Key facts
RA – Reasonable assurance provided by the independent assurance provider
LA – Limited assurance provided by the independent assurance provider

| Electricity sales and revenue |
2011 |
2010 |
2009 |
2008 |
2007 |
| Sales within South Africa (GWh) |
211 150 |
205 364 |
202 202 |
210 458 |
204 531 |
| International sales (GWh) |
13 296 |
13 227 |
12 648 |
13 908 |
13 589 |
| Total sales (GWh) |
224 446 |
218 591 |
214 850 |
224 366 |
218 120 |
| Growth in GWh sales (%) |
2.7 |
1,7 |
(4,2) |
2,9 |
4,9 |
| Revenue within South Africa (Rm) |
86 358 |
66 970 |
50 766 |
41 585 |
37 874 |
| International revenue (Rm) |
4 127 |
2 972 |
2 334 |
1 971 |
1 515 |
| Total revenue (Rm) |
90 485 |
69 942 |
53 100 |
43 556 |
39 389 |
| Growth in revenue (%) |
29.4 |
31,7 |
21,9 |
10,6 |
11,4 |
| Customers (number) |
4 653 750 |
4 463 301 |
4 361 007 |
4 152 312 |
3 963 164 |
| Peak demand (MW) |
36 664 |
35 850 |
35 959 |
36 513 |
34 807 |

| Electricity production by own stations and electricity purchased by Eskom |
2011 |
2010 |
2009 |
2008 |
2007 |
| Coal-fired (GWh) |
220219 |
215940 |
211941 |
222908 |
215211 |
| Hydro-electric (GWh) |
1 960 |
1 274 |
1 082 |
751 |
2 443 |
| Pumped storage (GWh) |
2 953 |
2 742 |
2 772 |
2 979 |
2 947 |
| Gas turbine (GWh) |
197 |
49 |
143 |
1 153 |
62 |
| Nuclear (GWh) |
12 099 |
12 806 |
13 004 |
11 317 |
11 780 |
| Wind energy (GWh)3 |
2 |
1 |
2 |
1 |
2 |
| Total production (GWh) |
237430 |
232812 |
228944 |
239109 |
232445 |
| Electricity purchased by Eskom |
|
||||
| • Foreign imports (GWh)4 |
13 613 |
10 047 |
9 162 |
10 998 |
10 624 |
| • Local IPP and co-generation, (GWh) |
1 833 |
0 |
0 |
0 |
0 |
| Consumed by Eskom pumped storage |
(3 962) |
(3 695) |
(3 816) |
(4 136) |
(3 937) |
| Net production and import volumes |
248914 |
242871 |
237317 |
246483 |
239991 |
| Reserve margin (including imports) (%) |
14.9 |
16,4 |
10,6 |
5,6 |
7,8 |
| Demand-side management Savings (MW) |
354RA |
372RA |
916RA |
650 |
170 |

| Power station net maximum capacity |
2011 |
2010 |
2009 |
2008 |
2007 |
| Coal-fired (MW) |
34 952 |
34 658 |
34 294 |
33 566 |
33 036 |
| Hydro-electric (MW) |
600 |
600 |
600 |
600 |
600 |
| Pumped storage (MW) |
1 400 |
1 400 |
1 400 |
1 400 |
1 400 |
| Gas turbine (MW) |
2 409 |
2 409 |
2 409 |
1 378 |
925 |
| Nuclear (MW) |
1 830 |
1 800 |
1 800 |
1 800 |
1 800 |
| Wind energy (MW) |
3 |
3 |
3 |
3 |
3 |
| Total production (MW) |
41 194 |
40 870 |
40 506 |
38 747 |
37 764 |
| 1. | Foreign imports include wheeling of electricity. |
| 2. | The megawatts that a station can supply to the grid after taking out the power used by the power station in the generation process. |
| RA |
– Reasonable assurance provided by independent assurance provider. |

| Transmission and distribution equipment |
2011 |
2010 |
2009 |
2008 |
2007 |
| Transmission lines (km) |
28 790 |
28 482 |
28 243 |
28 164 |
27 619 |
| Distribution lines (km) |
46 712 |
46 018 |
45 302 |
44 680 |
44 044 |
| Reticulation lines (km) |
308 899 |
305 151 |
297 783 |
293 424 |
288 040 |
| Underground cables (km) |
11 018 |
10 687 |
10 379 |
9 921 |
8 622 |
| Transformer capacity (MVA) |
|
||||
| • Transmission |
130 005 |
123 990 |
122 860 |
122 180 |
120 745 |
| • Distribution |
102 053 |
99 408 |
96 372 |
93 956 |
90 184 |

| Capacity expansion |
2011 |
2010 |
2009 |
2008 |
2007 |
|
Generation capacity installed and |
315RA |
452RA |
1 770RA |
1 061 |
1 351 |
| Transmission lines installed (km) |
443RA |
600RA |
418RA |
246 |
430 |
| Transmission transformer capacity installed (MVA) |
5 940RA |
1 630RA |
1 255RA |
1 295 |
1 000 |
| Distribution lines installed (km) |
4 773 |
8 392 |
5 439 |
7 319 |
6 984 |
| Distribution transformer capacity installed (MVA) |
2 645 |
3 036 |
2 776 |
3 412 |
2 967 |
| Environmental information |
2011 |
2010 |
2009 |
2008 |
2007 |
| Coal burnt in power stations (Mt) |
124.7 |
122,7 |
121,2 |
125,3 |
119,1 |
| Specific water consumption by power stations (ℓ/kWh sent out) |
1.35RA |
1,34RA |
1,35RA |
1,32 |
1,35 |
| Net raw water consumption (Mℓ) |
327 252 |
316 202 |
323 190 |
322 666 |
313 064 |
| Relative particulate emissions (kg/MWh sent out) |
0.33RA |
0,39RA |
0,27RA |
0,21 |
0,20 |
| Carbon dioxide emissions (CO2) (Mt) |
230.3RA |
224,7RA |
221,7RA |
223,6 |
208,9 |
| Calculated public effective radiation dose (mSv) |
0.0043 |
0,0040 |
0,0045 |
0,0047 |
0,0034 |
| Safety information |
2011 |
2010 |
2009 |
2008 |
2007 |
| Employee fatalities |
6RA |
2RA |
6RA |
17 |
8 |
| Contractor fatalities |
18RA |
14 |
21RA |
12 |
18 |
| Lost-time incident rate |
0.47RA |
0,54RA |
0,50RA |
0,46 |
0,35 |
| Public fatalities |
43 |
41 |
28 |
42 |
41 |

| Developmental initiatives |
2011 |
2010 |
2009 |
2008 |
2007 |
|
B-BBEE attributable spend (Rbn)1 |
41.9RA |
20,8LA |
46,3 |
– |
– |
|
B-BBEE attributable spend (%)1 |
52.3RA |
28,65 |
63,17 |
– |
– |
|
BEE spend |
– |
– |
35 209 |
25 447 |
16 557 |
|
Electrification, homes connected |
149 914 |
149 901 |
112 965 |
168 538 |
152 125 |
|
Corporate social investment (Rm) |
62.3RA |
58,7RA |
79,5RA |
69,8 |
74,7 |
|
Jobs created through capital expansion |
21 197 |
15 707 |
– |
– |
– |
|
Eskom trainees/bursars (pipeline) |
5 283RA |
5 255RA |
5 907 |
5 368 |
5 136 |

| Employees |
2011 |
2010 |
2009 |
2008 |
2007 |
| Employees (number) |
41 778 |
39 222 |
37 857 |
35 404 |
32 674 |
| Training cost (Rm) |
998 |
758 |
823 |
784 |
748 |
| Average total cost per employee R’000 |
452 |
425 |
375 |
313 |
287 |

| Group financial performance | |||||||
| 2011 | 2010 | 2009 | 2008 | 2007 | |||
| Income statement | |||||||
| Earnings before interest and taxes (before profit or loss on embedded derivatives) | Rm | 15 776 | 4 920 | (2 115) | 3 215 | 6 452 | |
| Net profit/(loss) | Rm | 8 356 | 3 620 | (9 668) | (168) | 6 476 | |
| Free funds from operations | Rm | 17 019 | 2 356 | 13 865 | 8 793 | –1 | |
| Electricity revenue per kWh | c/kWh | 40.3 | 31.9 | 24.7 | 19.4 | 18.0 | |
| Electricity operating costs per kWh (including depreciation and amortisation) | c/kWh | 32.8 | 28.2 | 25.9 | 18.6 | 15.6 | |
| Bad debts as % of revenue | % | 0.75 | 0.83 | 1.54 | 1.09 | 0.55 | |
| Interest cover2 | Ratio | 1.54 | 0.86 | (4.38) | 1.20 | 15.19 | |
| Statement of financial position | |||||||
| Total assets | Rm | 328 145 | 246 135 | 199 302 | 166 170 | 143 312 | |
| Total equity | Rm | 87 259 | 70 222 | 59 578 | 61 129 | 58 357 | |
| Return on average assets | % | 2.91 | 1.63 | (5.29) | (0.11) | 4.77 | |
| Return on average equity | % | 10.61 | 5.58 | (16.02) | (0.28) | 11.91 | |
| Average debtor days for Distribution | Days | 22.2 | 22.0 | 20.8 | 19.5 | 19.5 | |
| Average debtor days for Transmission | Days | 16.0 | 16.1 | 18.1 | 16.5 | – | |
| Average coal stock days | Days | 41RA | 37RA | 41LA | 13 | 29 | |
| Cash flow | |||||||
| Net cash from operating activities | Rm | 22 284 | 9 118 | 11 764 | (1 912) | 13 954 | |
| Net cash used in investing activities | Rm | (45 995) | (47 524) | (42 945) | (22 930) | (16 908) | |
| Capex spend (included in investing activities) | Rm | (44 325) | (44 882) | (43 632) | (24 252) | (17 533) | |
| Net cash from financing activities | Rm | 20 330 | 35 500 | 38 871 | 26 193 | 2 267 | |
| Cash and cash equivalents | Rm | 12 087 | 15 541 | 18 382 | 10 893 | 9 542 | |
| Funding | |||||||
| Free funds from operations/total debt | % | 9.56 | 1.92 | 15.89 | 13.98 | –1 | |
| Gross debt/earnings before interest, tax, depreciation and amortisation | Ratio | 8.19 | 9.50 | (13.00) | 10.81 | 3.38 | |
| Working capital ratio | Ratio | 0.87 | 0.91 | 0.78 | 0.85 | 0.67 | |
| Debt:equity ratio | Ratio | 1.62 | 1.62 | 1.22 | 0.40 | 0.14 | |
| Debt service cover ratio | Ratio | 1.97 | 2.53 | 0.75 | 0.68 | 11.43 | |
| 1. | Due to changes in treasury cash flow disclosure, this number is not available. |
| 2. | Operating profit before fair value loss on embedded derivatives and net finance cost)/(net finance cost before unwinding of discount on provisions, change in discount rate and borrowing cost capitalised. (The low debt/equity ratio in 2007 distorts the interest cover ratio.) |
| RA | – Reasonable assurance provided by independent assurance provider. |
| LA | Limited assurance provided by independent assurance provider. |