![]() ![]() This is a kind of switch between the main grid and the micro grid, that enables the micro grid even to function autonomously in the event of a failure of the main grid.ġ. An intermediate layer between main and mini grids offers a solution. The exchange of data between mini grids and the main grid has many privacy aspects, especially if the grid operator can influence what goes on 'behind the meter'. An automated monitoring and control system is a necessary enabler here. This may also include signals to households to charge or discharge batteries, turn on the boiler, postpone charging the car or stop the production of energy. In this case we speak of a smart grid: The management of energy production in large-scale power stations (including wind and solar parks) will then take place in conjunction with the regulation of the inflow and outflow of electricity from the main grid to the mini grids. Therefore, the next step is for main and mini grids to communicate with each other. Otherwise, there are times when the main grid benefits from supplying back locally generated power. Own storage capacity is part of the solution and creates a mini grid that significantly reduces the need to supply back. Most prosumers supply an average of 65% of the generated electricity back to the main grid. This book can here be downloaded for free. ![]() The book Promoting Digital Innovations to Advance Clean Energy System (2018) is an excellent overview of these developments. In 2016, approximately $47 billion was spent worldwide on infrastructure and software to make the electricity system more flexible, integrate renewable energy and better serve customers. This new structure is at the forefront of development. Together, these will ensure a stable system in which much more electricity is used than today. Now that many consumers have also become producers ('prosumers') and solar meadows and wind farms are being developed in many places in addition to the usual power plants, the network structure of the future must be decentralized. From centralized to decentralized electricity supplyĮlectricity infrastructure around the world is designed for centralized electricity generation, characterized by one-way traffic from producer to consumer. Smart grids have more to do with digitization than with extra cables. *A smart grid is an energy system in which PV panels, electric cars, heat pumps, household appliances, large but also small-scale storage systems and substations are intelligently connected.*However, more attention to energy storage is desperately needed too and high-voltage grid reinforcement will also be inevitable locally. A better alternative is the construction of smart grids this is what this article is about. The least elegant solution here is curtailment which means that the capacity of all solar meadows and wind farms is only used for 70%. The second is large-scale storage of electricity, both for the short and the long term. The first is to increase the capacity of the high-voltage grid. There are three ways to solve this problem. Many requests for the large-scale generation of solar energy are waiting for a license because the electricity grid in large parts of the Netherlands is overloaded. In that case, thanks to the ‘salderingsregeling’, the electricity company pays back the full amount and also has to pay(!) companies that buy electricity at that time!Īnd now? Now the government suffers the consequences and is limiting the growth in the number of solar panels. In fact, when there is more supply than demand for electricity on the grid, the wholesale price of electricity is negative. This includes the costs of the aforementioned (tax) facilities and subsidies, as well as the billions in investments in grid reinforcement resulting from the large-scale (re)delivery to the grid of decentral generated energy. So far, no audit office has checked what the government pays for a kilowatt hour of electricity that citizens produce on their roofs. Most citizens are very satisfied with solar panels and their impact on the energy bill. Favorable tax facilities have been created and a generous so-called ‘salderingsregeling’ has been set up, and with success. The Dutch government has dug deep into its pockets to get citizens and companies to cover their roofs with solar panels and to encourage the construction of solar meadows. Based on this theme, both the role of digital technology and the relationship between digital and social innovation will be illustrated. The 20th episode of the Better Cities - The contribution of digital technology-series is about electrification, as part of climate adaptation. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |