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The main aim of CREATE is to develop and demonstrate a heat battery, i.e. an advanced thermal storage system based on Thermo-Chemical Materials (TCMs), that enables economically affordable, compact and loss-free storage of heat in existing buildings.

The CREATE technology is a compact thermal energy storage system for the buildings sector. It will be the game changer in the transformation of our existing building stock towards near-zero energy buildings. The project will release the full potential of renewable energy by enabling effective integration of heat storage into Europe’s building stock.

Objectives

The buildings sector accounts for the largest share of energy consumption (Europe wide approx. 37%). As two third of the building stock in 2050 is made up of currently existing buildings, the solution should be realized with the current building stock. The CREATE project aims to tackle this challenge by developing a compact heat storage module. This “heat battery” allows for better use of available renewable energy sources in two ways:

Objective 1

Considering that solar and wind energy are abundant, but inconsistently available, proper use requires storage to bridge the gap between supply and demand, i.e. the intermittent nature of renewables.

Objective 2

Heat storage can also increase the efficiency in the energy grid by converting electricity peaks into stored heat to be used later. In this way heat storage increases the energy grid flexibility (e.g. the seamless exchange of energy in different forms, giving options for tradability and economic benefits). Heat storage is therefore considered an indispensable element to facilitate flexibility in the energy grid.

The heat battery targets three breakthrough elements

Economical affordability

for the existing building stock we will reach at least a reduction of 15% of the net energy consumption with a potential Return-On-Investment shorter than 10 years

Compactness

novel high-density materials will be used in order to limit the use of the available space to a maximum of 2.5 m3 thermochemical material

No heat losses during storage

this is an intrinsic material property of thermochemical storage technology, thereby enabling long-term storage

CREATE will target the following sub-objectives

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