M. Masera, L.Debarberis and G.Fulli European Commission - Joint Research Centre Institute for Energy and Transport Abstract
The demand of electricity will grow in the next decades and the share of RES will increase significantly. Several technical issues need to be addressed in order to realise such plan; in particular infrastructural upgrades regarding transmission and distribution grids and the management of the RES variability by back-up and storage facilities.
Besides hydro-pumped, storage solutions coupled with demand management have huge potential. In particular, storage options based on a bottom-up approach consisting of distributed storage at final consumers location and partly at distribution level and a minimum at transmission level near to RES parks are promising solutions.
The local storage at individual households will offer already today significant advantages contributing the peak shaving, avoiding some back-up production and centralised energy storage and increasing security of supply. Distribute storage could be seen as a step towards a real deployment of the future distribution SmartGrids concept as well as supporting future electrification of vehicles.
The presentation will discuss the advantages of storage and demand management versus back up, and the characteristics of distributed storage in the perspective of the European Union.
As a conclusion, it will be discuss how there is a need to develop and prepare the energy infrastructure of the EU to allow for the required growth and to integrate more RES sources according to the challenging targets and desired scenario for 2050. Huge infrastructural upgrades regarding the transmission and distribution grids and the management of the RES variability by back-up and storage facilities are required.
The required capacities and the advantages of storage solutions instead of new back-up facilities are evaluated and discussed in this report as an attempt to dimension the global system. The option for storage following a combination of centralised and decentralised systems is discussed. Local storage at households appear the most interesting ready option; the households sector will de facto be leading the growth of the demand. The local storage at individual households will offer already today significant advantages contributing the peak shaving, avoiding some back-up production and centralised energy storage and increasing security of supply. It will also support progressive electrification of vehicles.
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