Half-yearly financial Report at June 30, 2013 - A2A

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Half-yearly financial report at June 30, 2013Innovation, development and researchentitled NextGenBioWaste – Innovative Demonstration for the Next Generation of Biomassand Waste combustion plants for energy recovery and renewable electricity production),testing began in June 2011 and continued in 2012 and the first half of 2013 on optimizing theselective non-catalytic reduction (SNCR) system with which the plant has been equippedsince it entered service. An air nozzle has been installed on line 3 to inject ammonia solutioninto the combustion chamber for checking the possibility of replacing the present waterinjection system to obtain better nebulization and hence a more effective reaction of theammonia for reducing nitrogen oxides (NOx). An air nozzle model was tested in 2012 withresults that were not fully positive and more detailed tests are therefore currently taking placeto investigate other solutions.Main electricty distribution innovation projectsA2A Reti Elettriche Sp.A. has in progress a series of projects aimed at developing thedistribution network:• INTEGRIS projectThis is a project co-financed by the European Commission as part of the SeventhFramework Programme. INTEGRIS is concerned with ICT issues, in particular those of atelecommunications nature, and automation issues closer to the world of electricitydistribution for the building of “hybrid” infrastructure capable of enabling variouscommunication technologies (broadband power lines on low-voltage and mediumvoltagenetworks, wi-fi, optic fiber) to interact effectively. The project has additionallytested the application of innovative functionalities that are fundamental for the electricitygrid, such as:a) the installation of new wireless sensors for second cabin monitoring and sensors formonitoring the quality of the voltage on the low-voltage network;b) new evolved electronic meters through which enables not only the commercialaspects to be managed but also the technical parameters of the most peripheral partsof the grid to be monitored;c) the decentralization of grid management functions, addressing in particular the lowvoltagegrid, which given the development of widespread generation from renewablesources is gradually assuming an increasingly important role in the distributionframework.Of particular importance is the Demonstrator built by A2A Reti Elettriche S.p.A. in Italy onthe Brescia distribution grid, including a SCADA system based on IEC 61850 and a NetworkManagement System which monitors the status of the efficiency of the ICT infrastructure,as well as the installations in the field which include fifteen or so secondary cabins, variouslow-tension lines and several dozen users/producers (photovoltaic) equipped withelectronic meters.241
Half-yearly financial report at June 30, 2013Innovation, development and research242• Smart Grid projectA2A has Smart Grid projects in progress approved by the AEEG as part of Resolution no.ARG/elt 39/10.These projects, one for a primary cabin in Milan (Lambrate) and the other for a primarycabin in Brescia (Gavardo), with different underlying grid features, have been set up inorder to improve voltage regulation by regulating the reactive energy produced byDispersed Generation (GD); to implement innovative automation in the management ofthe medium-voltage grid by improving the selectivity of the protection system; and toactivate and test information exchange functionalities between the distribution networkand the transmission network for an optimal management of the GD (distributed dispatch- Virtual Power Plant, etc.).• Smart DomoGrid projectSmartDomoGrid is a research project co-financed by the Ministry for EconomicDevelopment and arises out of the joint effort of A2A S.p.A., the Energy Department of theMilan Polytechnic and Whirlpool S.p.A.. The aim of this project is to improve the quality ofthe service by introducing innovative technologies and functionalities:– Demand Response schemes for reducing grid overloading and increasing servicecontinuity without having to resort to the use of structural intervention;– the installation of power electronic systems distributed across the grid and located atthe user to improve the quality of the voltage.In particular, Demand Response functionalities envisage that the tariff charged to the usershould vary more frequently than at present (variations on an hourly basis). The customerwill be equipped with a Domestic Energy Management System (DEMS), which on the basisof the tariff, total usage at his residence, the back-up load status and local production willplan the working cycles of certain controllable household appliances such as washingmachines and dishwashers.• EccoFlow European projectEccoFlow is a research project co-financed by the European Commission as part of theSeventh Framework Programme which consists of the design, installation and testing ofSuperconducting Fault Current Limiters (SFCLs) for application in medium-voltagedistribution grids, having the aim of limiting the fault currents which arise in electricitysystems as the result of breakdowns or damage by third parties in order to reduce thedemand on the components, avoid any further damage and improve the technical qualityof the service.In parallel with this project A2A has already installed a 250 A SFLC device on a 9kV mediumvoltageline at its San Dionigi plant.It is recalled that the COMOS project for the inertization of fly ash set up by the University ofBrescia and the project for soundproofing compressors used in the city of Milan to collectglass and paper were brought to a successful conclusion during the previous year.
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Half-yearly financial Report at June 30, 2013 - A2A

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