RTE rationalises the use of its existing infrastructure in order to improve grid performance, to prolong grid service life, to lower costs and to minimise its effects on the environment. While making sure that it is equipped to do so. For example withproject OLLA(Overhead Lines Lifespan Assessment), Contact online >>
RTE rationalises the use of its existing infrastructure in order to improve grid performance, to prolong grid service life, to lower costs and to minimise its effects on the environment. While making sure that it is equipped to do so. For example withproject OLLA(Overhead Lines Lifespan Assessment), RTE is able to estimate the level of damage of overhead power lines conductors, and thus determine when is the righttime to replace them. As a result, RTE is able to ensure the reliability of its infrastructures ata lower cost.
More than 4 000 RTE workers (half of its workforce) are constantly being called upon to identify potential failures and repair any faults. Night and day, in stormy or freezing weather conditions and even on Christmas day, our 170 maintenance teams – spread across the entire country – respond incredibly quickly to restore power as swiftly as they can.
Proud of their role as providers of a public service, these women and men have built up a unique set of maintenance skills for working on live equipment: they repair equipment without de-energising it and without depriving anyone of electrical current. The storm for which the winter of 1999-2000 will be remembered involved them in a huge mechanical upgrade project that lasted for 15 years.
Increasing use of renewables; unequal distribution of generation and consumption areas; average age of equipment (50 years): the transmission system is facing challenges from all sides, thereby requiring major changes.
RTE is in the front line when it comes to fighting climate change. Increasingly violent storms, floods and heatwaves are threatening the grid, which has to become more resilient in order to maintain security of supply. In addition, RTE is actively involved in the integration of renewables whilst also doing its utmost to reduce its infrastructure''s footprint on biodiversity and the landscape.
A new set of tools, largely digital, is being used to rationalise the way in which the grid is operated. More flexible systems such as virtual "RINGO" lines are being developed to provide round-the-clock access to high-quality and affordable electricity.
La transition énergétique : comment assurer l''alimentation électrique de tous alors que certains moyens de production sont intermittents ? (éolien, photovoltaïque, etc.)
SmartGrids rely on digital tools to rationalise the use of existing infrastructure, to combine economic logic with technical challenges, and to get the best out of Europe''s energy mix.
RTE is investing in Research & Development to design new tools and software for enhancing the efficiency of the electricity market and for making the power system smarter. The company is also supporting a number of pilot projects that will help SmartGrids move from the trial phase to large-scale roll-out by working not only alongside all players in Europe''s power system but also alongside new partners from the digital world.
By comparing the amounts being considered for investment with the power output of each country, the amounts being committed to France''s ten-year network development plan (SDDR) lie firmly within the bottom end of the range: France is one of the countries that will need to invest the least.
Audience measurement services are used in order to generate visitor frequency statistics for improving the website. We use third-party Matomo trackers to anonymously measure our website''s audience.
Data driven is a third party service that allows RTE to gather statistics on candidates journeys on its website. It also allows RTE to evaluate the efficiency of the services provided by its recruitment partners.
Changing the energy mix is essential if we want to generate carbon-free electricity. However, it also poses other problems: the intermittent nature of renewables, their unequal geographical distribution and new uses of electrical power. RTE''s challenge is to accommodate these new means of power generation and consumption.
While the increasing use of renewables is essential for generating carbon-free electricity, it also raises new issues: the intermittent nature of renewables, their unequal geographical distribution and new uses of electrical power.
In order to effectively accommodate these new means of power generation and consumption, RTE must come up with flexible solutions. These will enable it to maintain security of supply as well as electrical solidarity both in France and across Europe, whilst at the same time helping to meet the targets set for reducing greenhouse-gas emissions.
RTE''s challenge is therefore to upgrade its grid, enabling it to integrate a growing proportion of renewables while at the same time maintaining the same quality of supply and electrical solidarity across the regions.
The power generated by wind and solar facilities varies with the seasons and even within the course of a single day. The transmission system must become more flexible in order to cope with this variability.
The whole challenge entails rationalising power flows when solar and wind farms are generating at maximum capacity and conversely, offsetting their intermittence when their output drops. RTE is developing new flexibility mechanisms for the power system: demand-side response, storage solutions and adjustments to the grid. Some concrete examples are given below.
These high and ultra-high-voltage substations can accommodate up to 30% more electricity from renewable energy sources. Fitted with optical fibres and sensors, they monitor real-time power flows and gather the data required for dynamically controlling the power system.
These substations are a world first and the result of a joint venture between RTE, major manufacturing companies (Alstom, ENEDIS, Schneider Electric, Alcatel Lucent) and the Neelogy start-up company, which developed the current-monitoring technology with the support of ADEME.
RTE is piloting a system of software-controlled batteries known as RINGO. The first battery absorbs the excess local renewable-energy output, which is simultaneously released by another battery located in an area that needs it.
With its 10 MW of storage capacity, tantamount to the output of 5 wind turbines, Ringo helps to prevent losses of renewable power and to curtail the construction of power lines.
Accommodating new energy sources within the new energy mix means having to consider their specific geographical location. Wind and solar resources are not necessarily located near high-consumption areas or near the existing grid, thus requiring new connections. Additionally, their output seldom matches local needs, meaning that excess power has to be routed to high-consumption areas (not only in France) whilst conversely, power deficits have to bridged.
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