Electricity: from power station to customer

Electricity flow – from power station to customer

Input		2011	2010	2009
Coal	Mt	124.7	122.7	121.2
Water	ML	327 252	316 202	323 190
Liquid fuels (diesel and kerosene)	ML	63.6^RA	16.1^RA	28.9^LA
Output
Total electricity produced by Eskom	GWh	237 430	232 812	228 944
Total electricity sold	GWh	224 446	218 591	214 850
Carbon dioxide	Mt	230.3^RA	224.7^RA	221.7^RA
Nitrogen oxide (NO_x)	kt	977^RA	959^RA	957^LA
Nitrous oxides	t	2 906	2 825	2 801
Sulphur dioxide	kt	1 810^RA	1 856^RA	1 874^RA
Particulate emissions	kt	75.8^RA	88.2^RA	55.6^RA
Ash produced	Mt	36.2^RA	36.0^RA	36.7^LA
Calculated public effective radiation dose	mSv	0.0043	0.0040	0.0045

RA – Reasonable assurance provided by the independent assurance provider. (Refer here).
LA – Limited assurance provided by the independent assurance provider. (Refer here).

Energy flow

The following diagram illustrates the flow of energy for the year ended 31 March 2011 as well as the comparatives for the year to 31 March 2010.

All numbers in GWh.