Annual Report 2010 - Enel.com

Operations
Net electricity generation
Millions of kWh
2010 2009 2010-2009
Italy:
Hydroelectric 6,435 6,231 204 3.3%
Geothermal 5,029 5,001 28 0.6%
Wind 722 499 223 44.7%
Other resources 1 2 (1) -50.0%
Total net generation in Italy
International:
12,187 11,733 454 3.9%
Hydroelectric 4,635 4,458 177 4.0%
Geothermal 248 155 93 60.0%
Wind 4,204 2,291 1,913 83.5%
Other resources 560 292 268 91.8%
Total net generation abroad 9,647 7,196 2,451 34.1%
TOTAL 21,834 18,929 2,905 15.3%
Net electricity generation in 2010 increased by 2,905 million
kWh (up 15.3%) to reach 21,834 million kWh. The
increase is attributable to a rise of 2,451 million kWh in
generation abroad, where wind output benefited from
the change in the scope of consolidation within the Division
attributable to Enel Green Power España, the start-up
of the Codesas II, Valdesanmario and Pena del Gato wind
farms in Spain, as well as increased generation by the
Smoky II and Snyder wind farms, both in the United States.
An additional factor was greater hydroelectric generation,
Net efficient generation capacity
MW
thanks to improved water availability, and the increase in
geothermal generation as a result of the full operation
of the facilities at Still Water and Salt Wells in the United
States.
Net electricity generation in Italy increased by 454 million
kWh in 2010, up 3.9% compared with the previous year,
mainly due to the increase in wind and hydroelectric generation,
with the latter attributable to better water conditions,
especially in the final months of 2010.
at Dec. 31,
2010
at Dec. 31,
2009 2010-2009
Italy:
Hydroelectric plants 1,509 1,509 - -
Geothermal plants 728 695 33 4.7%
Wind plants 532 429 103 24.0%
Other resources 6 4 2 50.0%
Total net efficient capacity in Italy
International:
2,775 2,637 138 5.2%
Hydroelectric plants 1,030 995 35 3.5%
Geothermal plants 47 47 - -
Wind plants (1) 2,122 1,081 1,041 96.3%
Other resources 128 48 80 166.7%
Total net efficient capacity abroad 3,327 2,171 1,156 53.2%
TOTAL 6,102 4,808 1,294 26.9%
(1) Of which 42 MW regarding units classified as “held for sale” at December 31, 2010.
107