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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 ÷ Retrofit 3

190

284

167

167

167

167

1141

Retrofit 4 and Retrofit 5

38

57

33

33

33

33

228