City grids1/28/2024 ![]() “The smart grid, or transitional modernisation of electrical grids with a view to setting up the smart grid, is essential for safe, dependable integration of renewable sources, a non-programmable energy source, in our electricity grids. “The evolution of our cities towards increasingly smart models must necessarily rely on technological infrastructure for efficient management of energy resources on an urban and territorial scale,” reflects Giuliano Dall'Ò, professor of Building Physics and Building Energy Systems at Politecnico di Milano, architect and author, in an interview with Infra Journal. Like any revolution worthy of the name, smart grids have led to a cascade of changes to the physical places where they are set up: cities, homes, the transportation system. Italy is leading the way in the birth and development of smart grids, thanks in particular to Enel, which became the world’s first company to begin installing smart meters back in 1999. In smart grids, on the other hand, there is exchange in multiple directions, involving customers in storage of the energy generated by their photovoltaic or wind installations. A true revolution, considering that the previous system was entirely one-way (tree-shaped), from producer to end user. Those who have photovoltaic installations can contribute to the grid energy produced in excess of the requirements of the households or homes served by the system. And the smart grid permits management of energy deficits and surpluses, taking full advantage of their potential.ĭata and energy can be stored, processed and managed at any point in the grid. Renewable energy sources are, by definition, not programmable sources of energy. They identify faults and consumption peaks and measure the “degree” of energy that circulates and is generated at each point in the grid.īut what is a smart grid really for? Its purpose is not only supplying the end user but laying the foundations for development of a new 100% ecological form of energy. ![]() ![]() These grids communicate with one another at all points, optimising use of resources and reduction of waste. The smart grid is, in fact, a series of “informed” energy distribution grids that optimise transmission of electricity, so that it becomes decentralised in relation to the power plants where it is produced. This evolution, which will bring energy through power lines, trellises, substations, cables and metres to our homes and factories, is the offspring of the Internet and the green economy. And of all-Italian ingenuity that started with smart metres and went on digitalise the grid and export this new model to the world. The electricity grid has become smart and ecological, opening up the way to a new world in our cities that will revolutionise the way we live.
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