead lines.
The stylish appearance of the Ensto EVC charging station is suited to urban environments, especially for demanding street side installations. It is made from durable materials, safe and easy-to-use.
  • Connectors and cable lugs
  • Terminations, including screened separable connectors
  • Joints
  • Lamp post fixtures

These thoroughly-tested accessories are for low and medium-voltage cables (1kV-36kV) and comprise of heat and cold shrink technologies, as well as a combination of these in the durable hybrid products.

We have set our focus on functional product design to reduce the number of components, as well as increasing the ease and speed of the installation work. All our product packages are equipped with easy-to-understand instructions.

Overhead line accessories for low-loss electricity distribution

Our accessories for low and medium-voltage overhead lines include product ranges, such as:

  • Connectors
  • Pole fuse switches
  • Suspension fittings
  • Cross arms
  • Hooks
  • Pole support materials
  • Overvoltage protection
  • Disconnectors
  • Insulators

We have more than 50 years of experience in developing systems with long lifecycles in even the most challenging of conditions in more than 70 countries. Because of this, we have gathered a thorough insight into the best practices of building reliable power grids. For our customers, the reliability of our products means top-quality, uninterrupted service and lower maintenance costs.

Solutions for power quality and network automation

We offer power quality solutions for a more effective way to distribute power. The first items resulting from the extensive investment in product development are the voltage booster and the DC-link.

In addition, our network automation products by Novexia play a key role in fast fault recovery and improved reconfiguration of the grid. The range of solutions covers medium-voltage overhead line switches with remote controls; pole-mounted circuit breakers for the protection of low-voltage overhead lines, as well as distribution panels and fault detectors for underground cables.

We know that reliable electricity distribution is a must for the smart grid, which allows customers to take part in the electricity market through a two-way flow of energy and information.

Electric vehicle charging technology

The Ensto electric vehicle charging solutions have attracted attention not only for their easy installation and flawless performance, but also for their stylish design. Our solutions range from feeless regular charging, to fast charging for a fee.

We provide convenient equipment for demanding outdoor environments, these are:

  • Designed for different urban areas
  • Durable, easy-to-clean stainless steel construction
  • Vandal resistant
  • Equipped with several active and passive safety features
  • Equipped with tri-color LED lights to show the charging status

The flexibility of Ensto EV charging technology means that it will be easy to deploy various payment modes, monitoring applications, and GPS solutions where needed, making electric mobility a natural part of smart grids.

Worldwide production and in-house laboratories

We have production in seven countries: Estonia, Finland, France, India, Italy, Russia and Spain. In these locations, there are several manufacturing technologies in-house. To meet the expectations of our customers, we have a focus on ensuring efficient, well-organised and sustainable operations.

Developing our own products is at the core of what we do. In our fully-equipped and calibrated testing laboratories in five countries, we test our products beyond the standard requirements; all our products are type-tested.

The laboratories also feature excellent training facilities for the education of our customers, partners and staff. For certification testing, we use well-known external laboratories and also participate in the EN standardisation.

Environmentally friendly products with minimal carbon footprint

Ensto is an international clean-tech company of Finnish origin, specialising in electrical systems and supplies for the distribution of electrical power and applications. We are committed to lasting and sustainable development.

Our goal is to be the world’s leading company in energy efficiency and distribution. Our products are environmentally friendly and leave a minimal carbon footprint.

White Papers

  • Ensto Today: Stakeholder Magazine 2013

    When you take a thorough look at electricity as a form of energy, you quite clearly see that it is an enabler of sustainability, and a source of many positive things in our lives. Without electricity there is no modern civilisation.

  • Sustainability at Ensto: a Summary

    The mega-trends that influence the world economically and politically, and the strong impact coming from public opinion, are increasingly calling for sustainable development.


  • Ensto SLIW 50

    Ensto SLIW 50 is a revolutionary series of insulating piercing connectors for low voltage overhead line networks. It fulfills the requirements of the new EN50483 standard.

  • Ensto Products

    Invest in quality and save on total costs. Ensto products are tested to last for decades.

Press Releases

  • Ensto Pro brings expertise and inspiration to network building professionals

    Professionalism, partnership and sustainable development are elements that make each Ensto Pro training course a unique event. This is well-known in AEL, which has experience of over 20 years of cooperation between education and working life with Ensto. Ensto offers customised training to its customers in all of the company's market areas using the customer's language. It is based on a co-developed training concept that has no equal.

  • Modern Accessories Speed-Up Transition to Cold Shrink

    Today, the vast majority of joints and terminations for underground cables could be installed faster and easier by using cold shrink technology. But heat shrink has its place in harsh environment and extreme conditions.

  • Thoroughly Tested Products Count for Higher ROI

    Energy companies are expanding their electricity networks while striving for improved reliability and cost control. The quality of accessories and devices has a great impact on how they succeed.

  • The Electricity Distribution Network is Gearing up to Serve New Needs

    Even if the capacity of electricity distribution network is high in many countries, the quality of the electricity needs increasing attention. The network load is constantly increasing, as is the number of interference sources connected, and there are also more and more delicate devices that are easily damaged.

  • It's Time to Plan Charging Network for Electric Vehicles

    The decreasing of carbon dioxide and particle emissions caused by traffic is a clear motive for the introduction of electric vehicles. Electric vehicles also form a part of the intelligent network with their electricity-storage function, especially when intelligently charged.

  • A New Product Ensures Higher Quality Electricity

    In many countries, insufficient investments have been made in electricity networks. The consequences are now visible: increased electricity consumption stretches the old networks to their limits, which leads to lower voltages and poor quality of electricity. Ensto's Voltage Booster offers a solution for these problems.

  • Ensto Pro Training Equals Quality Customer Service

    In addition to high-quality accessories, Ensto is known for technical training to its customers. Due to long international experience and local presence, the extensive training is offered in a variety of languages. Ensto Pro is the countrywide training concept that is targeted to customers, partners and own personnel.

  • New Sustainability Report from Ensto

    Ensto has published its new sustainability report. The company has selected to report according the GRI (Global Reporting Initiative), which is the most common way of reporting in the EU area. The report covers the level-C reporting.

  • Ensto SLIW 50 Connector Family

    As one of the leading companies in insulation piercing technology, we have launched the SLIW 50 family, a new generation of connectors for low voltage overhead line distribution networks. The family is the first watertight, low voltage connector series, designed and tested according to the new EN50483 standard.

  • Ensto Underground Cold Shrink

    Ensto Underground Solutions have been extended to cover cold shrink products. Now we offer both heat and cold shrink joints and terminations as well as hybrid joints.

Ensto Finland Oy
Ensio Miettisen katu 2
06100 Porvoo

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