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Future Cities and Environment
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Table 18 Annual use of electric energy for lighting, kWh

From: Planned energy-efficient retrofitting of a residential building in Italy

Scenario Ap. 1a Ap. 1b Ap. 2a Ap. 2b Ap. 3a Ap. 3b Building
Present State รท Retrofit 3 190 284 167 167 167 167 1141
Retrofit 4 and Retrofit 5 38 57 33 33 33 33 228
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