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Table 26 Use of energy sources and savings in each scenario, per year

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

Scenario

THE kWh

EE kWh

Gas m3

Gas cost

EE cost

Cost

Income

Saving

Present State

78,751

6890

8119

7307

1378

8685

0

---

Retrofit 1

36,201

6890

3732

3359

1378

4737

0

3948

Retrofit 2

23,801

6890

2454

2208

1378

3586

0

5098

Retrofit 3

414

8413

43

38

1683

1721

0

6964

Retrofit 4

414

7500

43

38

1500

1538

0

7146

Retrofit 5

415

5619

43

39

1124

1162

16

7523