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IssyGrid®, first operational district level smart grid in France

Publication date: 09-06-2011   |   Last update: 09-09-2015   |     |  

Discover IssyGrid®, the first French pilot project for district level energy usage optimisation, created by an Issy-les-Moulineaux city and Bouygues Immobilier initiative.

The first French pilot project for district level energy usage optimisation, IssyGrid® was created by an Issy-Les Moulineaux city and Bouygues Immobilier initiative with the help of stakeholders mastering all strategic and technical skills required for the implementation of a smart grid : Alstom, Bouygues Energie et services, Bouygues Telecom, EDF, ERDF, Microsoft, Schneider Electric, Steria and Total.



This first district level smart grid is a reality.


The initial equipments have been implemented: several office buildings, a hundred homes as well as part of the street lights in the Seine West district are now connected to the smartgrid. 


The goal of this system is to enable the city of Issy-les-Moulineaux and the district's inhabitants to save significant amounts of money by pooling complementary needs and resources of offices, homes and businesses, and by levelling energy consumption peaks.


Fields of application of IssyGrid® will progressively be extended to other sites in town, and even to other energy grids in the Seine West and the Issy fort districts.



Development of IssyGrid® information system

Operational since 2012, this information system covers the consumption of the entire district. Therefore it enables the analysis of energy production and consumption in order to advice and encourage consumers, in partnership with the electricity distribution network, to consume at "the right time" in order to reduce peak demands.



94 homes equipped with smart meters

94 homes of the Seine West district have been equipped with smart meters. These meters, implemented by ERDF (French Network distribution of electricity) in July 2013, gather live data on the global energy consumption of all concerned households. Individual bills will be issued to each home based on actual consumptions. Householders will be able to track their consumption in a better way. Later, most of the maintenance at the client’s premises will be conducted remotely.


Around 20 of these 94 homes are equipped with a measurement and warning meter box, installed by Bouygues Telecom (Internet provider). Consumption analysis will soon be initiated for these homes within the district's data analysis centre. Users will therefore be able to compare their consumption data with those of similar households and get advice on how to consume in a smarter way.



Smart grid in two office buildings ready

After the test building Galeo, the Bouygues Immobilier’s Headquarter, the Sequana Tower occupied by Bouygues Telecom has also been equipped with a building management support system and now participates in the levelling of peak demand. A first "scrubbing" experience was conducted on the 29th July 2013 by modifying the air conditioning system.  Though it was not felt by Bouygues Telecom staff, this first experience alone saved 500 kWh during the peak demand.

It will also be possible to control battery charging speed (slow/fast charge) of 8 electric vehicles, by modifying it according to the electric grid charge and users’ booking schedule.


The EOS building, housing Microsoft and Steria, will also soon be equipped with a building management support system.

Lastly, the Sequana tower is fitted with solar panels, connected to the electric distribution substation. Energy produced by these panels can therefore be stored or redirected to the grid.



Implementation of a smart grid for street lighting

Smart street lights have been installed in three streets of the Seine West district. Thanks to these innovative equipments, street lighting will be adapted to road traffic, time and season. This system will enable Issy-les-Moulineaux to generate substantial savings.



An augmented reality visit "in vivo"

An application for a tablet was designed to enable visitors to visualise in augmented reality the main applications of IssyGrid®. The goal is to allow experts, local authorities, companies and institutions to access on-the-ground data about the main operational features of IssyGrid®.



Deployments to come

Among the next important steps in the months to come, is the installation of the electric distribution station of Bara street which, thanks to data supplied by Issygrid information system, will balance energy consumption, production and storage in connection with the regional office of the grid management agency.  It will become a smart station by integrating a battery based storage solution using recycled batteries from electric vehicles. This experience is a world first.


Four other steps are also scheduled:

- Development of new digital tools enabling creation of new services for energy consumers and producers.

- Integration of additional renewable energy resources: a building permit application will be submitted in the coming weeks for the implementation of solar panels and a weather station on top of the Trieo building.

- Installation of batteries for energy storage in the Trieo building


And finally, progressive integration of the 1600 homes of the Issy Fort’s district within the project IssyGrid®. Equipped with captors and sub-meters, they will, gradually, be connected to the district analysis centre and, as soon as 2014, will be fitted with ERDF smart meters.


Press conference at Issy-les-Moulineaux (September 26th 2013)



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