Fig. 2: Energy Use Intensities (EUI) for the baseline and retrofit scenarios for eight cities. | Nature Communications

Fig. 2: Energy Use Intensities (EUI) for the baseline and retrofit scenarios for eight cities.

From: Carbon reduction technology pathways for existing buildings in eight cities

Fig. 2: Energy Use Intensities (EUI) for the baseline and retrofit scenarios for eight cities.The alternative text for this image may have been generated using AI.

A baseline and two additional scenarios are defined for each city, with the colors representing energy use intensities for various end uses. Shallow retrofits naturally lead to smaller reductions in EUI, while deeper retrofits require more capital but often lead to significantly higher EUI reductions. In Braga, the “shallow retrofit” scenario accounts for a warmer climate in 2080; thus, the cooling demand greatly increases, increasing energy use.

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