Output (GWh)

18,105

18,346

18,807

18,943

18,329

Transmission losses (GWh)

353

388

384

403

378

Transmission losses as a ratio of input

1.9%

2.1%

2.0%

2.1%

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Operating revenue

130,470

149,750

162,755

169,251

188,953

Investing activities

87,096

45,052

45,052

63,576

83,081

Investing activities as a ratio of operating revenue

66.8%

59.8%

27.7%

37.6%

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Earnings before interests and taxes (EBIT)

46,577

58,995

55,104

52,685

70,469

EBIT as a ratio of operating revenue

35.7%

39.4%

33.9%

31.1%

General operating cost

33,140

37,056

39,377

44,343

46,510

General operating cost as a ratio of operating revenue

25.4%

24.7%

24.2%

26.2%

24.6%

Profit

27,328

35,575

32,501

25,567

Profit as a ratio of operating revenue

20.9%

23.8%

20.0%

15.1%

22.8%

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Assets

911,438

1,020,176

1,032,350

1,113,574

1,236,166

Equity

404,848

470,558

482,281

507,500

574,944

Liabilities

506,590

549,618

550,069

606,704

661,222

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Return on equity

6.9%

8.1%

6.8%

5.2%

8.0%

Equity ratio

44.4%

46.1%

46.7%

45.6%

46.5%

Current ratio

0.79

0.79

1.11

1.35

1.98

Interest rate coverage ratio

7.18

7.53

6.12

4.75

5.95

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Length of overhead transmission lines (km)

3,088

3,199

3,251

3,262

3,300

Length of underground and sub-sea cables (km)

270

327

361

362

360

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Full - time equivalent positions at year end

137

141

152

157

168