Our key tasks

We are primarily tasked with providing power transmission services, system services and facilitating the energy market. Our core tasks follow from our appointment as grid operator under the Dutch 'Elektriciteitswet' (E-wet) and the German 'Energiewirtschaftsgesetz' (EnWG).

 

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Innovation

TenneT presents Hub and Spoke concept for large scale wind energy on the North Sea.

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Our grid

TenneT manages the high-voltage grid in the Netherlands and large parts of Germany. TenneT transmits electricity at 110,000 volts (110 kV) and higher. With over 22,000 kilometres of high-voltage lines, we cross borders and connect countries.

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Grid maps

Maps of our onshore and offshore high-voltage grid.

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Electricity market

The energy sector is developing rapidly. The process of European market integration began some years ago. Its purpose is to create a single European market that enables market parties to trade gas and electricity across national borders easily and efficiently.

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Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

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Learning from incidents

Everyone will agree that lessons can be learnt from an accident. But first we need to know what has happened and why it happened. In short: a thorough investigation needs to be conducted.

Tripod Beta

TenneT has decided that from now on all accidents leading to treatment by a doctor, alternative work, absence, or death, will be investigated using the Tripod Beta method. This also applies to near misses, i.e. incidents which under slightly different circumstances might have resulted in one or more fatalities.

Tripod Beta is a method for accident investigation which involves an analysis of the chain of events which led to the accident. It also involves taking stock of the barriers implemented by the organization to prevent such an accident from happening, and the factors which directly and indirectly caused these barriers to fail. Tripod Beta is based on James Reason’s Swiss cheese model – an accident causation model which is well-known among safety experts.

TenneT asks its suppliers to use an accident investigation method which allows the investigator to identify the immediate and underlying causes. A list of methods which we consider suitable for this can be found via the link below. Yet in our opinion it will be even better to use Tripod Beta, like we do. TenneT has trained its SHE advisors in the use of this method. We are always willing to help our suppliers with investigations using Tripod Beta. If you would like to increase your own organization’s expertise with regard to Tripod Beta, you can do this via one of the recognized training institutes in this field.

A better understanding of the causes of an accident will allow us to take more effective measures. If we know the underlying causes, we can implement better strategies to prevent accidents in the future.

Download

Approved methods for SHE incident investigation (218 KB, pdf, 03/22/2017)

Approved methods for SHE incident investigation Download Download
Tripod example (27 KB, pdf, 03/27/2017)

Tripod example Download Download
Tripod example attachement (515 KB, jpg, 03/24/2017)

Tripod example attachement Download Download

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Related

SHE requirements

TenneT has incorporated safety requirements into the procurement process. Read about it here and download the requirements.

Contractor Management

Contractor management is a key element of our Safety Vision 2018. We want everyone working for TenneT to return home safely at the end of each day. TenneT wants to contract top safety performers to contribute to our projects. We are looking for contractors who take safety just as seriously as we do, and who apply the highest safety standards when performing their work.

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Life-Saving Rules

TenneT applies six Life-Saving Rules. These rules are intended to prevent fatal accidents, and are based on the safety standards applicable in the petrochemical industry and a careful analysis of past high-risk incidents at TenneT. TenneT employees or personnel working for our (sub)contractors should never feel pressured to risk their lives for the sake of the company. The six Life-Saving Rules empower employees to say 'No' and stop the work in any situation where a Rule applies.

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