10. All states shall accelerate R&D of HVDC electric grids, energy storage, and Demand System Management

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Rapporteur: Michel Duguay 17 June 2019

In North America, as well as in Europe, the price of electricity from wind turbines and from photovoltaic panels is now low enough to compete with electricity produced by conventional power plants based on burning coal or natural gas. At least two problems, however, must be tackled in order to make renewable power large enough to alleviate the climate change issue. The first one is storage. The wind does not always blow with enough strength and the electrical output of solar panels fluctuates with cloud coverage. The second problem is the need to transmit electric power from power-rich regions to power-poor ones while at the same time maintaining grid power reliability and frequency stability.

The renewable power fluctuation problem is being alleviated by the recent development of high capacity batteries for electric cars and for buildings. The idea is that cars are parked during a good part of the day and that we could keep them connected to the electric power grid while parked. When the power grid has excess electricity it could store it in the electric car and building batteries. When the power grid faces a very high demand for electric power it could go and fetch electrical energy stored in the building and car batteries. Computers would be used to smoothly manage this exchange of electric power.

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